3B8921 Ball Bearing for Caterpillar Equipment

3B8921 is a ball bearing used in Caterpillar motor graders and track-type tractors. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Motor grader: 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD
• Motor grader: 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD
• Motor grader: 143H, 160H, 160H ES, 160H NA, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 163H, 163H NA
• Track-type tractor: D7F, D7G

Specifications