IRT1012 Inner Ring for Shell-Type Needle Roller Bearing, Metric 10 mm ID x 13 mm OD x 12.5 mm Width, High Carbon Steel, Fits TLA1312Z, Precision Ground Replacement, Single Piece

IRT1012 inner ring, metric 10 mm ID precision part
✔️ 10 mm ID x 13 mm OD x 12.5 mm W; high carbon steel; single piece

This single IRT1012 inner ring is a precision replacement for shell-type needle roller bearings, often used in linear slide units, sealed ball bearing housings, and compact machinery. Fits TLA1312Z assemblies.

✅ Model: IRT1012, Metric IRT series
✅ Bore type: Tapered bore
✅ Dimensions: 10 mm ID x 13 mm OD x 12.5 mm width
✅ Material: High carbon steel, precision ground raceway
✅ Application: For assembly with TLA1312Z shell-type needle roller bearings
✅ Pack: Single inner ring; approx. 4.5 g each

💡 What is an inner ring used for in needle roller bearings and linear slide units? An inner ring provides the precise raceway that needle rollers roll against, letting compact bearings handle radial loads with consistent contact and reduced wear. Here's why it's handy: - Supports radial load transfer in needle roller bearings and linear slide units - Supplies a precision contact surface for sealed ball bearing configurations or ceramic hybrid setups - Simplifies replacement and repair in shell-type assemblies like TLA1312Z