PU0413-4-TIRE Polyurethane Rubber Bearing 4x13x4mm Shielded Miniature
Type: Deep Groove Ball Bearing
Material: GCr15 bearing steel
Cover Material: Polyurethane(PU)
| PU4X13X4 Polyurethane Metal Shielded Ball Bearing|
4mm x 13mm x 4mm
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.