Needle Roller RNAFW557240 Separable Cage Bearing, 55 mm ID x 72 mm OD x 40 mm Width, High Carbon Steel with Oil Hole, Twin-Row Caged for Industrial Linear Slide Units, Single Unit

Single needle roller bearing 55 mm x 72 mm x 40 mm
✔️ Twin-row separable cage, high carbon steel, oil holes

This twin-row, caged separable needle roller bearing is built for compact linear slide units, gearboxes, and motor shafts. Single bearing pack for industrial machinery and maintenance.

✅ Model: RNAFW557240 (RNAFW Metric Series)
✅ Inner diameter: 55 mm; Outer diameter: 72 mm; Width: 40 mm
✅ Material: high carbon steel; open enclosure; with oil holes
✅ Dynamic load capacity 64,100 N; Static load capacity 133,000 N
✅ Max speed 9,000 rpm; two rows; separable cage type
✅ Fits linear slide units, sealed ball bearing housings, and compact gearboxes
✅ Single unit pack; weight 0.970 lb; SKU 863069

💡 What is a needle roller bearing used for in linear slide units and compact gearboxes? Needle roller bearings deliver high radial load capacity in tight spaces and are handy where radial clearance is limited. - Ideal for linear slide unit guides, motor shafts, and compact gearbox shafts where space is tight and load is high. - Works alongside sealed ball bearing housings or as a space-saving swap for certain sealed ball bearing setups. - Common in industrial motion systems, transmissions, and compact assemblies where ceramic or larger bearings won't fit.