Equal section thin-walled bearing

A-type angular contact ball bearings - KAA series feature a 30° contact angle design optimized for combined radial and axial loads, with high-quality steel balls and precision-ground raceways ensuring smooth operation. Available in open and sealed configurations, with bore diameters ranging from 10mm to 200mm. These bearings deliver high rotational speed, excellent axial rigidity, and low vibration levels, making them ideal for machine tool spindles, precision pumps, high-speed motors, and industrial automation equipment.

A-type angular contact ball bearings - KA series feature a 25° contact angle design for optimal combined radial and axial load support, with precision-ground raceways and premium steel balls ensuring smooth, reliable operation. Available in open, shielded, and sealed configurations, with bore diameters ranging from 15mm to 180mm. These bearings deliver low friction, high-speed capability, and excellent axial rigidity, making them ideal for machine tool spindles, servo motors, gearboxes, and precision industrial equipment.

A-type angular contact ball bearings - KB series feature a 40° contact angle design for heavy axial load capacity while maintaining excellent radial support, with robust cage designs and high-grade bearing steel ensuring durability under demanding conditions. Available in single-row and double-row configurations, with bore diameters ranging from 20mm to 220mm. These bearings deliver high load capacity, superior rigidity, and extended service life, making them ideal for heavy-duty machine tool spindles, industrial gearboxes, construction equipment, and high-torque transmission systems.

A-type angular contact ball bearings - KC series feature a 15° contact angle design optimized for high-speed operation and light-to-medium combined loads, with precision-retained cages and thermally stable materials ensuring consistent performance at elevated speeds. Available in open and light-sealed configurations, with bore diameters ranging from 8mm to 150mm. These bearings deliver low heat generation, ultra-smooth rotation, and excellent high-speed stability, making them ideal for high-speed spindles, precision instrumentation, turbochargers, and aerospace auxiliary systems.

A-type angular contact ball bearings - KD series feature a 20° contact angle design providing a balanced solution for medium-speed operations with moderate combined loads, featuring optimized internal geometry and high-performance cage materials for reliable long-term service. Available in single-row and matched pair configurations, with bore diameters ranging from 12mm to 190mm. These bearings deliver smooth operation, low noise levels, and consistent accuracy, making them ideal for precision gearboxes, centrifugal pumps, textile machinery, and general industrial automation equipment.

A-type angular contact ball bearings - KF series feature a 35° contact angle design for superior axial load capacity with moderate radial load support, incorporating heavy-duty cages and specially heat-treated rings to withstand severe operating conditions. Available in single-row and double-row configurations, with bore diameters ranging from 30mm to 280mm. These bearings deliver high axial rigidity, excellent shock resistance, and extended fatigue life, making them ideal for heavy-duty gearboxes, mining and construction equipment, wind turbine drivetrains, and large industrial transmission systems.

A-type angular contact ball bearings - KG series feature a 45° contact angle design for maximum axial load capacity with reduced radial load support, incorporating extra-heavy-duty cages and advanced heat treatment for superior performance in extreme conditions. Available in heavy-duty single-row and double-row configurations, with bore diameters ranging from 40mm to 320mm. These bearings deliver maximum axial rigidity, exceptional shock load tolerance, and ultra-long service life, making them ideal for heavy industrial gearboxes, large mining equipment, marine propulsion systems, and heavy-duty construction machinery.

C-type deep groove ball bearings - KAA series feature a standard deep-groove raceway design for accommodating radial loads as well as moderate axial loads in both directions, with precision steel balls and low-noise cages ensuring smooth, quiet operation. Available in open, shielded, and sealed configurations, with bore diameters ranging from 10mm to 180mm. These bearings deliver low friction, high rotational speeds, and reliable performance, making them ideal for electric motors, pumps, gearboxes, household appliances, and general industrial machinery.

C-type deep groove ball bearings - KA series feature an optimized deep-groove raceway geometry for balanced radial and axial load capacity, with high-grade bearing steel and precision-retained cages ensuring consistent performance across a wide speed range. Available in open, metal-shielded, and rubber-sealed designs, with bore diameters ranging from 12mm to 200mm. These bearings deliver low torque, quiet operation, and extended service life, making them ideal for industrial motors, agricultural machinery, conveyor systems, and automation equipment.

