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Designed to be corrosion resistant and lubrication free, Mounted Poly-Round Plain Bearings are ideal for applications where sanitation and contamination are critical concerns. Manufacturers in the food and beverage industry can trust our mounted bearings to extend bearing life, improve production uptime and – most importantly – elevate food safety.
Meet these challenges head-on with Timken. Our Mounted Poly Round Plain Bearings are engineered for the harsh environmental conditions of food and beverage processing, including aggressive washdowns, wide temperature ranges, stringent food safety requirements and common washdown chemicals.

Unit of Measure

Key Dimensions

Bore Size

N/A 25 mm

Bearing Style

N/A QF – High Temp

Bearing Number

N/A QFU4LK205

Housing Material

N/A Hygienic Blue Thermoset (Polymer)

DoubleLock® Style

N/A Standard

Housing Construction

N/A Two-Bolt Flange

Other Dimensions

Total Length H

N/A 4.771 in121.2 mm

Total Height L

N/A 2.930 in74.4 mm

Width A0

N/A 2.197 in55.8 mm

Bolt Hole Spacing J

N/A 3.890 in98.8 mm

Base Thickness A1

N/A 1.126 in28.6 mm

Housing Width A

N/A 1.622 in41.2 mm

Bolt Hole Size N

N/A 0.469 in11.9 mm

Center of Bearing from Housing End A2

N/A 1.260 in32.0 mm

Center of Bearing from Bearing End S

N/A 0.503 in12.8 mm

Locking Sleeve Width B1

N/A 1.469 in37.3 mm

Locking Collar Outside Diameter d1

N/A 1.732 in44.0 mm