3 Inch Medium Duty Iron Core Polyurethane Rigid Casters

Specifications:
- Capacity: 220 lbs (100 kg)
- Wheel Size: 3″ (75mm)
- Overall Height: 4″ (108mm)
- Tread Material: Iron Core Polyurethane (PU)
- SKU: EF01-11-075R-402

Key Features:
- Medium-Duty Balance: 220 lbs (100 kg) rating with 3″ (75 mm) wheel 鈥 the sweet spot between effortless rolling and genuine load strength.
- Iron-Core Polyurethane: Pressed iron core plus PU tread balances load strength 220 lbs (100 kg) with floor-safe contact and long wear life.
- 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: 4.3″ (108 mm) installed height keeps equipment centers of gravity low and clearances unchanged 鈥 mobility without redesign.

Ideal Applications:
A versatile family covering platform trucks to airport dollies:
- Platform Trucks & Dollies: warehouse and logistics platform carts.
- Airport Ground Support: baggage and catering dollies (airport-wheel options).
- Retail & Kiosk Fixtures: displays needing braking and leveling.
- Equipment Leveling: adjustable/low-CG casters for specialized machinery.

Why Choose This Caster (Our Advantages):
- Our broadest medium-duty platform 鈥 21 sub-series let you standardize procurement across many applications with a single OEM partner.
- 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.