Four pionts Angle contact ballbearing is separable bearing, it can be subject to bi-directional load and have the function of both single row and double rows bearings.
四点接触球轴承为可分离型轴承，可承受双向轴向载荷，并有单列和双列角接触球轴承的功能。
2
English Name:Rolling bearings - Angular contact radial ball bearings - Part 4: Single row, double-direction - not self-locking, with double-split inner ring (Four-point contact bearing)
简体中文标题：滚动轴承。单列非自保持径向止推球轴承。带可分解内环的四点支承滚动轴承。
3
DAC series wheel bearing is a doublerow angular contact ballbearing incorporating an integral outer ring and two separable inner rings which is available with seals or without seals.