IRT1216-1 Needle ベアリング内輪 12x16x165mm

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

寸法表：

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

• 過酷なセットアップにおいてエッジへの負荷を軽減

• ローラーがスムーズに走行するために、より多くの表面を作ります。

• Great for retrofits or oversized needle bearings

• シャフトを改造したり、硬化させたりする必要がない。

タイトな作りで本格的なサポートを求めるなら、このリングが最適だ！