Pillow Block (Plummer Block) Bearing Unit suppliers in India
Pillow Block (Plummer Block) Bearing Unit38
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About pillow block (plummer block) bearing unit
A pillow block, or plummer block, is a ready-to-mount bearing unit: an insert bearing seated in a cast housing that bolts to a flat surface parallel to the shaft. The UCP series pairs a UC insert, held by set screws, with a two-bolt cast iron housing, and the number gives the shaft size, from UCP202 upward. The spherical outer surface of the insert allows some initial misalignment. Buyers compare shaft diameter, centre height, bolt spacing, housing material, grease nipple and seal type. Pillow blocks carry shafts in conveyors, agricultural machines, fans, blowers and packaging lines.
Buyer's guide
What to check
- Shaft bore against the unit number (for example, UCP205 = 25 mm) and centre height
- Bolt hole spacing and housing base length to match your mounting frame
- Housing material (grey cast iron, ductile iron, pressed steel or SS) and grease nipple fitting
What to ask the supplier
- Ask about insert locking: set screws or eccentric collar
- Ask for seal type for dusty or wet duty and whether units come pre-greased
- Confirm insert and housing brand, and packing per box
Content updated 5 September 2026























