Angular contact ball bearing
1. Types: 71900series, 7000series, 7200series, 33series, 40series32series, QJseries 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