IRT1220-1 Needle Bearing Inner Ring 12x16x20.5mm

IRT1220-1 Needle Roller Inner Ring
✔️ 12mm x 16mm x 20.5mm precision-machined steel ring

The IRT1220-1 is a precision inner ring made to pair with needle roller bearings. It’s designed for setups where the shaft surface isn’t suitable for direct bearing contact. Ideal for high-speed and high-load applications, this inner ring helps reduce friction, extend bearing life, and ensure smooth operation.

✅ Type: Inner Ring for needle roller bearings
✅ Size: 12mm ID x 16mm OD x 20.5mm Width
✅ Made for: Applications with hardened shafts or unsupported contact
✅ Material: Hardened steel for wear resistance
✅ Standard: Metric
✅ Sold as one ring

Dimensions (mm):

💡 What’s the purpose of using an inner ring with a needle roller bearing?
Using an inner ring improves performance in critical spots:

• Provides a hardened surface when the shaft isn’t suitable

• Extends bearing life by reducing wear

• Helps maintain proper roller alignment

• Speeds up service and replacement

If your shaft isn’t ready for direct bearing use, this inner ring makes sure your setup runs true. Go ahead, add it to your toolbox today!