LRT172216 Metric Inner Ring, 17 mm ID 22 mm OD 16 mm Width, High-Carbon Steel single inner race for needle roller bearing assemblies; fits RNAF223516, machined tapered bore, linear slide unit use

Metric inner ring LRT172216, single piece 17x22x16
✔️ High-carbon steel ring, machined tapered bore, fits RNAF223516

This single inner ring (LRT172216) is a machined metric inner race with 17 mm ID, 22 mm OD and 16 mm width. It mates with RNAF223516 needle roller assemblies and is commonly used in linear slide units, transmissions and light industrial gear.

✅ Part number: LRT172216 inner ring (metric)
✅ Dimensions: 17 mm ID, 22 mm OD, 16 mm width
✅ Material: high-carbon steel, hardened machined race
✅ Bore: tapered (machined) for assembly with RNAF223516
✅ Use cases: needle roller bearings, linear slide unit, transmissions
✅ Pack: single inner ring, sold individually

💡 What is an inner ring used for in needle roller bearings and linear slide units? An inner ring provides the precision raceway and support for needle rollers, stabilizing shafts in tight assemblies. Here's why inner rings are handy: - They give a hardened raceway that improves load sharing and reduces wear in needle roller and sealed ball bearing setups. - Machined tapered bore options let you fit the ring to shafts or housings for linear slide unit and motion control systems. - Using a proper inner race simplifies rebuilds and maintenance for transmissions, gearboxes, and light industrial machinery.