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)— 10 стр.
Geometrical product specifications (GPS) - System of limits and fits - Part 2: Limit gauges and gauging for plain cylindrical workpieces, Corrigenda to DIN 7150-2:2007-02— 2 стр.