UCP218-56 | 3-1/2" Shaft Pillow Block Bearing Units with Set Screws

Engineered for horizontal shaft support and heavy-duty base mounting, our pillow block bearing units provide a complete, drop-in assembly ready for immediate installation. Combining a precision-ground insert bearing with a rigid, cast-iron pedestal housing, each unit utilizes a spherical internal contact seat that automatically self-aligns to compensate for frame flex, uneven surfaces, and shaft deflection. The slotted base holes allow for precise centerline adjustment during setup, while multi-lip contact seals and factory-packed grease protect the internal raceways against dust, grit, and moisture. Equipped with a secure shaft-locking mechanism and an integrated grease zerk for straightforward relubrication, these mounted units deliver the structural stability, quiet operation, and wear resistance.

UCP218-56 | 3-1/2" Shaft Pillow Block Bearing Units with Set Screws

Details & Specifications

• Part No: UCP218-56
• Shaft Dia Inch: 3,5
• Dim. **h**: 4
• Dim. **a**: 12,875
• Dim. **e**: 10,3125
• Dim. **b**: 3,46875
• Dim. **S2**: 1,0625
• Dim. **S1**: 1,1875
• Dim. **g**: 1,296875
• Dim. **w**: 7,796875
• Dim. **Bi**: 3,7795
• Dim. **n**: 1,563
• Bolt Used: 0,875
• Wgt. Lbs.: 16,1

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*Photos for reference purposes only.