HF3520 One-Way Needle Bearing/Clutch 35x42x20mm

HF3520 One Way Needle Roller Bearing
✔️ Shell Type - 35mm x 42mm x 20mm for Compact Clutch Applications

The HF3520 is a one-way shell type needle roller bearing designed to transmit torque in one direction while allowing free rotation in the opposite. Its compact design and drawn cup construction make it perfect for indexing systems, starter drives, and overrunning clutches.

✅ Type: One-way needle roller bearing
✅ Style: Shell type (drawn cup)
✅ Inner diameter (bore): 35mm
✅ Outer diameter: 42mm
✅ Width: 20mm
✅ Quantity: 1 bearing

💡 What is a one-way needle bearing used for in mechanical systems?
One-way needle bearings are built for controlled directional movement.

• Lock rotation in one direction, freewheel in the other

• Ideal for clutches, indexing, and starter mechanisms

• Compact for tight-fitting gear systems

• Often used in printing, power tools, and automotive systems

Simple, strong, and directionally smart - grab this HF3520 and let your project move only when you want it to!