Single Metric Inner Race 260 mm ID x 290 mm OD x 100 mm Width for Needle Roller Bearings, Machined High Carbon Steel for RNA4952 Assembly, Industrial General Use

Single Metric Inner Race 260 x 290 x 100 mm
✔️ ID 260 mm, OD 290 mm, Width 100 mm, High Carbon Steel for RNA4952

This single inner race (single piece) is a machined metric inner ring used with needle roller bearings and linear slide unit installations, commonly used in industrial maintenance and general purpose shaft assemblies.

✅ Bore (ID): 260 mm
✅ Outside diameter (OD): 290 mm
✅ Width: 100 mm
✅ Material: High carbon steel, machined inner race
✅ Fits RNA4952 needle roller assemblies, single piece pack

💡 What is an inner ring used for in needle roller bearings? An inner ring gives the rollers a hardened track and helps keep shafts aligned, making assembly and maintenance handy. - Provides a hardened running surface for needle rollers, improving wear life. - Maintains accurate shaft fit for sealed ball bearing housings and linear slide unit setups. - Simplifies assembly with RNA4952-style cartridges and supports proper load distribution. - Often used with high carbon steel inner races and where ceramic rollers or sealed bearings are considered.