... . 4. Features: Shield / closure: Open ball bearing, Z, ZZ, RS, 2RS, 2RZBall bearings snap ring: N, NRTolerance code: ABEC-1, ABEC ... , 6007, 6008, 6009, 6010, 6011, 6012, 6013, 6014, 6015, 6200, 6201, 6202, 6203, 6204, 6205, 6206, 6207, 6208, 6209, 6210, 6211 ... best products with competitive price. Only 100% Real SKF 6006-2rs deep groove ball bearing