3 Inch Light Duty Premium Polyurethane Bolt Hole Swivel Casters

Key Features:

- Light-Duty Efficiency: 130 lbs (60 kg) capacity in a compact 3″ (75 mm) footprint  mobility that barely changes equipment height or weight.
– Premium Non-Marking Polyurethane Tread: The Premium Polyurethane wheel delivers whisper-quiet rolling and zero scuffing on epoxy, tile and polished concrete, keeping floors showroom-clean.
– Precision Ball Bearings: Sealed ball raceways cut rolling resistance to a minimum  smooth starts, effortless direction changes and long, quiet service life.
– Bolt-Hole Kingpin: A single through-bolt mounts to tubing or flat stock in seconds  fast field installation and easy caster swaps.
– Compact Overall Height: 4.2″ (106 mm) installed height keeps equipment centers of gravity low and clearances unchanged  mobility without redesign.

Ideal Applications:
Purpose-built for vertical-transport service:
– Elevator Maintenance Carts: machine-room and shaft service trolleys.
– Escalator Service Platforms: mobile repair and inspection equipment.
– Scissor Lifts & Lifting Platforms: guided wheel support units.
– Dumbwaiter & Hoist Systems: small freight-lift servicing.

Why Choose This Caster (Our Advantages):
– Specialized elevator-industry tooling with rail-guided wheel profiles  a focused OEM niche backed by consistent PU durometer and batch quality.
– Factory-Direct Hard Strength: Established 1988, Globe Caster operates a 156,000 m2 manufacturing base with 500+ employees and in-house hardware, injection-molding and PU-pouring workshops. ISO 9001 & ISO 14001 certified with 100+ national patents, we support full OEM/ODM customization and reliable global B2B supply across North America, Latin America, Europe and Asia-Pacific.