71900 series bearings

719/950 thin walled angular contact ball bearing

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719/950 thin walled angular contact ball bearing

Metric Dimensions (mm)
Bore d950mmBearing inner bore
Outer Dia. D1250mmBearing outer diameter
Width B132mmBearing width
Radial Load (KN)
Dynamic Load Cr985KNBasic dynamic radial load rating
Static Load C0r2850KNBasic static radial load rating
Speed & Torque
Grease Lubrication330rpmLimiting speed for grease lubrication
Oil Lubrication410rpmLimiting speed for oil lubrication
Other Parameters
Weight395kgBearing weight
719/950 thin‑walled angular contact ball bearing achieves low‑friction stable rotation for giant‑bore compact mechanical assemblies. It can bear combined radial‑axial loads, frequently deployed for large rotary worktables and heavy‑industry special‑purpose mechanical components.

71900 series bearings feature a high-speed angular contact design with ultra-thin section dimensions, engineered to support combined radial and axial loads in an extremely lightweight, compact package with superior rotational accuracy. Available in open configurations only, with bore diameters ranging from 10mm to 50mm and an ultra-thin cross-section height of 6mm across all sizes. These bearings deliver ultra-compact design, significant weight reduction, exceptional high-speed capability, superior axial and radial rigidity, low heat generation, and reliable performance in precision applications, making them ideal for high-speed machine tool spindles, aerospace actuators, robotics joints, medical imaging equipment, semiconductor manufacturing devices, and ultra-precision mechanisms where both weight savings and high rotational accuracy are critical.

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📞 400-0635-880
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📱 +86-635-2513333
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