HK4020 Needle Roller Bearing 40x47x20mm - Shell-Type

These shell-type needle roller bearings are compact, high-load bearings designed for tight spaces in machinery. They’re used in compact drives, robotics joints, printers, and conveyors where smooth rotation is important.

✅ Inner diameter (ID): 40 mm (1.575 in)
✅ Outer diameter (OD): 47 mm (1.85 in)
✅ Width: 20 mm (0.787 in)
✅ Type: Shell-Type Needle Roller Bearing
✅ Dynamic load rating: 22.1 kN
✅ Static load rating: 48.2 kN
✅ Quantity: One bearing

💡 What is a needle roller bearing used for in compact machinery? Handy overview for buyers.

Needle roller bearings are a compact solution for handling heavy loads in small packages.

• High load capacity in a compact footprint due to needle rollers
• Shell-type housing enables easy mounting and maintenance
• Requires proper lubrication to minimize wear and heat during operation
• Common in conveyors, robotics joints, and small gear trains