IRT6030 Inner Ring for Shell Type Needle Roller Bearing, Metric 60 mm ID x 70 mm OD x 30.5 mm W, High Carbon Steel, Fits TA7030Z, Single unit for assembly

IRT6030 inner ring, metric 60x70x30.5 mm single unit
✔️ Tapered bore, 60 mm ID, 70 mm OD, 30.5 mm W, high carbon steel

This single inner ring is the replacement inner race for shell-type needle roller bearings, used in bearing housings, linear slide units, and industrial assemblies that require a tapered bore fit.

✅ Model: IRT6030 inner ring (metric series)
✅ Bore type: tapered i.d. for press-fit assemblies
✅ Dimensions: 60 mm ID x 70 mm OD x 30.5 mm width
✅ Material: high carbon steel, hardened raceway
✅ Fits shell type housings and mates with TA7030Z
✅ Pack: single inner ring (1 piece), approx. 0.53 lb
✅ Suited for heavy-duty automation, linear slide unit guides, machinery
✅ Can be used in builds with ceramic or hybrid roller options

💡 What is an inner ring used for in needle roller bearing assemblies? An inner ring gives rollers a hardened running surface and a precise, handy fit for accurate load transfer. - Acts as the raceway for needle rollers, improving wear resistance and longevity. - Provides the correct taper and press-fit for shell-type housings and linear slide unit modules. - Commonly used in gearboxes, actuators, and machinery where compact radial bearings are needed. - Not a sealed ball bearing; it’s an inner race that pairs with needle roller shells for full bearing assembly.