Single Machined Needle Roller Bearing NA4922, 110 mm ID x 150 mm OD x 40 mm Width, High Carbon Steel Inner Ring with Oil Holes, Caged NA49 Metric Series

Single machined needle roller bearing NA4922
✔️ 110 mm ID x 150 mm OD x 40 mm W, high carbon steel, oil holes

This single machined needle roller bearing includes an inner ring and is made for compact radial load duties in transmissions, gearboxes, compressors, and linear slide units.

✅ Model: NA4922 (NA49 Metric Series)
✅ Type: Caged machined needle roller with inner ring
✅ Dimensions: 110 mm ID x 150 mm OD x 40 mm width
✅ Material: High carbon steel; inner ring included
✅ Oil holes: With oil holes for lubrication access
✅ Load ratings: Dynamic 152000 N, Static 357000 N
✅ Speed & enclosure: Max 3000 rpm; open enclosure
✅ Pack/weight: Single bearing, ~1.0 lb each

💡 What is a needle roller bearing used for in compact linear slide units? Needle roller bearings provide high radial load capacity in tight spaces and are really handy for compact linear slide units and small rotary shafts. Short intro: Practical reasons to choose a needle roller over other options: - High load capacity in a small radial envelope for linear slide unit and shaft applications - Often preferred to sealed ball bearing setups when space and load are limiting factors; caged machined versions ease installation - Consider ceramic elements for very high-speed or thermal stability needs; high carbon steel inner rings offer durable wear resistance - Oil holes enable on-site re-lubrication to extend service life and reduce downtime