HK5520 Needle Roller Bearing 55x63x20mm - Shell-Type

HK5520 is a shell-type needle roller bearing used to support radial loads in compact spaces. It’s commonly used in precision machinery, gearboxes, CNC components, and sliding actuators where stiffness and low friction matter. The 55x63x20 mm (2.165 x 2.48 x 0.787 in) size keeps a strong, compact footprint.

✅ Inner diameter: 55 mm
✅ Outer diameter: 63 mm
✅ Width: 20 mm
✅ Size: 55x63x20 mm (2.165 x 2.48 x 0.787 in)
✅ Dynamic load: 29.8 kN
✅ Static load: 69.4 kN
✅ Quantity: One Bearing

💡 What is a shell-type needle roller bearing used for in precision machinery?

These bearings provide compact, high-load support for radial moves and help reduce machine size while keeping motion smooth.

- High radial load capacity in compact designs
- Low friction for smooth, accurate motion
- Sealed housing-friendly with a small footprint
- Handy for CNC, automation, and gear systems