Do SKF bearing units require precision-ground shafts?

No. SKF UC-series insert bearings mount on commercial-tolerance (h-tolerance) shafts without precision grinding. The wide inner ring with grub screw or eccentric collar locking grips the shaft securely. This makes SKF bearing units a good fit for agricultural, conveyor, and general industrial applications where shaft precision isn't feasible or cost-effective.

How often should SKF pillow block bearing units be re-greased?

SKF bearing units come pre-lubricated for typical service conditions. In clean, dry, room-temperature environments, they can operate for thousands of hours without re-greasing. In dusty, wet, or high-temperature conditions, re-grease through the housing nipple every 500-1000 operating hours using a lithium complex or polyurea grease. Contact Shri Narayan Machinery LLP for lubrication recommendations specific to your environment.

SKF

Pillow Block & Flanged Bearing Units: SKF UCP/UCF/UCFL Series

Name: Pillow Block & Flanged Bearing Units: SKF UCP/UCF/UCFL Series
Brand: SKF

Bolt it on and run: SKF pillow block and flanged bearing units pair a UC-series insert bearing with a cast iron housing, so there's no housing machining, seal selection, or precision shaft grinding. UCP pedestal blocks bolt to flat surfaces, UCF 4-bolt square flanges face-mount, and UCFL 2-bolt diamond flanges fit where space is tight. Grub screw or eccentric collar locking grips commercial-tolerance shafts from 12mm to 90mm, the insert self-aligns up to 2 degrees, and units come pre-greased with rubber seals both sides plus a re-greasing nipple. Conveyor lines, flour mills, and packaging plants across Noida-NCR run on the UCP 205 to UCP 212 sizes we keep on the shelf. Stocked at Sector 9, Noida; WhatsApp for price.

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Type: Housed Insert Ball Bearing UnitHousing Styles: UCP (pillow block), UCF (4-bolt flange), UCFL (2-bolt flange)Insert Bearing: UC series (wide inner ring, self-aligning)Shaft Size Range: 12mm to 90mm (commercial tolerance shafts)

Key Features

Ready-to-mount design, no separate housing machining or seal arrangement needed

UC insert bearing with wide inner ring and grub screw or eccentric collar shaft locking

Pre-lubricated and sealed on both sides for extended maintenance-free operation

Cast iron housings (grey iron or SG iron) provide rigid support and vibration damping

UCP (pillow block), UCF (4-bolt square flange), UCFL (2-bolt diamond flange) options

Mounts on commercial-tolerance shafts, no precision grinding required

Re-greasing nipple on housing for periodic lubrication in demanding environments

Self-aligning insert accommodates up to 2° shaft misalignment

Technical Specifications

Type	Housed Insert Ball Bearing Unit
Housing Styles	UCP (pillow block), UCF (4-bolt flange), UCFL (2-bolt flange)
Insert Bearing	UC series (wide inner ring, self-aligning)
Shaft Size Range	12mm to 90mm (commercial tolerance shafts)
Housing Material	Cast iron (GG-25) or pressed steel
Sealing	Integral rubber seals on both sides of insert
Locking Method	Grub screw (standard) or eccentric collar (E suffix)
Lubrication	Pre-greased; re-lubrication nipple on housing
Dynamic Load Rating (max)	Up to 65 kN (UC 218 insert)
Static Load Rating (max)	Up to 44 kN
Permissible Misalignment	Up to 2°

Applications

The Pillow Block Bearing Units is used across a wide range of industrial applications:

Belt conveyors, tail and take-up pulley shaft support in material handling
Agricultural machinery, combine harvesters, grain augers, seed drills
Food processing, flour mills, rice husking machines, spice grinders
Textile machinery, take-up rolls, guide rollers, loom support shafts
Packaging machines, infeed and outfeed roller shaft support
Fan and blower assemblies, pedestal-mounted fan shaft bearings
Garage door openers and gate operators, simple, reliable shaft support

Industries Served

Agriculture & Farm EquipmentFood & Grain ProcessingMaterial Handling & ConveyorsTextile & ApparelPackaging & BottlingHVAC & Ventilation

Need Pillow Block Bearing Units? Get the Best Dealer Price

As your SKF dealer, Shri Narayan Machinery LLP offers competitive pricing on the full Pillow Block Bearing Units range. Call us for availability and your best quote.

Request Quote on WhatsApp Call +91-9811104037

C-101, Sector 9, Noida, Uttar Pradesh 201301 | SKF Dealer

Frequently Asked Questions: Pillow Block Bearing Units

UCP is a pillow block (pedestal base) designed to be bolted to a flat surface supporting a horizontal shaft. UCF is a 4-bolt square flange unit for face mounting on vertical surfaces or structural members. UCFL is a 2-bolt diamond (oval) flange for space-constrained face mounting. All three use the same UC insert bearing, only the housing shape differs. Choose based on your mounting surface orientation and available bolt pattern space.

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