Eight Millimeter Bore Bearing With Thirty Four Millimeter Round Pulley U Groove Track Roller Bearing Eight By Thirty Four By Ten Point Five Millimeters Metric Size For Smooth Linear Motion In Precision Machinery Steel Ball Bearing

8mm Bore Bearing with 34mm U-Groove Pulley
✔️ 8x34x10.5mm metric rail roller bearing, 1 pc pack

This compact 8x34x10.5 mm round pulley U-groove track roller bearing is built for guiding motion in tight spaces, commonly used in linear motion guides, small conveyors, printer rails, and hobby CNC setups.

✅ Inner bore: 8 mm
✅ Outer diameter: 34 mm
✅ Width: 10.5 mm
✅ U-groove track roller compatible with 34 mm round pulleys
✅ Steel ball bearing for smooth operation

💡 What is a U-Groove track roller bearing used for in small linear motion systems?

This handy piece keeps guided motion steady in compact machines and setups.

• Uses standard 8 mm bore shafts and 34 mm round pulleys for easy retrofit
• Low-friction operation helps extend life in conveyors and printer rails
• Ideal for lightweight automation, hobby CNC, and tabletop projects
• Durable steel ball bearing construction supports repeated cycles