<p><strong>C-type deep groove ball bearings - KB series</strong> feature a reinforced deep-groove raceway design for enhanced radial load capacity while maintaining moderate axial load support in both directions, with heavy-duty cages and optimized internal clearances for demanding applications. Available in <strong>open, metal-shielded, and heavy-duty sealed configurations</strong>, with bore diameters ranging from 15mm to 220mm. These bearings deliver <strong>high radial rigidity, excellent shock load resistance, and dependable long-term performance</strong>, making them ideal for industrial gearboxes, heavy-duty motors, construction equipment, and material handling systems.</p>

C-type deep groove ball bearings - KC series feature a high-speed optimized deep-groove raceway design with precision-retained cages and low-friction internal geometry for elevated speed performance, while maintaining moderate radial and axial load capacity. Available in open, light-shielded, and low-torque sealed configurations, with bore diameters ranging from 8mm to 150mm. These bearings deliver low heat generation, ultra-smooth rotation, and excellent high-speed stability, making them ideal for high-speed motors, precision spindles, dental handpieces, turbochargers, and high-speed automation equipment.

C-type deep groove ball bearings - KD series feature a corrosion-resistant deep-groove raceway design with stainless steel rings and balls, providing reliable performance in moist, chemically exposed, or washdown environments while maintaining moderate radial and axial load capacity. Available in open, shielded, and sealed configurations, with bore diameters ranging from 6mm to 120mm. These bearings deliver excellent corrosion resistance, long service life in harsh conditions, and consistent rotational accuracy, making them ideal for food processing equipment, medical devices, marine applications, chemical pumps, and outdoor automation systems.

C-type deep groove ball bearings - KF series feature a low-noise optimized deep-groove raceway design with precision-honed raceways and high-quality lubricants for ultra-quiet operation, while maintaining reliable radial and moderate axial load capacity. Available in open, shielded, and low-noise sealed configurations, with bore diameters ranging from 5mm to 100mm. These bearings deliver extremely low noise levels, minimal vibration, and smooth rotational performance, making them ideal for household appliances, HVAC systems, office equipment, electric fans, and noise-sensitive automation devices.

C-type deep groove ball bearings - KG series feature a high-temperature optimized deep-groove raceway design with thermally stabilized rings and specialized high-temperature lubricants, delivering reliable performance in elevated thermal environments while maintaining moderate radial and axial load capacity. Available in open, shielded, and high-temp sealed configurations, with bore diameters ranging from 10mm to 160mm. These bearings deliver excellent thermal stability, consistent operation at elevated temperatures, and extended service life in heat-intensive applications, making them ideal for industrial ovens, drying equipment, exhaust fans, heat treatment systems, and high-temperature processing machinery.

X-type four-point contact ball bearings - KAA series feature a specialized raceway design with a single inner ring and split outer ring (or vice versa) allowing the balls to make contact at four points, supporting radial loads and high axial loads in both directions simultaneously. Available in standard and thin-section configurations, with bore diameters ranging from 20mm to 300mm. These bearings deliver high axial load capacity, space-saving compact design, and excellent moment load rigidity, making them ideal for slewing rings, industrial robots, machine tool rotary tables, and material handling equipment.

X-type four-point contact ball bearings - KA series feature an optimized four-point contact raceway geometry with a split inner ring and single outer ring design (or vice versa), allowing compact support of radial loads while accommodating high axial loads in both directions with minimal clearance. Available in standard, thin-section, and heavy-duty configurations, with bore diameters ranging from 25mm to 400mm. These bearings deliver high axial rigidity, compact design, reliable moment load capacity, and reduced system weight, making them ideal for slewing rings, industrial robot joints, crane turntables, packaging machinery, and precision rotary tables.

