F8-16 F8-19 F8-22 F9-17 F9-20 F10-18 F10-20 F12-21 F12-23M thrust ball bearing

High-concerned chemical：None Material：Bearing Steel Model Number：F8-16 F8-19 F8-22 F9-20 F10-18 F12-21 Brand Name：BCE Origin：Mainland China Certification：NONE

High-concerned chemical: None Material: Bearing Steel Model Number: F8-16 F8-19 F8-22 F9-20 F10-18 F12-21 Brand Name: BCE Origin: Mainland China Certification: NONE