K30008AR0 ultra thin wall angular contact ball bearing
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K30008AR0 ultra thin wall angular contact ball bearing
Metric Dimensions (mm)
| Bore d | 300 | mm | Bearing inner bore |
| Outer Dia. D | 316 | mm | Bearing outer diameter |
Radial Load (KN)
| Dynamic Load Cr | 9900 | KN | Basic dynamic radial load rating |
| Static Load C0r | 35600 | KN | Basic static radial load rating |
Axial Load
| Axial Cr | 25300 | KN | Basic dynamic axial load rating |
| Axial C0r | 102800 | KN | Basic static axial load rating |
Other Parameters
| Weight | 0.33 | kg | Bearing weight |
K30008AR0 ultra thin wall angular contact ball bearing is metric open type A thin‑section bearing of 8 mm cross‑section. It offers stable rotation under mixed radial‑axial loads for huge‑bore compact mechanical structures. Mainly used for large custom rotary assemblies and special‑industry devices.
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.
