... . 4. Features: Shield / closure: Open ball bearing, Z, ZZ, RS, 2RS, 2RZBall bearings snap ring: N, NRTolerance code: ABEC-1, ABEC ... *****7. Items Number: 6000, 6001, 6002, 6003, 6004, 6005, 6006, 6007, 6008, 6009, 6010, 6011, 6012, 6013, 6014, 6015, 6200, 6201 ... best products with competitive price. Only 100% Real SKF 6006-2rs deep groove ball bearing