K30020AR0 ultra thin wall angular contact ball bearing
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K30020AR0 ultra thin wall angular contact ball bearing
Metric Dimensions (mm)
| Bore d | 300 | mm | Bearing inner bore |
| Outer Dia. D | 340 | mm | Bearing outer diameter |
Radial Load (KN)
| Dynamic Load Cr | 33100 | KN | Basic dynamic radial load rating |
| Static Load C0r | 86900 | KN | Basic static radial load rating |
Axial Load
| Axial Cr | 82200 | KN | Basic dynamic axial load rating |
| Axial C0r | 250800 | KN | Basic static axial load rating |
Other Parameters
| Weight | 2.23 | kg | Bearing weight |
K30020AR0 ultra thin wall angular contact ball bearing is metric open‑type A thin‑section bearing of 20 mm cross‑section. It ensures stable rotation under mixed heavy 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 - 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.
