5/16" Constant Section Bearings

167 products

5/16" Constant Section Bearings

The 5/16 Inch Constant Section Bearings are engineered to provide a higher level of radial stiffness compared to thinner series while maintaining a compact imperial profile. With a consistent five-sixteenths inch cross-sectional width these bearings allow designers to increase shaft diameters and load capacity without a significant increase in housing weight. Manufactured to rigorous precision standards from premium chrome steel they are widely utilized in heavy-duty robotic arms industrial automation and rotary tables where consistent torque and compact footprints are essential for modern precision engineering.

Thin section bearings type
For load direction
Seal type
Part Number Bore diameter Outside diameter Width For load direction Seal type Ring material Ball material Radial dynamic load rating Radial static load rating
KB070AR0 7" 7.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1184 lbf 3450 lbf
NB070AR0 7" 7.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1184 lbf 3450 lbf
KB070XP0 7" 7.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 1498 lbf 2970 lbf
NB070XP0 7" 7.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 1498 lbf 2970 lbf
KB070CP0 7" 7.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1129 lbf 2970 lbf
NB070CP0 7" 7.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1129 lbf 2970 lbf
KB075AR0 7.5" 8.125" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1235 lbf 3700 lbf
NB075AR0 7.5" 8.125" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1235 lbf 3700 lbf
KB075XP0 7.5" 8.125" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 1559 lbf 3170 lbf
NB075XP0 7.5" 8.125" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 1559 lbf 3170 lbf
KB075CP0 7.5" 8.125" 0.3125" Radial Open Chrome Steel Chrome Steel 1175 lbf 3170 lbf
NB075CP0 7.5" 8.125" 0.3125" Radial Open Chrome Steel Chrome Steel 1175 lbf 3170 lbf
KB080AR0 8" 8.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1284 lbf 3940 lbf
NB080AR0 8" 8.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1284 lbf 3940 lbf
KB080XP0 8" 8.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 1618 lbf 3370 lbf
NB080XP0 8" 8.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 1618 lbf 3370 lbf
KB080CP0 8" 8.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1219 lbf 3370 lbf
NB080CP0 8" 8.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1219 lbf 3370 lbf
KB090AR0 9" 9.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1370 lbf 4400 lbf
NB090AR0 9" 9.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1370 lbf 4400 lbf
KB090XP0 9" 9.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 1732 lbf 3780 lbf
NB090XP0 9" 9.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 1732 lbf 3780 lbf
KB090CP0 9" 9.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1304 lbf 3780 lbf
NB090CP0 9" 9.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1304 lbf 3780 lbf
KB100AR0 10" 10.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1461 lbf 4890 lbf
NB100AR0 10" 10.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1461 lbf 4890 lbf
KB100XP0 10" 10.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 1841 lbf 4190 lbf
NB100XP0 10" 10.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 1841 lbf 4190 lbf
KB100CP0 10" 10.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1386 lbf 4190 lbf
NB100CP0 10" 10.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1386 lbf 4190 lbf
KB110AR0 11" 11.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1540 lbf 5350 lbf
NB110AR0 11" 11.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1540 lbf 5350 lbf
KB110XP0 11" 11.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 1945 lbf 4590 lbf
NB110XP0 11" 11.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 1945 lbf 4590 lbf
KB110CP0 11" 11.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1464 lbf 4590 lbf
NB110CP0 11" 11.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1464 lbf 4590 lbf
KB120AR0 12" 12.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1623 lbf 5840 lbf
NB120AR0 12" 12.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1623 lbf 5840 lbf
KB120XP0 12" 12.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 2045 lbf 5000 lbf
NB120XP0 12" 12.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 2045 lbf 5000 lbf
KB120CP0 12" 12.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1539 lbf 5000 lbf
NB120CP0 12" 12.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1539 lbf 5000 lbf
KB140AR0 14" 14.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1767 lbf 6760 lbf
KB140BR0M 14" 14.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1767 lbf 6760 lbf
NB140AR0 14" 14.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1767 lbf 6760 lbf
KB140XP0 14" 14.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 2234 lbf 5810 lbf
NB140XP0 14" 14.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 2234 lbf 5810 lbf
KB140CP0 14" 14.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1680 lbf 5810 lbf
NB140CP0 14" 14.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1680 lbf 5810 lbf
KB160AR0 16" 16.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1907 lbf 7710 lbf
NB160AR0 16" 16.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 1907 lbf 7710 lbf
KB160XP0 16" 16.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 2410 lbf 6620 lbf
NB160XP0 16" 16.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 2410 lbf 6620 lbf
KB160CP0 16" 16.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1812 lbf 6620 lbf
NB160CP0 16" 16.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1812 lbf 6620 lbf
KB180AR0 18" 18.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 2038 lbf 8660 lbf
NB180AR0 18" 18.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 2038 lbf 8660 lbf
KB180XP0 18" 18.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 2576 lbf 7440 lbf
NB180XP0 18" 18.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 2576 lbf 7440 lbf
KB180CP0 18" 18.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1936 lbf 7440 lbf
NB180CP0 18" 18.625" 0.3125" Radial Open Chrome Steel Chrome Steel 1936 lbf 7440 lbf
KB200AR0 20" 20.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 2162 lbf 9610 lbf
NB200AR0 20" 20.625" 0.3125" Angular Contact Open Chrome Steel Chrome Steel 2162 lbf 9610 lbf
KB200XP0 20" 20.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 2731 lbf 8250 lbf
NB200XP0 20" 20.625" 0.3125" Four Point Contact Open Chrome Steel Chrome Steel 2731 lbf 8250 lbf
KB200CP0 20" 20.625" 0.3125" Radial Open Chrome Steel Chrome Steel 2053 lbf 8250 lbf
NB200CP0 20" 20.625" 0.3125" Radial Open Chrome Steel Chrome Steel 2053 lbf 8250 lbf
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