Break strength: 3969 lbs. Heavy Duty Industrial Strength. The Roller trolley is suitable for: all 1-5/8" or higher pillar channels 1-5/8 Inch Strut Rollers Hemoton 2 Sets 4 Wheel Silent Trolley Assembly Rollers Four Bearing Trolley Assembly Track Roller Wheels Accessory Parts Bolt Lifting Eye Nuts Strut Channel Wheels Unistrut trolley rollers is smooth and can be easily installed in a standard single groove, keeping it centered in the groove with good side clearance, so the bolt will not rub or get stuck in the groove Durable and Rust-resistant: Constructed from solid hot-rolled carbon steel, it offers superior impact resistance, resists breakage and deformation, operates smoothly and quietly, and delivers long-lasting performance Unistrut Trolley Sourcing Map Two Bearing Trolley Assembly – Pack Versatile Application: Chain hoist pulleys are suitable for multiple scenarios, capable of being installed on ceiling track systems or electric lifts
