Flange 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
D/W R10 R-2Z 0.625" 1.375" 0.34382" 1111 lbf 708 lbf 20 0.039 kg
D/W R8 R-2Z 0.5" 1.125" 0.31252" 994 lbf 531 lbf 30 0.022 kg
D/W R8 R-2RS1 0.5" 1.125" 0.31252" 994 lbf 531 lbf 16 0.022 kg
D/W R8 R 0.5" 1.125" 0.25" 994 lbf 531 lbf 36 0.019 kg
D/W R6 R-2Z 0.375" 0.875" 0.28118" 555 lbf 252 lbf 36 0.012 kg
D/W R6 R-2RS1 0.375" 0.875" 0.28118" 555 lbf 252 lbf 20 0.012 kg
D/W R6 R 0.375" 0.875" 0.21882" 555 lbf 252 lbf 45 0.0097 kg
D/W R1810 R-2ZS 0.31252" 0.5" 0.15618" 70 lbf 32 lbf 50 0.0016 kg
D/W R1810 R 0.31252" 0.5" 0.15618" 70 lbf 32 lbf 63 0.0015 kg
D/W R4 R-2Z 0.25" 0.625" 0.19598" 192 lbf 71 lbf 48 0.0046 kg
D/W R4 R-2RS1 0.25" 0.625" 0.19598" 192 lbf 71 lbf 28 0.0045 kg
D/W R4 R 0.25" 0.625" 0.19598" 192 lbf 71 lbf 60 0.0042 kg
D/W R188 R-2Z 0.25" 0.5" 0.18748" 139 lbf 50 lbf 53 0.0023 kg
D/W R188 R 0.25" 0.5" 0.125" 139 lbf 50 lbf 67 0.0016 kg
D/W R168 R-2Z 0.25" 0.375" 0.125" 48 lbf 20 lbf 60 0.0007 kg
D/W R168 R 0.25" 0.375" 0.125" 48 lbf 20 lbf 75 0.0006 kg
D/W R168 R-2ZS 0.25" 0.375" 0.125" 48 lbf 20 lbf 60 0.000714 kg
D/W R3W.1562 R 0.18748" 0.5" 0.15618" 167 lbf 56 lbf 70 0.0024 kg
D/W R3 R-2Z 0.18748" 0.5" 0.19598" 167 lbf 56 lbf 56 0.003 kg
D/W R3 R-2RS1 0.18748" 0.5" 0.19598" 167 lbf 56 lbf 32 0.0031 kg
D/W R3 R 0.18748" 0.5" 0.19598" 167 lbf 56 lbf 70 0.0029 kg
D/W R166 R-2Z 0.18748" 0.375" 0.125" 91 lbf 31 lbf 63 0.000919 kg
D/W R166 R 0.18748" 0.375" 0.125" 91 lbf 31 lbf 80 0.0008 kg
D/W R156 R-2ZS 0.18748" 0.31252" 0.125" 46 lbf 17 lbf 70 0.000611 kg
D/W R156 R 0.18748" 0.31252" 0.10941" 46 lbf 17 lbf 90 0.0005 kg
D/W R155 R-2ZS 0.15618" 0.31252" 0.125" 46 lbf 17 lbf 70 0.000711 kg
D/W R155 R 0.15618" 0.31252" 0.10941" 46 lbf 17 lbf 90 0.0006 kg
D/W R2-6 R-2Z 0.125" 0.375" 0.14059" 82 lbf 26 lbf 63 0.0012 kg
D/W R2-6 R 0.125" 0.375" 0.10941" 82 lbf 26 lbf 80 0.001 kg
D/W R2 R-2Z 0.125" 0.375" 0.15618" 80 lbf 25 lbf 67 0.0014 kg
D/W R2 R-2RS1 0.125" 0.375" 0.15618" 80 lbf 25 lbf 40 0.0015 kg
D/W R2 R 0.125" 0.375" 0.15618" 80 lbf 25 lbf 85 0.0014 kg
D/W R2-5 R-2Z 0.125" 0.31252" 0.14059" 72 lbf 20 lbf 75 0.000719 kg
D/W R2-5 R 0.125" 0.31252" 0.10941" 72 lbf 20 lbf 95 0.0006 kg
D/W R144 R-2Z 0.125" 0.25" 0.10941" 37 lbf 11 lbf 85 0.000408 kg
D/W R144 R 0.125" 0.25" 0.0937" 37 lbf 11 lbf 100 0.0003 kg
D/W R1-5 R-2Z 0.0937" 0.31252" 0.14059" 70 lbf 20 lbf 80 0.000817 kg
D/W R1-5 R 0.0937" 0.31252" 0.10941" 70 lbf 20 lbf 95 0.0007 kg
D/W R133 R-2ZS 0.0937" 0.18748" 0.0937" 18 lbf 6 lbf 95 0.000203 kg
D/W R133 R 0.0937" 0.18748" 0.06252" 23 lbf 7 lbf 120 0.0001 kg