Caged Machined Needle Roller Bearing RNA49/28, 32 mm ID x 45 mm OD x 17 mm Width, High Carbon Steel with Oil Hole, Single-Row Open Type for Linear Slide Units, Motors, Gearboxes

Single caged machined needle roller bearing RNA49/28
✔️ 32 mm ID x 45 mm OD x 17 mm W, High Carbon Steel, Oil Hole

This single open, caged machined needle roller bearing is made for compact radial-load applications. It’s commonly used on linear slide units, motor shafts, and gearbox shafts where space is tight.

✅ Model: RNA49/28, RNA49 Metric Series
✅ Inner diameter: 32 mm; Outer diameter: 45 mm; Width: 17 mm
✅ Material: High carbon steel; open enclosure; caged, machined design
✅ Oil hole for lubrication; single-row configuration
✅ Dynamic load capacity: 24,500 N; Static capacity: 32,700 N
✅ Maximum speed: 12,000 rpm; ideal for linear slide unit and motor shaft use
✅ Sold as a single bearing, open type for easy maintenance

💡 What is a needle roller bearing used for in linear slide units and gearboxes? Needle roller bearings give high radial load support in a slim package and are handy for tight assemblies. Quick overview: - Supports heavy radial loads in limited space, an alternative to sealed ball bearing choices. - Works well on motor shafts, gearboxes, and linear slide units; lubrication via oil holes keeps performance steady. - Consider ceramic options for extreme temperature or low-friction needs, or caged machined types for standard industrial service.