IRT1216-1 Needle Bearing Inner Ring 12x16x16.5mm

Inner Ring for Needle Bearings 12mm ID
✔️ IRT1216-1 - 16mm OD, Extra-Wide for Heavy-Duty Builds

The IRT1216-1 inner ring is a tough, metric-sized component designed for needle roller bearings where a hardened shaft isn’t an option. With its wider 16.5mm body and 16mm outer diameter, it provides a strong, smooth raceway that keeps your bearing running reliably. Sold as one precision-machined ring.

✅ Pack size: 1 inner ring
✅ Inner diameter: 12mm
✅ Outer diameter: 16mm
✅ Width: 16.5mm
✅ Precision-ground finish for low wear
✅ Metric sizing for compatibility

Dimension Table:

💡 Why choose an extra-wide needle bearing inner ring?
Wider inner rings offer better support and race surface area:

• Helps reduce edge loading in demanding setups

• Creates more surface for the rollers to run smoothly

• Great for retrofits or oversized needle bearings

• Avoids the need to modify or harden the shaft

If you want serious support in a tight build, this ring is the move, grab it today and keep your machine running smooth!