4 Inch Medium Duty Iron Core Polyurethane Swivel Casters

Capacity	290 lbs (130 kg)
Wheel Size	4″ (100mm)
Overall Height	5″ (132mm)
Tread Material	Iron Core Polyurethane (PU)
SKU	EF01-11-100S-402

Key Features:

- Medium-Duty Balance: 290 lbs (130 kg) rating with 4″ (100 mm) wheel – the sweet spot between effortless rolling and genuine load strength.
– Iron-Core Polyurethane: Pressed iron core plus PU tread balances load strength 290 lbs (130 kg) with floor-safe contact and long wear life.
– Plain-Bore Hub (Bearingless): The simple machined bore runs directly on the axle – the most economical, shock-tolerant and maintenance-free construction for light duty.
– Full-Swivel Raceway: Hardened ball raceway gives effortless 360° pivoting, letting heavy loads spin in their own footprint for tight-aisle work.
– Compact Overall Height: 5.2″ (132 mm) installed height keeps equipment centers of gravity low and clearances unchanged – 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 – 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.