X-type four-point contact ball bearings - KB series feature a heavy-duty four-point contact raceway design with robust cage construction and premium bearing steel, engineered to support extremely high axial loads while maintaining bidirectional load capability and excellent moment rigidity. Available in single-row and double-row configurations, with bore diameters ranging from 50mm to 600mm. These bearings deliver exceptional axial load capacity, superior shock resistance, enhanced durability under heavy loads, and long maintenance-free service life, making them ideal for large slewing rings, crane turntables, wind turbine pitch/yaw systems, stacker reclaimers, and heavy-duty material handling equipment.

X-type four-point contact ball bearings - KC series feature a high-speed optimized four-point contact raceway design with lightweight cages and precision-balanced internal geometry, delivering reliable axial and radial load support at elevated rotational speeds while maintaining bidirectional load capability. Available in standard and thin-section high-speed configurations, with bore diameters ranging from 20mm to 250mm. These bearings deliver low friction heat generation, high-speed stability, compact design, and excellent positional accuracy, making them ideal for high-speed slewing rings, precision rotary tables, indexing devices, packaging machinery, and high-speed automation equipment.

X-type four-point contact ball bearings - KD series feature a corrosion-resistant four-point contact raceway design with stainless steel rings and balls, engineered to support bidirectional axial loads and moderate radial loads in harsh environments while maintaining reliable moment rigidity. Available in open, shielded, and sealed configurations, with bore diameters ranging from 15mm to 200mm. These bearings deliver excellent corrosion resistance, reliable performance in moist or chemically exposed conditions, and long maintenance-free service life, making them ideal for medical equipment, food processing machinery, marine systems, chemical processing equipment, and outdoor automation applications.

KF series X-type four point contact thin section ball bearing features equal cross section design. It can bear radial load, bidirectional axial load and overturning moment load in compact installation space. Available in chrome steel or stainless steel, multiple precision grades. Widely applied in robotic joints, rotary tables, medical equipment and aerospace machinery, offering stable precision operation.

X-type four-point contact ball bearings - KG series feature an ultra-heavy-duty four-point contact raceway design with reinforced cage construction and oversized rolling elements, engineered to support extreme axial loads and heavy radial loads while maintaining bidirectional load capability and exceptional moment rigidity under the most demanding conditions. Available in heavy-duty single-row and double-row configurations, with bore diameters ranging from 80mm to 800mm. These bearings deliver maximum axial load capacity, superior shock load resistance, extended service life in extreme conditions, and exceptional structural rigidity, making them ideal for large wind turbine main shaft systems, giant excavator slewing rings, offshore crane turntables, heavy steel mill equipment, and ultra-large-scale material handling systems.

C-type deep groove ball bearings - JHA series (double-sided sealing) feature a standard deep-groove raceway design with integrated non-contact rubber seals on both sides, providing effective protection against dust and contaminants while maintaining low friction and high-speed capability. Available in double-sealed configurations only, with bore diameters ranging from 10mm to 160mm. These bearings deliver reliable contamination protection, maintenance-free operation, low torque, and consistent long-term performance, making them ideal for electric motors, automotive components, agricultural machinery, conveyor systems, and general industrial applications where protection from debris is essential.

C-type deep groove ball bearings - JA series (double-sided sealing) feature a standard deep-groove raceway design with integrated contact rubber seals on both sides, providing superior protection against dust, moisture, and contaminants while maintaining moderate speed capability. Available in double-sealed configurations only, with bore diameters ranging from 8mm to 180mm. These bearings deliver effective contamination protection, grease retention, maintenance-free operation, and reliable long-term performance, making them ideal for automotive components, agricultural equipment, conveyor rollers, industrial fans, electric motors, and general machinery applications where reliable sealing is required.

C-type deep groove ball bearings - JB series (double-sided sealing) feature a standard deep-groove raceway design with integrated light-contact rubber seals on both sides, providing effective protection against dust and light moisture while maintaining low friction and higher speed capability compared to heavy-contact seals. Available in double-sealed configurations only, with bore diameters ranging from 8mm to 160mm. These bearings deliver balanced sealing effectiveness, low torque, grease retention, and maintenance-free operation, making them ideal for household appliances, office equipment, small electric motors, power tools, and light-duty industrial applications where moderate protection is required.

