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

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