Recently, the telescope bearings used from astronomical equipment in the South Pole were developed by Wafangdian Bearing Group Corp. (ZWZ) and were successfully manufactured. The product has high precision, high reliability and extremely low temperature resistance, which has reached the international advanced level.
The product as passed the bench test because of its special process. The working temperature can be as low as -85
Product Model | Inside Diameter | Outside Diameter | Thickness |
62310.2RSR bearing | 50 | 110 | 40 |
6310.2ZR bearing | 50 | 110 | 27 |