Needle Roller And Cage Assembly High Load Capacity For Radial Space Limited Precision INA K45 53 21 45 mm Inner Diameter 53 mm Outer Diameter 21 mm Width
✔️ INA K45-53-21, 45x53x21 mm, single unit, steel cage
Needle Roller And Cage Assemblies are roller bearings with long cylindrical rollers that are thin and tall. They deliver high load capacity in a compact radial footprint, perfect where space is tight. The robust steel cage ensures durability in tough industrial use. These units are commonly used in linear slide unit systems, conveyors, and other machinery; ceramic roller variants exist, but this INA model uses hardened steel rollers for rugged service.
✅ ID 45 mm, OD 53 mm, width 21 mm
✅ High load capacity in thin cross-section
✅ Steel cage for robust durability
✅ Suitable for conveyors, machine tools, and gear trains
✅ INA quality standard for reliability
💡 What is a needle roller bearing used for?
A handy compact bearing used to support heavy radial loads in tight spaces.
- Handy in conveyors and machines where clearance matters- Great for gear trains and sliding assemblies requiring precise motion
- Durable with a steel cage and hardened rollers