Caged Machined Needle Roller RNA49/42 Single Bearing, 50 mm ID x 65 mm OD x 22 mm Width, High Carbon Steel, With Oil Hole, Open Metric Series, Heavy Load Capacity

Caged machined needle roller, single metric bearing
✔️ 50 mm ID x 65 mm OD x 22 mm W; oil hole; open caged type

This single caged machined needle roller bearing RNA49/42 is made from high carbon steel for heavy radial loads in tight spaces. Ideal for linear slide units, compact gearboxes, and transmissions.

✅ Model: RNA49/42 (RNA49 Metric Series)
✅ Inner/Outer/Width: 50 mm × 65 mm × 22 mm
✅ Material: High carbon steel, open caged type
✅ Load ratings: Dynamic 42500 N, Static 70300 N
✅ Max speed: 8000 rpm; single-row needle rollers
✅ Features: Oil hole for continuous lubrication; can replace sealed ball bearing in tight areas
✅ Typical uses: linear slide unit, transmissions, compact gearboxes
✅ Pack size: single bearing, sold each

💡 What is a needle roller bearing used for in compact linear slide units? Needle roller bearings deliver high radial capacity in a very low-profile design. - Provides strong radial load support in small envelope spaces, perfect for linear slide unit layouts. - Acts as a compact alternative to sealed ball bearing assemblies where axial space is limited. - Oil hole and proper lubrication boost service life; compatible with ceramic rollers or hardened races for durability.