... motor, gas turbine, oil pump, air compressor, printing machines etc 4. Cage and seal using according to customer's requirement, but ... :a=15 ° ---- Ca=25 °----ACa=40 °-----B1) Single-Row Angular Contact Ball Bearing2) Double-Row Angular Contact Ball Bearing3) Four-Point Angular Contact ... friction 3 Large size range: inner Diameter from 10mm- 750mm 4 variations of structure: CC,CA,K,W33, N,NR, MBSpherical ...