YB45/SL3 Needle Roller Bearing - Single Shell Grease-Retained Uncaged, Inch Series; 1/4 in (6.35 mm) Bore, 7/16 in (11.11 mm) OD, 0.312 in (7.92 mm) Width for Linear Slide Units and Gearboxes

YB45/SL3 needle roller bearing, single unit, inch series
✔️ Shell grease-retained; 1/4in(6.35mm),7/16in(11.11mm),0.312in(7.92mm)

This single needle roller bearing is a shell-type, grease-retained uncaged unit used in compact linear slide units, small gearboxes, and shaft supports. Ships as one bearing each.

✅ Material: Chromium molybdenum steel
✅ Series/model: YB Inch Series, model YB45/SL3
✅ Type: Shell, grease-retained, uncaged needle roller
✅ Dimensions: Bore 1/4 in (6.35 mm); OD 7/16 in (11.11 mm); Width 0.312 in (7.92 mm)
✅ Applications: linear slide units, transmissions, cam followers
✅ Packaging: single bearing, sold each; typically ships in 1 day

💡 What is a needle roller bearing used for in compact linear slide unit applications? Needle roller bearings provide high radial load capacity in a very low-profile package and are handy when space is tight. Here are the key points: - High radial load capacity for compact linear slide units and small gearboxes, improving smooth motion and life - Low sectional height supports tight assemblies in automotive, industrial actuators, and cam followers - Shell-type grease-retained uncaged designs simplify installation and maintenance compared to sealed ball bearing options - Consider ceramic rollers or sealed ball bearing alternatives for high-speed or low-friction requirements