Rexnord WP3S231E Pillow Block Ball Bearing

Rexnord WP3S231E Link-Belt Pillow Block Ball Bearing is a two-bolt base, cast-iron housing that accepts a 1-15/16 in bore shaft, delivering a compact, fixed-bearing solution for general-duty machinery. Its mounting geometry is designed for straightforward installation: a base-to-bore centerline of 2-1/4 in, bolt-center-to-bolt-center spacing of 6-3/16 in, and an overall length of 7-7/8 in with an overall height of 4-1/2 in. The unit’s solid cast-iron construction provides rigidity and precise bore alignment under load, while the two-bolt base offers dependable mounting stability in standard pillow block applications. As part of Rexnord’s Link-Belt WP3S/P3S family, the WP3S231E is a fixed (non-expansion) bearing block intended for environments where a non-rotating, correctly aligned bearing insert is required, supporting routine maintenance and serviceability. This model corresponds to the 200-series designation in the catalog, reflecting its intermediate-to-standard duty positioning within the family and compatibility with common shaft collars and bearing inserts used in light- to medium-duty industrial drives and machinery frames.