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Stainless Steel Deep Groove Ball Bearings

ZHIO precision deep groove ball bearings are designed for high precision, low noise, small vibration, high reliability and long life. They are mainly used in various types of electric motors. They are also known as ZHIO (Electric Motor Quality) bearings.

ZHIO bearings are widely used in household appliances, toys, electric power tools, car motors and other fields. With optimal design, high reliability heat treatment, precision manufacturing processes and high-grade grease, these products perform better on reliability, vibration and noise levels than standard products making them more suitable for electric motor applications. These products can also be applied to most gearbox applications as well.

ZHIO precision deep groove ball bearings include a variety of shields and seals to meet the many different requirements customers demand. For detailed specification, please feel free to contact ZHIO.

ZHIO precision deep groove ball bearings are good quality products with excellent performance. Because of their high precision, high rotating speed, high reliability, low friction and low noise, they are widely used in areas of machine tools, measuring instruments, office machinery, household appliances, various types of electric motors, industrial automation control, etc.

At the same time, ZHIO can design and manufacture precision deep groove ball bearings according to your requirements with special functions such as mute, special sealing, electric insulation, ultra-high speed, high/low temperature resistance and etc. And ZHIO will sincerely provide superior application service and professional technical advice to customers.

Dimension(mm) Radial Load
Model inside Outside Height Dynamic Static Maximum Speed Weight
W 639-2RS1 9 mm 30 mm 10 mm 980 lbf 522 lbf 16 0.035 kg
W 639 9 mm 30 mm 10 mm 980 lbf 522 lbf 36 0.033 kg
W 629-2Z 9 mm 26 mm 8 mm 892 lbf 441 lbf 32 0.019 kg
W 629-2RS1 9 mm 26 mm 8 mm 892 lbf 441 lbf 19 0.019 kg
W 629 9 mm 26 mm 8 mm 892 lbf 441 lbf 40 0.018 kg
W 609-2Z 9 mm 24 mm 7 mm 456 lbf 183 lbf 36 0.014 kg
W 609-2RS1 9 mm 24 mm 7 mm 456 lbf 183 lbf 20 0.014 kg
W 609 9 mm 24 mm 7 mm 456 lbf 183 lbf 43 0.013 kg
W 619/9-2Z 9 mm 20 mm 6 mm 438 lbf 209 lbf 40 0.0076 kg
W 619/9-2RS1 9 mm 20 mm 6 mm 438 lbf 209 lbf 22 0.0075 kg
W 619/9 9 mm 20 mm 6 mm 438 lbf 209 lbf 50 0.007 kg
W 638/9-2Z 9 mm 17 mm 6 mm 171 lbf 75 lbf 43 0.005 kg
W 628/9-2Z 9 mm 17 mm 5 mm 171 lbf 75 lbf 43 0.0042 kg
W 628/9-2RS1 9 mm 17 mm 5 mm 171 lbf 75 lbf 24 0.0042 kg
W 618/9 9 mm 17 mm 4 mm 171 lbf 75 lbf 53 0.0034 kg
W 617/9 9 mm 14 mm 3 mm 117 lbf 53 lbf 60 0.0012 kg
W 638-2Z 8 mm 28 mm 9 mm 892 lbf 441 lbf 32 0.028 kg
W 638-2RS1 8 mm 28 mm 9 mm 892 lbf 441 lbf 19 0.028 kg
W 638 8 mm 28 mm 9 mm 892 lbf 441 lbf 40 0.027 kg
W 628-2Z 8 mm 24 mm 8 mm 555 lbf 252 lbf 36 0.017 kg
W 628-2RS1 8 mm 24 mm 8 mm 555 lbf 252 lbf 20 0.017 kg
W 628 8 mm 24 mm 8 mm 555 lbf 252 lbf 45 0.016 kg
W 608-2Z 8 mm 22 mm 7 mm 447 lbf 175 lbf 38 0.012 kg
W 608-2RS1/VP311 8 mm 22 mm 7 mm 447 lbf 175 lbf 22 0.012 kg
W 608-2RS1 8 mm 22 mm 7 mm 447 lbf 175 lbf 22 0.012 kg
W 608 8 mm 22 mm 7 mm 447 lbf 175 lbf 48 0.011 kg
W 619/8-2Z 8 mm 19 mm 6 mm 281 lbf 102 lbf 43 0.0068 kg
W 619/8-2RS1 8 mm 19 mm 6 mm 281 lbf 102 lbf 24 0.0067 kg
W 619/8 8 mm 19 mm 6 mm 281 lbf 102 lbf 53 0.0061 kg
W 638/8-2Z 8 mm 16 mm 6 mm 161 lbf 67 lbf 45 0.0046 kg
W 628/8-2Z/VT378 8 mm 16 mm 5 mm 161 lbf 67 lbf 45 0.0038 kg
W 628/8-2Z 8 mm 16 mm 5 mm 161 lbf 67 lbf 45 0.0038 kg
W 628/8-2RS1 8 mm 16 mm 5 mm 161 lbf 67 lbf 26 0.0039 kg
W 618/8-2Z 8 mm 16 mm 4 mm 161 lbf 67 lbf 45 0.0031 kg
W 618/8 8 mm 16 mm 4 mm 161 lbf 67 lbf 56 0.0031 kg
WBB1-8708-2Z 8 mm 14 mm 4 mm 104 lbf 43 lbf 48 0.002 kg
WBB1-8708-2RS1 8 mm 14 mm 4 mm 104 lbf 43 lbf 28 0.002 kg
W 637/8 X 8 mm 14 mm 3.5 mm 104 lbf 43 lbf 60 0.0018 kg
W 637/8-2Z 8 mm 12 mm 3.5 mm 70 lbf 31 lbf 53 0.001 kg
W 617/8 8 mm 12 mm 2.5 mm 70 lbf 31 lbf 63 0.0007 kg