JU series C-type thin section deep groove ball bearing adopts constant cross section design. It mainly carries radial load and moderate bidirectional axial load. Equipped with double NBR rubber seals to block dust and contaminants and retain internal grease. It keeps slim profile while maintaining reliable load capacity, widely used in robotic joints, rotary tables, medical instruments and precision automation equipment. Stable and low torque operation for compact space applications.

C-type deep groove ball bearings - JG series (double-sided sealing) feature a standard deep-groove raceway design with integrated high-temperature rubber seals on both sides, engineered to withstand elevated operating temperatures while providing effective dust and contaminant protection. Available in double-sealed configurations only, with bore diameters ranging from 10mm to 150mm. These bearings deliver high-temperature stability, reliable sealing performance, consistent grease retention, and extended service life in heat-intensive applications, making them ideal for industrial ovens, drying equipment, exhaust fans, heat treatment systems, automotive engine components, and high-temperature processing machinery.

X-type four-point contact ball bearings - JHA series (double-sided sealing) feature a four-point contact raceway design with integrated non-contact rubber seals on both sides, supporting bidirectional axial loads while providing effective dust protection and maintaining low friction torque. Available in double-sealed configurations only, with bore diameters ranging from 20mm to 200mm. These bearings deliver compact design, high axial rigidity, low rotational resistance, and maintenance-free operation with contamination protection, making them ideal for industrial robot joints, slewing rings in clean environments, packaging machinery, medical equipment, and precision automation systems where sealing is required without sacrificing speed or efficiency.

X-type four-point contact ball bearings - JA series (double-sided sealing) feature a four-point contact raceway design with integrated contact rubber seals on both sides, supporting bidirectional axial loads while providing superior protection against dust, moisture, and contaminants in demanding environments. Available in double-sealed configurations only, with bore diameters ranging from 20mm to 220mm. These bearings deliver compact design, high axial rigidity, excellent contamination protection, reliable grease retention, and maintenance-free operation, making them ideal for construction equipment slewing rings, agricultural machinery turntables, material handling systems, port machinery, and heavy-duty industrial applications where reliable sealing is essential.

X-type four-point contact ball bearings - JB series (double-sided sealing) feature a four-point contact raceway design with integrated light-contact rubber seals on both sides, supporting bidirectional axial loads while balancing sealing effectiveness with low friction for moderate speed applications. Available in double-sealed configurations only, with bore diameters ranging from 15mm to 200mm. These bearings deliver compact design, high axial rigidity, moderate contamination protection, low torque operation, and maintenance-free performance, making them ideal for packaging machinery, light-duty slewing rings, automated assembly equipment, textile machinery, and precision indexing devices where moderate sealing and smooth rotation are required.

X-type four-point contact ball bearings - JU series (double-sided sealing) feature a four-point contact raceway design with integrated heavy-duty contact rubber seals on both sides, supporting bidirectional axial loads while providing maximum protection against dust, water splashes, and contaminants in the harshest operating environments. Available in double-sealed configurations only, with bore diameters ranging from 30mm to 300mm. These bearings deliver compact design, high axial rigidity, superior sealing effectiveness, excellent moisture resistance, reliable grease retention, and maintenance-free operation in extreme conditions, making them ideal for heavy construction machinery slewing rings, offshore equipment, agricultural machinery, food processing equipment with washdown requirements, port material handling systems, and heavy-duty industrial applications where maximum environmental protection is essential.

X-type four-point contact ball bearings - JG series (double-sided sealing) feature a four-point contact raceway design with integrated high-temperature rubber seals on both sides, supporting bidirectional axial loads while providing reliable sealing performance in elevated temperature environments. Available in double-sealed configurations only, with bore diameters ranging from 20mm to 250mm. These bearings deliver compact design, high axial rigidity, high-temperature sealing stability, consistent grease retention under thermal stress, and maintenance-free operation in heat-intensive applications, making them ideal for industrial oven slewing rings, drying equipment turntables, heat treatment systems, semiconductor manufacturing equipment, exhaust system components, and high-temperature processing machinery where both sealing and thermal resistance are critical.

