Machined Caged Needle Roller Bearing RNA4920 - Single Bearing, 115 mm ID x 140 mm OD x 40 mm Width, High Carbon Steel with Oil Hole, 1-row for Linear Slide Units and Industrial Drives

Machined caged needle roller bearing, single unit
✔️ 115 mm ID x 140 mm OD x 40 mm width, high carbon steel

This machined caged RNA4920 single bearing is an open high-carbon steel needle roller used in industrial gearboxes, linear slide units, and drive shafts. Pack: 1 bearing per order.

✅ Model: RNA4920, RNA49 metric series
✅ Inner diameter (ID): 115 mm
✅ Outer diameter (OD): 140 mm
✅ Width: 40 mm
✅ Material: high carbon steel, open enclosure, with oil holes
✅ Dynamic load capacity: 145000 N; static capacity: 329000 N
✅ Max speed: 3500 rpm; rows: 1
✅ Weight: 2.62 lb; pack: single bearing per order

💡 What are the benefits of needle roller bearings in linear slide units and industrial drives? They deliver high radial load capacity in tight spaces and are handy for heavy-duty applications. - High radial load capacity improves lifespan in linear slide unit installations and industrial drives. - Often outperform sealed ball bearing setups for radial-heavy loads; consider ceramic elements for low-friction needs. - Oil holes and open enclosure make maintenance and relubrication straightforward for field service.