Fuperoo 2-Wheel Trolley Assembly Rollers,Upgraded Dual Bearing & Rustproof Metal Plate,Strut Channel Rollers Trolley for use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel(2pcs)

Fuperoo 2-Wheel Trolley Assembly Rollers,Upgraded Dual Bearing & Rustproof Metal Plate,Strut Channel Rollers Trolley for use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel(2pcs)

• 【Strut Trolley Rollers Rated Load Capacity】 At 300 RPM: 220 lbs | 400 RPM: 810 lbs | 50 RPM: 630 lbs | 25 RPM: 780 lbs. Ultimate break strength: 3245 lbs - guaranteed safety. （The human walking speed is approximately 55 RPM.）
• 【Bearing Trolley Assembly Material】 Rubber-sealed low-speed bearings - Higher-cost design allows grease maintenance with superior sealing.Material Constructed from *galvanized solid steel* with exceptional toughness, corrosion/wear resistance, and impact resistance.
• Trolley top：accommodates screw heads (max 0.5"W×0.2"H). Note！ If the holes on the back of the 1-5/8" high Strut Channel are too large, the screws will pass through the holes.resulting in failure to secure properly.
• 2 x 0.43"（11mm） mounting holes for secure fastening and flexible applications.【Click 'Visit the Fuperoo Store' above to explore our full range of trolley rollers - you'll definitely find your perfect match】