4 Inch Medium Duty Premium Polyurethane Rigid Casters

Specifications:
- Capacity: 440 lbs (200 kg)
- Wheel Size: 4″ (100mm)
- Overall Height: 6″ (140mm)
- Top Plate Size: 114x100mm
- Tread Material: Premium Polyurethane (PU)
- SKU: EG01-11-100R-302

Key Features:
- Medium-Duty Balance: 440 lbs (200 kg) rating with 4″ (100 mm) wheel 鈥 the sweet spot between effortless rolling and genuine load strength.
- 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.
- Plain-Bore Hub (Bearingless): The simple machined bore runs directly on the axle 鈥 the most economical, shock-tolerant and maintenance-free construction for light duty.
- Rigid (Fixed) Frame: Fixed orientation tracks dead-straight under load 鈥 the stable, economical choice for straight-line transport lanes.
- Compact Overall Height: 5.5″ (140 mm) installed height keeps equipment centers of gravity low and clearances unchanged 鈥 mobility without redesign.

Ideal Applications:
Engineered for heavier carts and industrial transport:
- Heavy Platform Trucks: high-capacity warehouse platform carts.
- Industrial Line-Side Trolleys: factory material-handling transport.
- Machine Bases: mobile foundations for medium machinery.
- Distribution Centers: bulk carton and item-moving carts.

Why Choose This Caster (Our Advantages):
- Positioned between medium and heavy lines, it delivers heavy-duty rigidity at medium-duty cost 鈥 ideal for value-optimized OEM builds.
- 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.