4 Inch Iron Core Polyurethane Swivel Casters

Wheel Size	4″ (100mm)
Top Plate Size	140x110mm
Bearing	Ball bearing
Tread Material	Iron Core Polyurethane (PU)
SKU	EK08-17-100S-402

Key Features:

- Iron-Core Polyurethane: Pressed iron core plus PU tread balances load strength with floor-safe contact and long wear life.
– Precision Ball Bearings: Sealed ball raceways cut rolling resistance to a minimum 鈥 smooth starts, effortless direction changes and long, quiet service life.
– Full-Swivel Raceway: Hardened ball raceway gives effortless 360掳 pivoting, letting heavy loads spin in their own footprint for tight-aisle work.

Ideal Applications:
For the heaviest in-plant transport:
– Mold & Die Handling: automotive and appliance tooling transport.
– Heavy Machine Bases: presses, machine tools and fabrication equipment.
– Automotive Assembly Lines: heavy component line-side carts.
– Steel & Fabrication Shops: plate, tube and structural moving carts.

Why Choose This Caster (Our Advantages):
– Up to 5,000 kg per wheel with in-house forged and welded rigging 鈥 we deliver super-heavy reliability with certified quality control and OEM engineering support.
– 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.