RNA6902 Machined Needle Roller Bearing Single Unit 20 mm ID x 28 mm OD x 23 mm W, Caged Machined Type, High Carbon Steel with Oil Holes, Open Single Row for Linear Slide Units

Machined RNA6902 needle roller bearing, 1 pc 20 x 28 x 23 mm
✔️ High carbon steel caged bearing with oil holes, 20 x 28 x 23 mm

Single open caged needle roller bearing for radial load support in linear slide units, conveyors, and machine tools. Ideal for compact shafts and tight mounting spaces.

✅ RNA6902, RNA69 Metric Series, caged machined type
✅ Dimensions: 20 mm ID x 28 mm OD x 23 mm width
✅ Material: high carbon steel, open enclosure with oil holes for lubrication
✅ Load capacity: dynamic 19,300 N, static 28,800 N; single-row design
✅ Maximum speed up to 20,000 rpm; single bearing (1 pc) for linear slide unit use
✅ Not a sealed ball bearing; compact needle profile suits tight shafts and heavy radial loads

💡 What is a needle roller bearing used for in linear slide units? Needle roller bearings give compact, high-radial-load support for narrow assemblies and are handy where space and load matter. Here's why they're handy: - Compact radial support for tight linear slide unit and guide systems - Higher radial load capacity compared to many sealed ball bearing options - Caged machined types reduce friction and perform well at higher speeds while allowing oil-hole lubrication - Open designs let you re-lube or service the bearing during maintenance