Standard or non-standard ball bearings. 6000 series, 6200 series, 6300 series, 6800 series, etc 1)The single row deep groove ball bearing are simple in design,non-separable,suitable for high and ever very high speeds and are robust in operation,requiring little maintenance2)Deep raceway grooves and the close conformity between the raceway grooves and the balls enable deep groove ball bearings to ...