The 500® Series of unground combination radial and thrust bearings are designed for applications where a pure radial bearing or a pure thrust bearing would be unsuitable. The 500® Series is an angular contact bearing designed for applications where thrust and/or radial load carrying capability is required. Nice® Unground Angular Contact Ball Bearing, Round Bore, Series: 500®, 1.312 in Bore Dia, 2.3075 in Outside Dia, 1 Row, 0.609 in W, Open Closure, 630 lb, Carbon Steel Bearing, 1000 RPM Maximum, 300 °F, Uncoated