Nylon Ball Bearing Guide Pulley Kit 4 Pack With Round Idler Pulleys And Double Metal Sealed Bearings 8x31.5x9mm ID 8mm OD 31.5mm Width 9mm Includes 8x12mm Gaskets White For Doors Furniture And Gym Equipment

Nylon guide pulley kit, 4-pack with sealed bearings
✔️ ID 8mm, OD 31.5mm, width 9mm; 4 pulleys & 8x12 gaskets

These nylon round bearing pulleys guide belts and cables with smooth, quiet motion, ideal for doors, gym equipment, furniture, and light industrial setups.

✅ Material: Nylon body with bearing steel core
✅ Wheel width: 9 mm (0.35 in)
✅ Outer diameter: 31.5 mm (1.24 in)
✅ Inner diameter: 8 mm (0.31 in)
✅ Gasket size: 8 x 12 mm (0.31 x 0.47 in) (ID x OD); gasket material: 304 stainless steel
✅ Includes: 4 nylon round pulleys and 8 gaskets, white

💡 What is a nylon ball bearing guide pulley used for in linear motion systems?

A handy piece for guiding belts or cables with low friction. - Useful for doors, gym equipment, furniture, and light machinery - Helps maintain stable belt routing and reduces wear on moving parts - Sealed bearings repel dust and keep lubrication in ✝️