150 Mm 6" Iron Core Heavy-duty Industrial Caster 450kg Loaded Ball Bearing Over-5T Die Storage Racks

K01 Series — 6" (150 mm / 6 inch) Heavy Duty Caster

Iron Core Polyurethane (PU) · Shore 95A · Galvanized 5.5 mm Bracket · No Spring (Rigid)

1. Product Overview

The K01 6" (150 mm / 6 inch) is a heavy-duty industrial caster built around an iron-core polyurethane (PU) wheel in Shore 95A. With a load capacity of 450 kg per caster (1800 kg on a standard 4-caster system), it is the the medium-heavy workhorse — the go-to size for mould shops, foundries and transformer handling where floor clearance and capacity both matter. The 50 mm wide tread, 5.5 mm galvanized steel bracket and precision ball bearing deliver stable, maintenance-free rolling for everyday heavy material handling.

2. Technical Specifications

3. Features & Advantages

·         Iron Core + PU Tread: the steel core carries the load while the polyurethane tread rolls smoothly, resists wear and protects the floor.

·         Shore 95A Polyurethane: high hardness for excellent load support and abrasion resistance, with good oil- and chemical-resistance.

·         5.5 mm Galvanized Bracket: thick, cold-pressed steel bracket with zinc plating for strength and corrosion resistance in demanding environments.

·         Precision Ball Bearing: low-friction rolling for easy push/pull and long service life under continuous use.

·         50 mm Wide Tread: wider contact patch than standard 40 mm wheels for better stability and reduced ground pressure.

·         Rigid, No-Spring Design: no moving suspension parts — simple, rugged and reliable for static or slow-moving loads.

4. Why the Iron Core Wheel Matters

The iron (steel) core is the structural backbone of the wheel. It supports the heavy load without deforming, transfers weight evenly to the bearings and bracket, and keeps the wheel running true under continuous rolling.

Important Applications & Load Limits

·         Best for: steel plants, foundries, mould & die shops, transformer/substation handling, heavy machinery bases and other high-load, low-speed environments.

·         Not recommended for: extremely wet, marine or chemical-washdown environments (choose stainless/anti-corrosion option); shock-sensitive precision loads requiring spring suspension (choose our A04 / A05 dual-spring series); delicate polished floors where a softer or aluminium-core wheel is preferred.

This caster is a rigid, non-spring type. It is designed for stable support and straight rolling — if your route involves expansion joints, uneven floors or frequent impact, consider our shock-absorbing spring-suspension models.

5. Application Scenarios — Products & Environments (6" (150 mm / 6 inch))

The K01 6" (150 mm / 6 inch) is purpose-built for the following uses. Specific products and environments are listed for SEO coverage:

Mould & Die Shops

injection-mould base trolleys, die carts, mould carriers, stamping-die transfer trolleys, over-5T die storage racks, mould-change handling rigs.

Foundry & Forging

ladle transfer cars, ingot & billet handling trolleys, crucible transport carts, heavy-casting handling bogies, sand-mould conveyor trolleys.

Power & Electrical

transformer dollies, switchgear dollies, generator-component carts, substation maintenance trolleys, capacitor-bank handling frames.

Steel & Metal Service

steel-coil transfer cars, sheet-metal handling trolleys, steel-plate transport dollies, aluminium-extrusion handling carts.

Machinery & Maintenance

medium-heavy machinery bases, press-brake dollies, crusher & kiln maintenance trolleys, cement-plant repair carts.

6. Series Common Parameters

7. Custom Orders & Factory Strength

We welcome custom orders — different wheel materials (PU / rubber / phenolic / nylon), different bracket thicknesses (4 mm / 5 mm / 5.5 mm / 8 mm and beyond), combined with various top-plate and mounting options to match your exact requirements.

·         Low MOQ — just 4 pieces per order.

·         Free logo printing on bracket or top plate.

·         Free sample available for testing before bulk order.

·         Test report provided (load, bearing, hardness, dimension).

·         10+ years of experience as a professional heavy-duty industrial caster manufacturer.

·         Trusted cooperation brands: BYD, Chery, XPeng, and SAIC Volkswagen.

Appendix — SEO Keywords (6" (150 mm / 6 inch))

A. SEO Meta (for this size)

·         Title: K01 6 Inch Heavy Duty Caster 450kg - Iron Core Polyurethane, 6204 Bearing | Mold Cart Caster

·         URL slug: /products/k01-6-inch-150mm-450kg-pu-caster

·         Description: K01 6" (150mm) iron core PU caster, 450kg per wheel, Shore 95A, 5.5mm galvanized bracket. Designed for mould carts, die carriers, foundry transfer trolleys, transformer & switchgear dollies, steel coil cars. MOQ 4 pcs, free logo, free samples, test reports. 10+ years factory, supplier to BYD, Chery, XPeng & SAIC Volkswagen.

B. Core Product Keywords

heavy duty caster wheel, industrial caster wheel, iron core PU caster, polyurethane caster wheel, K01 series caster, galvanized bracket caster, Shore 95A polyurethane caster, rigid caster no spring, caster manufacturer China, OEM caster, custom caster wheel, free sample caster, MOQ 4 caster.

C. Size-Specific Long-Tail Keywords

6 inch heavy duty caster 450kg, 150mm iron core polyurethane caster, 6" mould cart caster, injection mould trolley caster, die cart caster wheel, foundry transfer trolley caster, transformer dolly caster, steel coil transfer car caster, switchgear dolly wheel, casting handling bogie caster, Shore 95A 150mm caster.

D. Application Keywords

workbench caster, tool chest caster, industrial trolley wheel, material handling caster, warehouse cart caster, assembly line caster, mold cart caster, foundry caster, transformer dolly caster, steel coil transfer caster, shipbuilding caster, wind energy caster, heavy machinery caster, food service cart caster.

E. Sourcing & Factory Keywords

caster manufacturer China, caster factory, OEM caster, ODM caster, custom caster wheel, caster with logo printing, free sample caster, MOQ 4 caster, caster test report, BYD, Chery, XPeng, and SAIC Volkswagen caster supplier, BYD caster supplier, Chery caster supplier, XPeng caster supplier, SAIC Volkswagen caster supplier.

F. Hashtags

#HeavyDutyCaster #IronCorePUCaster #PolyurethaneCaster #IndustrialCaster #Shore95A #GalvanizedBracket #6203Bearing #6204Bearing #WorkbenchCaster #MoldCartCaster #TransformerDolly #FoundryCaster #ShipbuildingCaster #CasterManufacturer #CasterFactory #OEMCaster #CustomCaster 

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