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4pcs 8x30x10mm Steel Ball Bearing U-Type Groove Door Pulley Sliding Roller

4pcs 8x30x10mm Steel Ball Bearing U-Type Groove Door Pulley Sliding Roller: Tools & Home Improvement. 4pcs 8x30x10mm Steel Ball Bearing U-Type Groove Door Pulley Sliding Roller: Tools & Home Improvement. With ball bearings in the wheels,makes the doors roll more conveniently and more smoothly. 。 Suitable for injection molding machine safety door, push-pull sliding door and other pulleys 。 Plastic Coated U Shape groove ball bearing pulleys,fashionable, slide flexible, compression wear. 。 Large Range Bearing weight: 99KG 。 "Specifications: 。 Bearing Model: 608ZZ 。 Material: Engineering plastics + bearing steel 。 Color:Black 。 Inner diameter: 8MM 。 Outside diameter: 30MM 。 Thickness: 10MM 。 Groove width: 6MM 。 Groove depth: 3MM 。 Radius: R=3mm 。 Weight:57g 。 Bearing weight: 99KG 。 。 Package include: 。 4 x Bearing pulley" 。 。 。

4pcs 8x30x10mm Steel Ball Bearing U-Type Groove Door Pulley Sliding Roller
4pcs 8x30x10mm Steel Ball Bearing U-Type Groove Door Pulley Sliding Roller
4pcs 8x30x10mm Steel Ball Bearing U-Type Groove Door Pulley Sliding Roller