PU69620-5 6x20x5mm Polyurethane Wheel With Bearing POM NYLON POK PU Roller Wheel Bearing Pulley specifications:

Model: PU69620-5

Diameter:6x20x5mm wheel

Bearing Material: GCr15 Chrome Steel

Plastic Material:PU

Shape: Flat

Seals Type: rubber seals/ metal shields

Suitable for: Widely used in transmission, instrumentation, electrical, household appliances, internal combustion engines, transport vehicles, agricultural machinery, construction machinery, engineering machinery, roller-skating shoes, yo-yo, etc.

Window slide roller small polyurethane roller wheel sliding roller wheels door  product pictures and drawing:

What are rubber coated bearing rollers used for?

PU covered bearing rollers for Industrial equipment, home appliances, furniture, production lines, etc

Built-in precise 696-2Z ball bearing, model Injected with PU，low noise, elegant performance and rolling smoothly.

Coated with deep groove ball bearings, fSmooth motion, low noise, slide flexible, compression wear.Suitable for all kinds of industrial equipment, motor, skateboards, roller wheels, office equipment and so on.

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What are common materials for plastic roller wheels?

POM, Nylon, PA, PU, PEEK, POK, TPU material, POM and nylon is most of customer's choice.