Zhejiang ninngfan bearing company mainly produce bearing, the deep groove ball bearings are used in a particularly wide variety of applications. Consequently, they are available in many executions and sizes. NF ball bearing from OD 10mm - 80mm with less coefficient of friction, less vibration and noise, high energy efficient, high limiting speed, long service life, large size range and variations of structure. 6000 series (6000 - 6016 ) 6200 series (6200 - 6216 ) 6300 series (6300 - 6315 ) Characteristic of deep groove ball bearing: 1. Seal form: Z, ZZ, RS, 2RS, RZ, 2RZ, open style 2. Bearing stop ring: N，NR Quality level: reach the same level as the Japanese and European bearings 3. Class of precision: ABEC-1 (P0), ABEC-3 (P6),ABEC-5(P5) ABEC-7 (P4) 4. Vibration rank: V1, V2, V3, V4 5. Noise rank: Z1，Z2，Z3，Z4. 6. Internal elimination code: C0, C2, C3, C4, C5 7. Bearing material: bearing steel (9Cr15), stainless steel(AISI440C, AISI304, AISI316) 8. Keeper: stainless steel, PTFE (Poly tetra fluoro ethylene), nylon 9. Bearing ferrule and ball hardness: 59 - 63HRC our bearing mainly used: home appliances,low noise and high speed electric motors,Electrical Goods, automotive components, pumps, General Machinery. etc. Modification of standard bearings for custom requirements.