Letool 4pcs U type groove pulley nylon Guide Pulley Rolling Bearing U Groove Roller Wheel 8x40x20mm for Driving Mechanical Equipment, or Used in Doors and Windows
Brand: LYJEE
Color: Black
Categories: Industrial & Scientific, Power Transmission Products, Bearings, Balls & Bushings, Ball Bearings, Radial Ball Bearings, Deep-Groove Ball Bearings

Specifications Bearing Model: 608ZZ Material: Reinforced nylon+ bearing steel Color:Black Quantity: 4pcs Inner diameter: 8mm Outside diameter: 40mm Thickness: Aprox.20.5mm Slot width: Aprox.17.5mm Groove depth: 5mm Radius: R=10mm Weight:26.3g (one piece of wheels) Features Overall size: outside diameter 40mm/1.57in; height 20.5mm/0.80in U-groove size: width 17.5mm/0.69in; depth 5mm/0.20in Shaft hole diameter: 8mm/0.31in Max Load-bearing: 167kg/368lbs Package Contents 4 x U Groove Pulley Wheels

Letool 4pcs U type groove pulley nylon Guide Pulley Rolling Bearing U Groove Roller Wheel 8x40x20mm for Driving Mechanical Equipment, or Used in Doors and Windows
【U-GROOVE SIZE】Inner Diameter: 8mm/0.3in, Outer Diameter: 40mm/1.6in, Thickness: 20.7mm/0.8in.
【OPERATION ADVANTAGES】: Stable and smooth operation, good mute effect, practical and durable.
【WIDELY USED】Widely used in doors and windows to track and drive mechanical equipments. These gadgets can be used to build the track system or replace the wheels on the dolly.
【Max Load-bearing】: the wheels are very strong and the bearing capacity is stronger.Max Load-bearing is 167kg/368lbs

Manufacturer: Letool International Ltd.
Part Number: U0840-20
Item Weight: 4.2 ounces
Package Dimensions: 3.1 x 2 x 1.6 inches
Country of Origin: China
Item model number: U0840-20
Is Discontinued By Manufacturer: No
Size: 8*40*20mm
Color: Black
Material: High Carbon Steel
Item Package Quantity: 4
Measurement System: Metric
Batteries Included?: No
Batteries Required?: No
Date First Available: October 27, 2016