20X50X12mm Polyurethane Rubber roller wheel Bearing Sealed Miniature with tire

Polyurethane ( PU) is a new type of polymer composite materials between rubber and plastic, offering higher load bearing capacity compared to plastic, polyurethane offer superior impact resistance, while good mechanical properties. Polyurethane have better abrasion and tear resistance than rubber.

• Item: PU 20X50X12 Ball Bearing
• Type: Deep Groove Ball Bearing
• Material: GCr15 bearing steel
• Cover Material: Polyurethane(PU)
• Seals: Rubber Seals
• Size: 20mm x 50mm x 12mm
• Bearing Inner Diameter: 20mm
• Bearing Outer Diameter: 50mm
• Bearing Width: 12mm
• Quantity: One Bearing