Bike Ball Crank Bearing 38mm 7 Balls 4 Pack Stainless Steel Bicycle Bearings Replacement Front And Rear Parts For Bike Repairs Silver Get Your Ride Rolling

Stainless Bike Crank Bearing Set, 4 Pack for 38mm Balls
✔️ 4-pack stainless steel crank bearings, OD 20mm, ID 11mm

These stainless steel bike crank bearings replace worn crank bearings in bicycles, commonly used on the front axle and crank assembly to improve rotation and pedal efficiency.

✅ 4 bearings included for quick bike repairs
✅ Outer diameter 20mm, inner diameter 11mm, ball diameter 38mm
✅ Made from 304 stainless steel for rust resistance
✅ Applies lubrication before installation for smooth operation

💡 What is a ball bearing used for in mechanical systems?

The ball bearing reduces friction and supports rotating parts in bikes, machines, and equipment.

- Reduces friction between moving parts, enabling smoother operation

- Supports radial and axial loads in cranksets, hubs, and linear guides

- Stainless steel options resist corrosion for outdoor use

- Sealed designs help keep dirt out and maintenance low