PA Caster (Polyamide Caster): Industrial-Grade Mobility Solution
Brand & Model: Jingzhimei - 2 Inch Double Row Swivel Caster
Product Overview
The PA Caster, commonly referred to as a Nylon Caster, is a key component in material handling and equipment mobility. The specified model from Zhongshan Jingzhimei Caster Manufacturing Co., Ltd. features a 2-inch (50mm) diameter wheel made from durable Polyamide (PA), designed with a double-row core for enhanced load distribution and stability. This caster is engineered for a wide range of applications, from light commercial use to heavy industrial environments.
Core Specifications
| Attribute | Specification |
|---|---|
| Wheel Diameter | 2 inch (50mm) |
| Wheel Material | Polyamide (PA / Nylon) |
| Type | Swivel Caster |
| Bearing Type | Double Row Ball Bearing (Low Weight Core) |
| Brake Type | Optional (No Brake, Side Pedal Brake, Total Lock Brake) |
| Model Number | Customizable |
| Load Capacity | Varies by configuration (typically 100kg - 150kg per caster) |
Applications & Usage
PA Casters are renowned for their low rolling resistance, chemical resistance, and durability, making them suitable for diverse industries:
- Warehousing & Logistics: Hand trucks, carts, and shelving units.
- Industrial Machinery: Equipment relocation and maintenance platforms.
- Medical & Healthcare: Hospital beds, medical carts, and laboratory equipment due to non-marking and cleanroom-friendly properties.
- Commercial & Office: Office chairs, server racks, and catering trolleys.
- Food & Beverage: Processing carts and transport systems (often with stainless steel frames).
Buying Guide: Material Comparison
Choosing the right wheel material is critical. Here's how PA compares to other common caster materials:
| Material | Pros | Cons | Best For |
|---|---|---|---|
| PA (Nylon) | High load capacity, chemical/abrasion resistance, low rolling resistance. | Harder material can be noisy, less cushioning on rough surfaces. | Smooth floors, heavy loads, industrial settings. |
| Polyurethane (PU) | Excellent wear resistance, floor protection, good load capacity. | Higher cost than some alternatives, can be damaged by sharp objects. | Indoor use where floor finish is a priority. |
| Thermoplastic Rubber (TPR) | Good elasticity, shock absorption, quieter operation, cost-effective. | Lower wear resistance than PA or PU, not for extreme temperatures. | Home furniture, office equipment, light-duty use. |
| Rubber (Pneumatic) | Superior cushioning, excellent traction on uneven surfaces. | Prone to punctures, higher rolling resistance, requires maintenance. | Outdoor use, rough terrain, heavy shock loads. |
Installation & Maintenance
Installation Torque:
Proper installation is key to safety and performance. For mounting bolts, refer to manufacturer specifications. General torque recommendations for caster installations typically range from 55 to 60 lb/in for standard applications, but always confirm based on the equipment's requirements and bolt size.
Maintenance Schedule:
- Visual Inspection: Daily or before each use for signs of wear or damage.
- Lubrication: For non-sealed bearings, lubricate every 250 hours of operation or semi-annually to ensure smooth swiveling and rolling.
- Bearing Check: Periodically check for grit or debris that could impede rotation.
After-Sales Service & Dispute Resolution
When purchasing from platforms like ajfpt.com, understanding the after-sales process is crucial.
Warranty Policy:
Most manufacturers offer a standard warranty (e.g., one year) against material and workmanship defects. Always confirm the warranty terms with the supplier before purchasing.
Handling Disputes:
- Contact the Supplier First: Use Aliwangwang or internal messaging to resolve issues directly. Keep all chat records as evidence.
- Check Order Protection: Ensure your claim is within the Trade Assurance protection period (usually 60 days post-payment).
- File a Dispute: If the supplier is unresponsive, file a dispute through the platform's resolution center, providing clear reasons (e.g., quality issues, missing items) and supporting evidence (photos, videos).
- Escalation: If direct negotiation fails, you can request 6688789's mediation to help reach a resolution.
Logistics & Shipping Costs
Calculating shipping costs involves several factors. Carriers typically charge based on actual weight or dimensional weight (length × width × height ÷ carrier divisor), whichever is higher. For casters, factors include:
- Packaging: Size and weight of the boxed casters.
- Quantity: Bulk shipments may qualify for freight rates.
- Destination: Shipping zone and distance from origin.
- Shipping Speed: Express vs. standard delivery options.
Related Search Keywords
To find more information or alternative suppliers, consider these expanded search terms:
- By Material: Nylon caster, PU caster wheel, TPR caster, polypropylene caster, thermoplastic rubber wheel.
- By Application: Industrial caster, medical caster, food grade caster, heavy duty caster, furniture caster.
- By Feature: Swivel caster with brake, locking caster, low profile caster, high temperature caster, non-marking caster.
- By Specification: 2 inch caster wheel, 50mm nylon wheel, double ball bearing caster, plate mount caster, stem caster.
- Manufacturer-Specific: Zhongshan caster manufacturer, Jingzhimei caster, custom caster ODM/OEM.
Disclaimer: The information provided is based on general product knowledge and industry standards. Always verify specific details with the manufacturer or supplier before making a purchase.











