This bearing comes in both a sealed and a shielded version. 
Please select between the two below. Select 2RS for a sealed bearing or ZZ for a shielded bearing. 
6202-2RS, 6202 2RS, 6202 RS, 6202RS, 6202-ZZ, 6202 ZZ, 6202 Z, 6202Z
Our bearings are suitable for:
Small appliances (small generators, small motors, electric fans, power tools, vacuum cleaners, conveyor, etc.),
Office equipment (quantitative packaging machine, drilling machine, conveyor, variable, washing machine, )
Packaging machines, conveyor equipment, optical instruments and so on.