Supply High quality SKF self-aligning ball bearing 1211K 1. Types: (0)4series, 12series, 22series, 13series, 23series, etc. 2. Material: Gcr15-China, (AISI)52100-USA, (DIN)100CR6-Germany 3. Sealing cover: Z, ZZ, RS, 2RS, RZ, ZNR, etc. 4. Vibration and Noisy level: Z1, Z2, Z3, ZV1. ZV2. ZV3, 5. Precision level: ABEC-1, ABEC-3, ABEC-5 6. Main application: Motorcycle, motor, pump, sewing machine, textile machine, agriculture machinery, electric, tools, etc. 7. Packing: Individual box single plastic bag, cartons and wooden cases 8. Production range: Standard and non-standard

