2008DIN 628-4:2008-02 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)
2008DIN 628-4:2008 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)
1993DIN 628-4:1993 Rolling bearings; angular contact radial ball bearing, single row; four-point contact bearing