Fixed Castor Design — Provides stable, straight-line movement with no directional deviation, ensuring predictable travel paths for guided equipment and trolleys.

110kg Load Capacity Per Castor — Engineered for medium-duty applications, supporting up to 330kg when used in a set of four, suitable for industrial trolleys and handling equipment.

Black Rubber on Pressed Steel Wheel — Combines durability with effective shock absorption, delivering controlled rolling performance while reducing vibration and noise during operation.

Ball Journal Bearing System — Ensures smooth, low-resistance rolling under load, improving manoeuvrability and extending operational lifespan through reduced friction.

125mm Wheel Diameter — Larger wheel size provides improved rolling efficiency, enhanced obstacle clearance, and reduced rolling resistance across various floor surfaces.

85 Shore A Tread Hardness — Optimised hardness rating ensures controlled movement, effective vibration dampening, and floor protection without compromising durability.

Secure Top Plate Fixing — 4-hole top plate mounting system allows reliable, stable installation on trolleys, carts, and equipment bases with standard bolt configurations.

157mm Total Height — Provides increased ground clearance for indoor applications, accommodating uneven surfaces and ensuring smooth operation across workshop environments.

What is the difference between a fixed castor and a swivel castor?

A fixed castor is designed to move only in a straight line, providing directional stability and consistent travel paths. It cannot rotate or change direction. A swivel castor, on the other hand, can rotate 360 degrees, allowing for multi-directional movement and enhanced manoeuvrability. Fixed castors are typically used on the rear of trolleys or equipment where straight-line movement is required, while swivel castors are often positioned at the front for steering capability.

How do I calculate the total load capacity I need for my equipment?

To calculate the required load capacity, first determine the total weight of your equipment plus the maximum load it will carry. Divide this total weight by the number of castors you plan to install, then add a safety margin of 25-30%. For example, if your loaded equipment weighs 300kg and you're using 4 castors, each castor should support at least 94kg (300 ÷ 4 × 1.25). This 110kg capacity castor would be suitable for this application.

What does the Shore A hardness rating mean for castor wheels?

Shore A is a measurement scale for the hardness of rubber and elastomer materials. The 85 Shore A rating on this castor indicates a medium-hard rubber compound that balances durability with shock absorption. This hardness level provides effective vibration dampening and floor protection while maintaining good rolling performance and wear resistance. Lower Shore A values indicate softer rubber (better shock absorption, more floor protection), while higher values indicate harder rubber (better durability, higher load capacity).

How do I install this top plate castor onto my equipment?

Installation requires positioning the castor's top plate on the mounting surface and securing it with four bolts through the 10mm diameter holes. The plate has hole centres at 60mm and 80mm (width), allowing compatibility with various mounting configurations. Ensure the mounting surface is flat, clean, and structurally sound to support the load. Use appropriate grade bolts, washers, and lock nuts to prevent loosening during operation. For optimal stability, install castors at the corners of your equipment base.