RNA6904 Machined Needle Roller Bearing Single Unit 25 mm ID x 37 mm OD x 30 mm Width Caged High Carbon Steel Oil Hole Metric Series for Linear Slide Units

RNA6904 Machined Needle Roller Bearing, single unit
✔️ 25 mm ID x 37 mm OD x 30 mm W; caged machined type; oil hole

Single machined, caged needle roller bearing ideal for compact linear slide units, transmissions, and small gearboxes. Built for tight spaces that need strong radial load support.

✅ Model RNA6904, RNA69 metric series, single bearing
✅ Inner diameter 25 mm, outer diameter 37 mm, width 30 mm
✅ Material high carbon steel with oil holes for lubrication
✅ Dynamic load capacity 35400 N; static load capacity 48900 N; max 16000 rpm
✅ Single row, caged machined needle rollers for precise alignment

💡 What is a needle roller bearing used for in compact linear slide units and small gearboxes? Needle roller bearings provide high radial load capacity in a very small radial envelope for precision equipment. Short intro: They are handy where space is tight but load demands are high. - Ideal for linear slide unit applications that require compact form factor and strong radial support - Common in small gearboxes and transmissions to reduce friction and improve load distribution compared to sealed ball bearing options - Caged machined needle bearings are handy for alignment and often include oil holes for re-lubrication and longer service life