IRT1212 Needle Bearing Inner Ring 12x15x12.5mm

Inner Ring for Needle Bearings 12mm ID
✔️ IRT1212 - 12.5mm Wide, Precision Fit for Needle Bearings

The IRT1212 inner ring is made to work with needle roller bearings when your shaft isn't hardened or ground. It delivers a clean, smooth raceway surface, keeping your bearing rolling right. Comes as one precision-machined ring.

✅ Pack size: 1 inner ring
✅ Inner diameter: 12mm
✅ Outer diameter: 15mm
✅ Width: 12.5mm
✅ Precision-ground surface
✅ Metric sizing

Dimension Table:

💡 Why do needle bearings often need separate inner rings?
Inner rings are the fix when your shaft isn’t up to spec:

• No need to grind or harden the shaft

• Adds a precise running surface for the rollers

• Helps extend the life of your bearing

• Handy in rebuilds or when using softer shafts

This one’s all about saving you time and keeping your bearing setup smooth, add it to your cart and roll easy!