Single inner ring for needle roller bearing LRTZ809055 - Metric 80 mm ID x 90 mm OD x 55 mm Width, high carbon steel race, fits RNA6916UU, replacement for linear slide units and machinery

Single metric inner ring 80 x 90 x 55 mm for needle bearings
✔️ 80 mm ID, 90 mm OD, 55 mm width; high carbon steel, single unit

This single machined inner ring serves as the inner race for metric needle roller bearings, commonly used in linear slide units, gearboxes and industrial machinery where sealed ball bearing options aren't ideal.

✅ Model LRTZ809055, metric series, machined inner ring
✅ Bore 80 mm, OD 90 mm, width 55 mm
✅ High carbon steel material for general machine use
✅ Designed to assemble with RNA6916UU needle roller units
✅ Ideal for linear slide unit applications and equipment

💡 What is an inner ring for needle roller bearings used for in linear slide units and machinery? An inner ring gives needle rollers a hardened, accurate raceway so the system runs smoothly and carries radial loads efficiently. Quick overview: - Provides a precise bearing surface and evens out load distribution for longer service life. - Reduces play and improves motion control in linear slide units, shafts, and housings. - Can be paired with sealed ball bearing setups or ceramic elements when specific sealing or low-friction needs are required.