71900 series bearings

71928 thin walled angular contact ball bearing

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71928 thin walled angular contact ball bearing

Metric Dimensions (mm)
Bore d140mmBearing inner bore
Outer Dia. D190mmBearing outer diameter
Width B24mmBearing width
Radial Load (KN)
Dynamic Load Cr78.9KNBasic dynamic radial load rating
Static Load C0r126.4KNBasic static radial load rating
Speed & Torque
Grease Lubrication6000rpmLimiting speed for grease lubrication
Oil Lubrication9000rpmLimiting speed for oil lubrication
Other Parameters
Weight1.68kgBearing weight
71928 thin‑walled angular contact ball bearing realizes low‑noise high‑speed rotation with slim cross‑section design, effectively saves housing installation space. Widely applied for large‑bore light‑load combined‑load transmission systems, packaging machinery and auxiliary automation precision equipment.

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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