50mm Pressed Steel Fixed Castor Wheel - White Nylon Wheel & 4-Bolt-Hole - 65kg Load Capacity

50mm Pressed Steel Fixed Castor Wheel White Nylon Wheel ?|? 4-Bolt Top Plate ?|? 65kg Load Capacity This 50mm pressed steel fixed castor is a compact, load-bearing mobility solution engineered for consistent, straight-line movement across hard and semi-hard floor surfaces. Fitted with a white nylon wheel and secured via a 4-bolt top plate, it is designed for use on trolleys, workshop benches, retail display units, commercial furniture, and light industrial equipment ? anywhere a stable, non-swivelling castor is required to maintain directional control under load. Key Features Fixed Design Maintains a fixed direction of travel ? ideal for straight-line movement and directional stability under load White Nylon Wheel Hard-wearing nylon construction rolls smoothly on concrete, tile, vinyl, and laminate floors with minimal rolling resistance Pressed Steel Housing Robust pressed steel fork and top plate provide structural rigidity and long service life in demanding environments Plain Bearing Simple, low-maintenance plain bearing keeps rolling effort low and reduces the need for regular servicing 4-Bolt Top Plate Secure bolt-on mounting with dual hole-centre dimensions for compatibility with a wide range of equipment frames 65kg Load Capacity Rated to 65kg per castor; when used as a set of four, the combined maximum load capacity is 195kg Technical Specifications Specification Detail Castor Type Fixed (Top Plate Mounting) Bearing Type Plain Bearing Wheel Diameter 50mm Wheel Material Nylon Wheel Colour White Tread Width 22mm Total Castor Height 72mm Top Plate Length 60mm Top Plate Width 67mm Plate Hole Centres 48mm / 38mm Plate Hole Diameter 6mm Number of Bolt Holes 4 Housing / Fork Material Pressed Steel Finish Zinc Plated Load Capacity (Single) 65kg Max Load (Set of 4) 195kg * * Maximum combined load for a set of four castors. Load ratings apply to static conditions on flat, level surfaces. Typical Applications Warehouse & Distribution Picking trolleys, platform trucks, and goods transport equipment Workshop & Industrial Workbenches, tool carts, and light machinery bases Retail & Commercial Display units, shelving frames, and point-of-sale fixtures Furniture & Catering Catering trolleys, hospitality equipment, and mobile furniture Frequently Asked Questions What is the difference between a fixed castor and a swivel castor? A fixed castor rolls in one direction only, providing straight-line movement and directional stability ? ideal for the rear wheels of trolleys and carts. A swivel castor rotates 360 degrees, allowing the equipment to be steered and manoeuvred in any direction. For best results, fixed and swivel castors are typically used together on the same piece of equipment. Is a nylon wheel suitable for use on hard floors? Yes. Nylon wheels are well suited to smooth, hard floor surfaces including concrete, ceramic tile, vinyl, and laminate. They offer low rolling resistance and good durability under regular use. For softer or more delicate floor surfaces ? such as hardwood or polished stone ? a rubber-tyred wheel may be more appropriate to prevent surface marking. How do I calculate the correct load capacity for my application? To calculate the required load capacity per castor, divide the total weight of the loaded equipment by the number of castors, then apply a safety factor of approximately 1.3 to 1.5. For example, a trolley with a maximum load of 150kg fitted with four castors would require each castor to be rated to at least 50kg ? this 65kg castor comfortably exceeds that requirement. Note that the combined maximum load for a set of four of these castors is 195kg. How is this castor mounted, and what fixings are required? This castor is mounted using a 4-bolt top plate. The plate measures 60mm x 67mm with hole centres of 48mm and 38mm, and a bolt hole diameter of 6mm. Standard M6 bolts, washers, and nuts are required for installation (not included). Ensure the mounting surface is flat, rigid, and capable of supporting the intended load before fitting. All load ratings are based on static conditions on flat, level surfaces at ambient temperature. Ratings may be reduced in dynamic, high-speed, or elevated-temperature environments. Always select a castor rated above your maximum anticipated load.