IRT1212 Needle Bearing Inner Ring 12x15x12.5mm
UPC: 00193019202456
Type: Needle Roller Bearing Inner ring
Standerd: Metric
Inner (ID): 12mm
Outer (OD): 15mm
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:
| Inside (ID) | Outside (OD) | Width |
|---|---|---|
| 12mm | 15mm | 12.5mm |
💡 Why do needle bearings often need separate inner rings?
Inner rings are the fix when your shaft isn’t up to spec:
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No need to grind or harden the shaft
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Adds a precise running surface for the rollers
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Helps extend the life of your bearing
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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!