5.953mm AISI 52100/Gcr15/Suj2 Carbon Steel Ball G20/G28/G40/G60/G100/G200/G500/G1000 Liangshan Keda Steel Ball & Bearing Co., Ltd Base Info Description Pre：7mm AISI 1010 Carbon Steel Ball G28/G40/G60/G100/G200/G500/G1000 Next：5mm Carbon Steel Ball G20/G28/G40/G60/G100/G200/G500/G1000
