High-speed Angular Contact Thrust Ball Bearings
High-speed angular contact thrust ball bearings performanceFig 1. High-speed angular contact thrust ball bearing structure As the substitutes of double direction angular contact thrust ball bearings,Website:, high-speed angular contact thrust ball bearings compose of two pieces of angular contact ball bearings with 30 ° or 40 ° contact angle and back-to-back arrangement. These bearings and double direction angular contact thrust ball bearings have the same outside diameter tolerance of outer ring, then there is clearance between outside diameter and the hole of bearing housing, therefore, high-speed angular contact thrust ball bearings do not bear radial load.High-speed angular contact thrust ball bearings not only maintain high rigidity, but also achieve high speed and low temperature rise. The codes of ZYS high-speed angular contact thrust ball bearing is 70 A/DB (contact angle 30 °) and 70 B/DB(40 °contact angle).In order to achieve interchange between high-speed angular contact thrust ball bearings and double direction angular contact thrust ball bearings, high-speed angular contact thrust ball bearings are adopted with a special width dimension, which is shown in Fig. 2, 2B = A. When the high-speed angular contact thrust ball bearings are substituted for double direction angular contact thrust ball bearings, the structure and dimensions of shaft and bearing do not need changing, while the washer D should be substituted for the washer C.
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