Browning® mounted ball bearings feature multiple housing styles, materials and configurations, an extended inner race insert bearing with ball riding nylon retainer. The insert features a rivet to prevent outer ring rotation and is available with setscrew, eccentric or BOA concentric locking collar. The contact seal with black oxide treated flinger provides a good balance between contaminant resistance, grease loss and friction. Browning® Pillow Block Ball Bearing Unit, Medium Duty High Base, Series: VPB 300, 1-1/2 in Bore, 5-19/32 to 6-11/32 in Bolt Center-to-Center Length, 2-5/16 in Base to Bore Centerline, 7-13/16 in Overall Length, 4-9/16 in Overall Height, Two-Bolt Base Mounting, Round Bore, 2-3/16 in Base Width, BOA Concentric Locking Device, Single Lip Contact with Flinger Seal, Non-Expansion (Fixed) Expansion, 7901 lb Dynamic/5139 lb Static Load, 200 to 250 °F, 3000 RPM Maximum, Cast Iron, Gray Painted