C-type deep groove ball bearings - 8mm series feature a standard deep-groove raceway design with miniature form factor, precision-engineered for applications requiring compact dimensions and reliable radial load support. Available in open, shielded, and sealed configurations, with a fixed bore diameter of 8mm and a cross-section height of 8mm. These bearings deliver smooth rotation, low noise levels, consistent performance, and extended service life, making them ideal for small electric motors, cooling fans, office automation equipment, power tools, model aircraft, medical devices, and precision instruments where space is constrained and reliable operation is essential.

C-type deep groove ball bearings - 13mm series feature a standard deep-groove raceway design with compact dimensions, precision-engineered for applications requiring moderate load capacity in a miniaturized package. Available in open, shielded, and sealed configurations, with a fixed bore diameter of 13mm and a cross-section height of 13mm. These bearings deliver smooth rotation, low vibration levels, reliable performance, and extended service life, making them ideal for small gearboxes, electric actuators, robotics joints, handheld tools, medical devices, office automation equipment, and precision instrumentation where space efficiency and dependable operation are critical.

C-type deep groove ball bearings - 20mm series feature a standard deep-groove raceway design with balanced dimensions, engineered for applications requiring moderate load capacity with reliable radial and axial load support. Available in open, shielded, and sealed configurations, with a fixed bore diameter of 20mm and a cross-section height of 20mm. These bearings deliver smooth operation, low noise levels, consistent rotational accuracy, and dependable long-term performance, making them ideal for small industrial motors, agricultural equipment, conveyor rollers, automotive components, power tools, and general machinery applications where compact dimensions and reliable operation are essential.

A-type angular contact ball bearings - 8mm series feature a 15° contact angle design in a miniature form factor, precision-engineered for applications requiring compact dimensions combined with high-speed capability and axial load support. Available in open and sealed configurations, with a fixed bore diameter of 8mm and a cross-section height of 8mm. These bearings deliver smooth high-speed rotation, low heat generation, excellent axial rigidity, and consistent precision, making them ideal for dental handpieces, small high-speed motors, miniature spindles, model aircraft, medical instruments, and precision optical devices where space is limited and high rotational accuracy is essential.

A-type angular contact ball bearings - 13mm series feature a 15° contact angle design in a compact form factor, precision-engineered for applications requiring moderate load capacity combined with high-speed capability and reliable axial load support. Available in open and sealed configurations, with a fixed bore diameter of 13mm and a cross-section height of 13mm. These bearings deliver smooth high-speed rotation, low vibration levels, consistent axial rigidity, and extended service life, making them ideal for high-speed miniature motors, small machine tool spindles, robotics joints, medical equipment, optical instruments, and precision automation devices where compact design and rotational accuracy are critical.

A-type angular contact ball bearings - 20mm series feature a 15° contact angle design with balanced dimensions, engineered for applications requiring moderate load capacity combined with high-speed capability and excellent axial load support. Available in open, shielded, and sealed configurations, with a fixed bore diameter of 20mm and a cross-section height of 20mm. These bearings deliver smooth high-speed rotation, low heat generation, consistent axial rigidity, and dependable long-term performance, making them ideal for high-speed spindles, servo motors, industrial robots, precision machine tools, medical equipment, and automation systems where reliable operation and rotational accuracy are essential.

X-type four-point contact ball bearings - 8mm series feature a miniature four-point contact raceway design with a single inner ring and split outer ring configuration, engineered to support bidirectional axial loads and moderate radial loads in an ultra-compact package. Available in open configurations only, with a fixed bore diameter of 8mm and a cross-section height of 8mm. These bearings deliver compact design, high axial rigidity, space-saving installation, and reliable bidirectional load capacity, making them ideal for miniature slewing rings, small robot joints, precision optical mounts, micro-positioning stages, miniature rotary tables, and compact automation equipment where both axial load capacity and space efficiency are critical.

