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China factories

China factory - Zhongshan Luma Caster Manufacturing Co., Ltd.

Zhongshan Luma Caster Manufacturing Co., Ltd.

  • China,Zhongshan ,Guangdong
  • Verified Supplier
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  3. Heavy Duty Industrial PU Casters Dual Spring Cast Iron Load Bearing Steel Plated
China Heavy Duty Industrial PU Casters Dual Spring Cast Iron Load Bearing Steel Plated
China Heavy Duty Industrial PU Casters Dual Spring Cast Iron Load Bearing Steel Plated

  1. China Heavy Duty Industrial PU Casters Dual Spring Cast Iron Load Bearing Steel Plated
  2. China Heavy Duty Industrial PU Casters Dual Spring Cast Iron Load Bearing Steel Plated
  3. China Heavy Duty Industrial PU Casters Dual Spring Cast Iron Load Bearing Steel Plated
  4. China Heavy Duty Industrial PU Casters Dual Spring Cast Iron Load Bearing Steel Plated

Heavy Duty Industrial PU Casters Dual Spring Cast Iron Load Bearing Steel Plated

  1. MOQ： 4
  2. Price： USD9.67 brake /USD 7.35 Swivel/USD 6.75. Rigid
  3. Get Latest Price
Payment Terms L/C,wechat,alipay
Supply Ability 100000
Delivery Time 5-10days
Packaging Details bags and cartons
Inches 6 inches
Braketype Brakin Side/ brake/ Swivel/ Fixed
Productname Industrial Wheel Casters
Color Black / Grey / Blue
Usage Industrial Manufacturing/ Warehousing and Logistics /Medical and Healthcare/ Commercial and Retail/ Office and Institutional Settings/ Home and Furniture
Material PU (polyurethane)
Finish Zinc Plated
Bearingtype Ball Bearing
Wheeltype Braking Side brake Swivel Fixed
Mountingtype Top Plate
Sample 1pcs ，price add 50%
Brand Name Luma
Model Number A01-T-1KU-650 / A01-S-1KU-650 / A01-R-1KU-650
Place of Origin Zhongshan Guandong province China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,wechat,alipay Supply Ability 100000
Delivery Time 5-10days Packaging Details bags and cartons
Inches 6 inches Braketype Brakin Side/ brake/ Swivel/ Fixed
Productname Industrial Wheel Casters Color Black / Grey / Blue
Usage Industrial Manufacturing/ Warehousing and Logistics /Medical and Healthcare/ Commercial and Retail/ Office and Institutional Settings/ Home and Furniture Material PU (polyurethane)
Finish Zinc Plated Bearingtype Ball Bearing
Wheeltype Braking Side brake Swivel Fixed Mountingtype Top Plate
Sample 1pcs ，price add 50% Brand Name Luma
Model Number A01-T-1KU-650 / A01-S-1KU-650 / A01-R-1KU-650 Place of Origin Zhongshan Guandong province China
High Light Heavy Duty Industrial PU Casters ，Dual Spring Cast Iron Castor Wheels ，Cast Iron Castor Wheels 6 Inch
Heavy Duty Industrial PU Casters Dual Spring Cast Iron Load Bearing Steel Plated Iron Singel Castors 6" Harbor Freight Tools Casters

In the demanding environment of port terminals and freight yards, equipment mobility is critical for operational efficiency. Selecting the right heavy-duty casters is not just about moving loads—it’s about ensuring safety, durability, and long-term cost savings. This guide will help you navigate the key considerations when choosing industrial casters built to withstand the harsh conditions of port cargo handling.

 

Product Specifications
Braking/Activation/Orientation Braking / Swivel / Fixed
Size 6 inches
Wheel Material PU (polyurethane)
Base Plate Support Material Q235
Bearing 6202 Bearing
Installation Height 202/222
Base Plate Size 138*110
Hole Distance 105*80
Box Size 49*28.5*23.5cm
Matching Specifications
  • Set 1: 2 brakes + 2 fixed
  • Set 2: 2 swivel + 2 fixed

 

1. Why Spring-Dampened Casters are Essential for Port Operations

Port environments are characterized by uneven surfaces, constant impacts, and the need for precise movement of high-value goods. Spring-loaded or dampened casters provide critical benefits:

  • Shock Absorption: They absorb vibrations and impacts when moving over dock gaps, rails, or rough pavement, protecting both the cargo and the equipment itself.
  • Enhanced Stability: The spring mechanism helps distribute the load evenly, reducing the risk of tipping and making it easier to control heavy loads.
  • Equipment Protection: By minimizing shock transmission, they extend the lifespan of the equipment structure and the casters’ wheels.

Bottom Line: For port freight applications, a spring-dampened caster is not just an option—it’s a recommended standard for operational excellence.

2. Top Material Choices for Port & Cargo Handling Casters

The choice of wheel material directly impacts performance, durability, and total cost of ownership. Here are the top materials for heavy-duty port casters:

A. Cast Iron / Cast Steel Wheels
  • Best For: Ultra-heavy-duty applications, moving shipping containers, large machinery, and static loads.
  • Key Features: Unmatched load-bearing capacity (often several tons per wheel), extreme structural integrity, and high resistance to deformation.
  • Considerations: Heavier weight, can be noisy, and may mark delicate floor surfaces.
B. Heavy-Duty Nylon (Polyamide/MC Nylon) Wheels
  • Best For: General cargo, warehouse logistics, and environments with debris or chemical exposure (e.g., oils, salts).
  • Key Features: Excellent wear resistance, high hardness, non-marking, and resistant to corrosion and chemicals.
  • Considerations: Less shock-absorbent than polyurethane or rubber.
C. Polyurethane (PU) on Iron Core Wheels
  • Best For: A balance between heavy load capacity, floor protection, and noise reduction.
  • Key Features: High load capacity, excellent wear resistance, quiet operation, and good traction. They offer a smooth roll and protect expensive flooring.
  • Considerations: Can be damaged by extremely sharp objects or prolonged exposure to high heat.

3. How to Select the Right Caster: A 3-Step Checklist

Follow this simple checklist to make the perfect choice for your port equipment:

  1. Calculate the Load Capacity:

    • Determine the total weight of the loaded equipment.
    • Divide by the number of casters (use 3 for a 4-caster setup to account for uneven floors).
    • Choose a caster with a load rating higher than this calculated value.

  2. Assess the Floor & Environment:

    • Rough Concrete/Asphalt: Prioritize durability (Nylon, Cast Iron).
    • Smooth/Sensitive Floors: Prioritize floor protection (Polyurethane).
    • Corrosive Environments (e.g., sea air): Choose materials with high corrosion resistance (Nylon, Stainless Steel components).

  3. Verify the Total Configuration:

    • Ensure the spring mechanism is rated for your load.
    • Check for features like swivel locks and directional locks for added control.
    • Always source from manufacturers who provide load-test certifications.

Company Services & Process Overview
Company services and manufacturing process flowchart

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer

  • Year Established:

    2008

  • Total Annual:

    1000,000.00-3000,000.00

  • Employee Number:

    100~200

  • Ecer Certification：

    Verified Supplier

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Get in touch with us

  • Reach Us
  • Zhongshan Luma Caster Manufacturing Co., Ltd.
  • No. 10, Industrial Avenue, Xiaolan Town, Zhongshan, Guangdong, China, 528415
  • https://www.industrialwheelcasters.com/

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