Bạc đạn 22220RZKW33C3 KOYO CHÍNH HÃNGd – Internal diameter 100 mm D – External diameter 180 mm B – Bearing/Inner ring width 46 mm d2 – External diameter inner ring 118,2 mm D1 – Inner diameter outer ring 160,8 mm rs – Min fillet radius 2,1 mm Number of lubrication holes 3 b – Groove width 11 mm k – ...