This R117E is a light, metricseries Cylindrical Roller Bearing with two lips on the outer race and a standard internal clearance. The bearing's dimensions are 17x40x12mm

This R117F is a light, metricseries Cylindrical Roller Bearing with two lips on the outer race, one lip and loose sideplate on the inner race and a standard internal clearance. The bearing's dimensions are 17x40x12mm

This R117L is a light, metricseries Cylindrical Roller Bearing with one lip on the outer race, two lips on the inner race and a standard internal clearance. The bearing's dimensions are 17x40x12mm

This R117LL is a light, metricseries Cylindrical Roller Bearing with two lips on the outer race, two lips on the inner race and a standard internal clearance. The bearing's dimensions are 17x40x12mm

This R117P is a light, metricseries Cylindrical Roller Bearing with two lips on the outer race, one lip on the inner race and a standard internal clearance. The bearing's dimensions are 17x40x12mm