- Easy installation: With spring fixing, assembly is quick and hassle-free. Simply push the spring in or pull it from the opposite side to install the roller into the conveyor frame. - Spring-fixed bearing for heavy use: The roller includes spring bearings inside to withstand demanding industrial conditions and heavy transport tasks. Maximum load capacity: 80 kg / 170 lbs. Shaft diameter: 12 mm. - Quick replacement and maintenance: Built-in spring enables convenient installation and removal of replacement conveyor rollers, reducing downtime and saving time and energy in a busy workshop. - Durable and quiet operation: The roller features a zinc coated surface for enhanced anti-rust protection and long service life. It operates quietly with minimal vibration to keep work smooth and efficient. - Specifications: Maximum load capacity 80 kg / 170 lbs; Shaft diameter 12 mm; Zinc coating on surface; Spring-fixed bearings inside. - Use scenarios: - Manufacturing and assembly lines requiring reliable transport of heavy components. - Warehousing and物流 operations where frequent roller replacement is needed to maintain throughput. - Maintenance and repair environments where quick, tool-free roller swaps minimize downtime and keep lines running.