RNA4904 Single Caged Needle Roller Bearing Machined Type 25 x 37 x 17 mm High Carbon Steel with Oil Hole for Linear Slide Units and Industrial Machinery

Single RNA4904 caged needle roller bearing 25x37x17 mm
✔️ 25 mm I.D., 37 mm O.D., 17 mm W, machined cage, oil hole

This is a single machined type caged needle roller bearing for linear slide units and industrial machinery, ideal where high radial load capacity in compact spaces is needed.

✅ Model: RNA4904
✅ Type: Machined caged needle roller, 1 row
✅ Bore: 25 mm I.D.; Outer diameter: 37 mm O.D.; Width: 17 mm W
✅ Material: High carbon steel, open design with oil hole
✅ Dynamic load capacity: 21,000 N; Static: 25,000 N
✅ Max speed: 16,000 rpm; Series: RNA49 metric series
✅ Pack: single bearing each; weight 0.120 lb

💡 How do needle roller bearings improve linear slide unit performance? Needle roller bearings give high radial load support in tight spaces and are handy for compact machinery. - Higher load capacity per size than many sealed ball bearing options, ideal for linear slide unit setups. - Thin cross section saves space for lower profile designs in machine tools and conveyors. - Open machined cages with oil holes allow easy lubrication for long service life.