HK5520 Shell Type Needle Roller Bearing 55x63x20mm for compact gearboxes and industrial shafts, high load capacity bearing designed for tight spaces and smooth rotation in heavy duty mechanical applications

HK5520 Needle Roller Bearing Shell Type 55mm x 63mm x 20mm
✔️ HK5520 Shell Type Needle Roller Bearing 55x63x20mm

This shell type needle roller bearing is used in compact mechanical assemblies where high radial load capacity is needed with a thin wall design. It is handy for gearboxes, industrial drives, and shaft supported housings where space is limited and the shaft serves as the running surface.

✅ Pack size: 1 bearing
✅ Bearing type: shell type needle roller bearing
✅ Inside diameter: 55mm
✅ Outside diameter: 63mm
✅ Width: 20mm
✅ Thin outer shell for space saving installations
✅ Designed for shafts used directly as raceways
✅ High radial load capacity in compact envelopes
✅ Basic dynamic load rating: 3040 KGF
✅ Basic static load rating: 7070 KGF

Dimensions (mm)

d D C
55 63 20

💡 Why use shell type needle roller bearings in high load compact drive systems?
Shell type needle bearings are selected when space is tight and load strength still matters.

• Thin outer shell allows smaller housing designs

• Needle rollers provide higher radial load capacity than ball bearings of similar size

• Works well with hardened shafts as the raceway surface

• Supports gearboxes and transmission shafts in compact layouts

A strong choice for tight mechanical builds where high load handling and space savings help improve overall system performance.