IR-1816 Needle Roller Bearing Inner Ring Featuring Dead Hard Ground Raceway Designed For Drawn Cup Units With 1-1/8 Inch Center Hole 1-3/8 Inch Shell And 1 Inch Span For Rig Repair And Trucking Service

Hardened needle roller inner raceway fixes draw cup kits
✔️ Ground steel ring joins draw cup kits with 1-1/8 hole and 1 inch span

This tough inner ring acts as a direct replacement for the original raceway when your truck shaft shows wear. You press it inside drawn cup needle roller bearing housings to restore smooth rotation in heavy duty truck transmissions and farm equipment. The loose transition fit slides onto the shaft without binding, letting you reload the unit quickly on site.

✅ Dead hard ground raceway surface keeps needles rolling smoothly
✅ Loose transition fit mounts readily onto factory shafts
✅ Matches inch series drawn cup bearing replacement kits
✅ Direct drop in fix for rig repair and trucking service applications

💡 What makes a needle roller inner raceway so handy for rebuilding heavy machinery gearboxes?

This hardened precision part takes the road rash off your worn shaft so your draw cup bearing kit lasts way longer.

- The dead hard ground raceway keeps the needles sliding low friction even under massive torque.
- You slide it straight on thanks to the loose transition fit that skips the messy shop press steps.
- Your rig transmission or farm pump runs smoother since the inner ring pins everything down tight inside the housing.