Ball bearing e.g. for head tube of steering handle in two wheeler

摘要

The ball bearing has inner and outer rings (1,2) between which a holder (3) is provided. A pocket (5) is provided in the holder in which balls (4) are stored. The balls contact the inner and outer rings with respect to the pitch circle diameter. The holder has an opening (6) formed to a partition wall (3c) between the pockets where balls are inserted loosely.