290x50/100mm Rubber Centrifugal Expansion Wheel working with 2"/4"x36" Sanding Sleeves Belts 915x50/100mm

Technical Specifications

• Outer Diameter: 290 mm (~11.4 inches)
• Available Widths: 50 mm (2") and 100 mm (4")
• Standard Bore (Inner Hole): 25 mm (Custom shaft bore diameters available upon request)
• Rubber Hardness: 55 Shore A (Combines firm backing pressure for aggressive stock removal with contour flexibility; custom durometers available)
• Maximum Operating Speed: Up to 2,800 RPM
• Working Mechanism: Dynamic centrifugal expansion automatically locks abrasive belts firmly in place under operational rotation without mechanical clamps or set screws, allowing quick, tool-free belt replacement when stopped.

Companion Sanding Belts & Sleeves (Sold Separately)

• For 290x50 mm Wheel: Uses 915 x 50 mm (2" x 36") abrasive sanding belts and conditioning sleeves
• For 290x100 mm Wheel: Uses 915 x 100 mm (4" x 36") abrasive sanding belts and conditioning sleeves
• Compatible Abrasive Media: Heavy-duty ceramic, zirconia, aluminum oxide, 3M Trizact, non-woven nylon surface conditioning, and seamless wool felt polishing belts.

Key Applications

• Metal Fabrication: Stainless steel pipe finishing, structural weld blending, edge deburring, and uniform graining on bench grinders and finishing lathes.
• Woodworking & Composites: Rapid stock removal, contoured workpiece shaping, curved edge leveling, and intermediate fine sanding.