Metric inner ring IRT5545, 55 mm ID x 65 mm OD x 45.5 mm W, high carbon steel single unit for shell-type needle roller bearing, replacement inner race, fits TAW6545Z, IRT metric series

Metric inner ring IRT5545, 55 mm ID x 65 mm OD
✔️ High carbon steel, 45.5 mm width, shell-type, single unit

This single inner ring (inner race) IRT5545 is a metric replacement part for shell-type needle roller bearings, commonly used in linear slide units, transmissions and industrial gearboxes.

✅ Model: IRT5545 (IRT Metric Series)
✅ Bore (ID): 55 mm
✅ Outside diameter (OD): 65 mm
✅ Width: 45.5 mm
✅ Material: High carbon steel
✅ Fits shell-type TAW6545Z needle roller assemblies
✅ Single unit pack, replacement inner ring for bearing housings and linear slide units

💡 What is an inner ring used for in a shell-type needle roller bearing? An inner ring provides a hardened raceway and support for rollers to transfer radial loads precisely. - Supports needle rollers and enables reliable radial load carrying in bearings and linear slide units. - Acts as a replaceable raceway inside shell housings, handy for quick maintenance and part swaps. - Helps maintain alignment in sealed ball bearing assemblies and industrial gearbox applications.