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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 618/4 4 mm 9 mm 2.5 mm 82 lbf 26 lbf 85 0.0006 kg
W 637/4 X-2Z 4 mm 8 mm 3 mm 51 lbf 16 lbf 75 0.000513 kg
W 617/4 X 4 mm 8 mm 2 mm 51 lbf 16 lbf 90 0.0004 kg
W 627/4-2Z 4 mm 7 mm 2.5 mm 32 lbf 12 lbf 75 0.000306 kg
W 617/4 4 mm 7 mm 2 mm 40 lbf 13 lbf 95 0.0002 kg
W 633-2Z 3 mm 13 mm 5 mm 167 lbf 56 lbf 56 0.0031 kg
W 633-2RS1 3 mm 13 mm 5 mm 167 lbf 56 lbf 32 0.0033 kg
W 633 3 mm 13 mm 5 mm 167 lbf 56 lbf 70 0.0029 kg
W 623-2Z 3 mm 10 mm 4 mm 80 lbf 25 lbf 70 0.0016 kg
W 623-2RS1 3 mm 10 mm 4 mm 80 lbf 25 lbf 40 0.0015 kg
W 623 3 mm 10 mm 4 mm 80 lbf 25 lbf 90 0.0015 kg
WBB1-8704 3 mm 9 mm 2.5 mm 73 lbf 21 lbf 90 0.0007 kg
W 630/3-2Z 3 mm 9 mm 5 mm 73 lbf 21 lbf 70 0.0013 kg
W 603 X-2Z 3 mm 9 mm 4 mm 73 lbf 21 lbf 70 0.0011 kg
W 603 3 mm 9 mm 3 mm 73 lbf 21 lbf 90 0.0008 kg
WBB1-8703 3 mm 8 mm 2.5 mm 51 lbf 16 lbf 90 0.0005 kg
W 639/3-2Z 3 mm 8 mm 4 mm 72 lbf 20 lbf 75 0.000822 kg
W 639/3-2RS1 3 mm 8 mm 4 mm 72 lbf 20 lbf 43 0.000822 kg
W 619/3-2Z 3 mm 8 mm 3 mm 51 lbf 16 lbf 75 0.000613 kg
W 619/3 3 mm 8 mm 3 mm 72 lbf 20 lbf 95 0.0006 kg
W 638/3-2Z 3 mm 7 mm 3 mm 40 lbf 13 lbf 80 0.00041 kg
W 638/3-2RS1 3 mm 7 mm 3 mm 40 lbf 13 lbf 45 0.00041 kg
W 618/3 3 mm 7 mm 2 mm 40 lbf 13 lbf 100 0.0003 kg
W 637/3-2Z 3 mm 6 mm 3 mm 26 lbf 8 lbf 85 0.000307 kg
W 627/3-2Z 3 mm 6 mm 2.5 mm 26 lbf 8 lbf 85 0.000305 kg
W 617/3 3 mm 6 mm 2 mm 26 lbf 8 lbf 110 0.0002 kg
WBB1-8702 2.5 mm 8 mm 2.5 mm 72 lbf 20 lbf 95 0.0005 kg
W 630/2.5-2Z 2.5 mm 8 mm 4 mm 70 lbf 20 lbf 80 0.000921 kg
W 60/2.5 2.5 mm 8 mm 2.8 mm 70 lbf 20 lbf 95 0.0006 kg
W 619/2.5 2.5 mm 7 mm 2.5 mm 50 lbf 15 lbf 100 0.0004 kg
W 638/2.5-2Z 2.5 mm 6 mm 2.6 mm 26 lbf 8 lbf 85 0.000305 kg
W 618/2.5 2.5 mm 6 mm 1.8 mm 26 lbf 8 lbf 110 0.0002 kg
WBB1-8701 2 mm 7 mm 2.5 mm 50 lbf 15 lbf 100 0.0004 kg
W 602 X-2ZS 2 mm 7 mm 3 mm 50 lbf 15 lbf 80 0.000511 kg
W 602 2 mm 7 mm 2.8 mm 50 lbf 15 lbf 100 0.0005 kg
W 639/2-2Z 2 mm 6 mm 3 mm 43 lbf 11 lbf 90 0.000308 kg
W 619/2 X-2Z 2 mm 6 mm 2.5 mm 43 lbf 11 lbf 90 0.000307 kg
W 619/2 X 2 mm 6 mm 2.5 mm 43 lbf 11 lbf 110 0.0003 kg
W 619/2 2 mm 6 mm 2.3 mm 43 lbf 11 lbf 110 0.0003 kg
W 638/2-2Z 2 mm 5 mm 2.3 mm 21 lbf 6 lbf 100 0.000204 kg