KOYO 6311-ZZ C3 55X120X29 mm BEARING WITH METAL SHIELDS MADE IN JAPAN
This 6311 ZZ C3 KOYO bearing is a Shielded Deep Groove Radial Ball Bearing with a larger than standard radial internal clearance The bearing’s dimensions are 55x120x29.
6311-ZZC3 Ball Bearing ( Bearings Limited)
What stands out about this dxc bearing is the reliable feel you get when you spin it by hand.