Inner ring LRTZ283231 metric 28 mm ID x 32 mm OD x 31 mm width, single high carbon steel inner race for RNA69/28UU needle roller bearing assembly, machined metric series, general usage

Single inner ring LRTZ283231, 28x32x31 mm inner race
✔️ High carbon steel inner ring, machined for RNA69/28UU, 28 mm bore

This single metric inner ring is the replacement inner race for machined type needle roller bearings. It’s typically used in industrial automation, linear slide units, and precision machinery where a dedicated raceway is required.

✅ Model: LRTZ283231, metric series, machined type
✅ Dimensions: 28 mm ID x 32 mm OD x 31 mm width
✅ Material: high carbon steel, hardened raceway for needle rollers
✅ Fits: to assemble with RNA69/28UU needle roller bearing
✅ Pack: single inner ring, weight approx 0.100 lb each

💡 What is an inner ring used for in a needle roller bearing assembly? Inner rings create the raceway surface that needle rollers run on and are handy for proper shaft fits. - Provides a hardened raceway for needle rollers, reducing wear and lowering friction for longer bearing life. - Ensures accurate shaft fit and alignment in machined type needle roller bearings and linear slide units. - Common in industrial, automation, and precision equipment where a separate inner race is required.