X-type four-point contact ball bearings - 13mm series feature a miniature four-point contact raceway design with optimized internal geometry, engineered to support bidirectional axial loads and moderate radial loads in a compact form factor. Available in open configurations only, with a fixed bore diameter of 13mm and a cross-section height of 13mm. These bearings deliver compact design, high axial rigidity, reliable bidirectional load capacity, and smooth rotational accuracy, making them ideal for small slewing rings, precision robot joints, optical adjustment mechanisms, miniature rotary tables, medical positioning devices, and compact automation systems where efficient use of space and reliable bidirectional load support are essential.

X-type four-point contact ball bearings - 20mm series feature a four-point contact raceway design with balanced dimensions, engineered to support bidirectional axial loads and moderate radial loads in a compact form factor with reliable moment rigidity. Available in open configurations only, with a fixed bore diameter of 20mm and a cross-section height of 20mm. These bearings deliver compact design, high axial rigidity, bidirectional load capacity, smooth rotational accuracy, and dependable long-term performance, making them ideal for precision slewing rings, industrial robot joints, machine tool rotary tables, packaging machinery, medical equipment, and automation systems where space efficiency and reliable bidirectional axial load support are essential.

C-type deep groove ball bearings - 8mm series (double-sided sealed) feature a miniature deep-groove raceway design with integrated non-contact rubber seals on both sides, providing effective dust protection and grease retention in a compact form factor while maintaining low friction and high-speed capability. Available in double-sealed configurations only, with a fixed bore diameter of 8mm and a cross-section height of 8mm. These bearings deliver compact dimensions, smooth low-noise operation, reliable contamination protection, maintenance-free performance, and consistent long-term reliability, making them ideal for small electric motors, cooling fans, office automation equipment, power tools, medical devices, robotics joints, and precision instruments where space is limited and protection against contaminants is required.

X-type four point contact ball bearing of 8mm series is metric thin section bearing with constant 8mm cross section. Equipped with double rubber seals to block dust and retain internal grease. The four-point contact design can bear radial load, bidirectional axial load and overturning moment load simultaneously. It features lightweight and compact structure, widely used in robot joints, rotary tables, medical instruments and precision automation equipment for stable low torque rotary operation.

A-type angular contact ball bearings - 2.5mm series (stainless steel) feature an ultra-miniature 15° contact angle design with martensitic stainless steel rings and balls, engineered for applications requiring extreme space savings combined with corrosion resistance and high-speed capability. Available in open configurations only, with a fixed bore diameter of 2.5mm and a cross-section height of 2.5mm. These bearings deliver ultra-compact dimensions, excellent corrosion resistance, high-speed rotational capability, low torque operation, and reliable performance, making them ideal for micro-motors, miniature medical devices, dental handpieces, micro-robotics, precision optical instruments, implantable devices, and micro-sensor systems where both miniaturization and corrosion resistance are critical.

C-type deep groove ball bearings - 2.5mm series (stainless steel) feature an ultra-miniature deep-groove raceway design with martensitic stainless steel rings and balls, engineered for applications requiring extreme space savings combined with corrosion resistance and reliable radial load support. Available in open configurations only, with a fixed bore diameter of 2.5mm and a cross-section height of 2.5mm. These bearings deliver ultra-compact dimensions, excellent corrosion resistance, smooth rotation, low noise levels, and dependable long-term performance, making them ideal for micro-motors, miniature medical devices, dental handpieces, micro-robotics, precision optical instruments, implantable devices, micro-sensor systems, and miniature actuators where both miniaturization and corrosion resistance are essential.

X-type four-point contact ball bearings - 2.5mm series (stainless steel) feature an ultra-miniature four-point contact raceway design with martensitic stainless steel rings and balls, engineered to support bidirectional axial loads in extreme space-constrained environments while providing corrosion resistance and reliable performance. Available in open configurations only, with a fixed bore diameter of 2.5mm and a cross-section height of 2.5mm. These bearings deliver ultra-compact dimensions, bidirectional axial load capacity, excellent corrosion resistance, high rigidity, and reliable performance in miniaturized applications, making them ideal for micro-slewing rings, miniature robot joints, micro-optical mounts, micro-positioning stages, implantable medical devices, micro-sensor systems, and compact precision mechanisms where both space efficiency and bidirectional load support are critical.