Swivel Castors
Swivel castors provide 360-degree movement for trolleys, workbenches, transport platforms, machinery and material handling equipment. Keystone supplies a wide range of options, including top plate and bolt-hole fixings, bra...ked models, stainless steel designs and heavy-duty wheels for industrial, commercial and specialist applications.How Swivel Castors Work
The swivel head contains ball bearings that allow the castor to rotate smoothly. Swivel castors may use either a single ball race or a double ball race. Double ball race swivel castors are often used for medium duty and heavy duty applications because they provide good steerability, compact construction and reliable performance under static and moving loads.
Swivel Castor Fixing Types
The fixing determines how the castor attaches to your equipment. Common swivel castor fixing types include: Top plate fixing – usually square, rectangular or triangular and bolted directly to the equipment. Single bolt-hole fixing – fitted using a central bolt or stem connection. When choosing a plate-fixing swivel castor, check the plate size, bolt-hole diameter and fixing centres to make sure it matches your equipment.
Braked Swivel Castors
Swivel castors can be supplied with brake options to improve safety and control. Depending on the castor, the brake may lock the wheel, the swivel head or both. For options with integrated brakes, view our braked castors.
Swivel Castor Components
The diagram below shows the main parts of a swivel castor, including the fixing, swivel head, yoke and wheel. Swivel castor components diagram showing fixing, swivel head, yoke and wheel
Swivel Castor Offset
The swivel castor offset is the distance between the swivel axis and the centre of the wheel. This offset allows the castor to trail behind the swivel point and turn in the direction of movement. The offset and wheel diameter determine the swivel radius: Swivel radius = offset + wheel diameter ÷ 2 This measurement shows how much space the castor needs to rotate fully around the vertical axis. In general, a larger offset improves running performance and steering, but may reduce the castor’s load capacity.
Choosing the Right Swivel Castor
Use the filters on this page to compare swivel castors by wheel diameter, load capacity, fixing type, brake option, wheel material and bearing type. If you are unsure which castor is suitable for your application, contact Keystone for technical advice. Read More
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In Stock50mm Low Level Swivel Castor, 160kg Capacity | Polyurethane Tyre Wheel, Plain Bore (MSTW050PT)
£15.4050mm low-level twin-wheel swivel castor with a rou ... Read Morend top plate, designed for heavy-duty equipment where a low overall height and high load capacity are required. This castor features twin polyurethane tyres, each with a 14mm tread width, running on a plain bore for smooth, reliable movement. The twin-wheel design provides differential action, helping the castor turn more easily under load and improving manoeuvrability on smooth, hard floors. Despite its compact working height, this castor has an impressive 160kg load capacity, making it suitable for heavy equipment, machinery, display units, cabinets, and other applications where strength and stability are important. The castor is fitted with a 95mm diameter round top plate and 4 fixing holes suitable for 6mm bolts. The fixing holes are positioned on a 51mm PCD, meaning the distance from the centre of one fixing hole to the centre of the hole directly opposite is 51mm. Key Specifications: Wheel diameter: 50mm Wheel type: Twin wheel Tyre material: Polyurethane Tread width: 14mm per wheel Bearing type: Plain bore Castor type: Swivel castor Top plate shape: Round Top plate diameter: 95mm Fixing holes: 4 holes Bolt size: Suitable for 6mm bolts Fixing hole spacing: 51mm PCD Load capacity: 160kg -
In Stock50mm Swivel Castor, 60kg Capacity | Polypropylene wheel, Plain Bore (2KS050PPPL)
£6.3750mm Twin Wheel Top Plate Swivel Castor (Pressed S ... Read Moreteel) with 38.5/48x38.5/48mm Fixing Holes. Black Polypropylene Wheel with Plain Bore. Load Capacity = 60kg -
In Stock100mm Swivel Castor, 150kg Capacity | Rubber Tyre Wheel with Single Ball Bearing (MSVH100RN2B)
£10.67100mm Single Bolt Hole (12mm) Pressed Steel Swivel ... Read More Castor. This castor has an Elastic Blue Rubber Tyred Wheel (Shore A 65) on a Nylon Centred Wheel with a Single Ball Bearing. The Load Capacity is 150kg using manual propulsion at 4km/h. Key Specification: Bolt Hole Size: 13mm (to suit 12mm Fixing Bolt) Overall Height: 127mm Offset: 40mm Swivel Radius: 90mm Tread width: 35mm Bearing Type: Single Ball Bearing Tyre Hardness: Shore A 65 Key Features: High Load Capacity Low Rolling Resistance Reduce Vibration Low noise Operation -
In Stock80mm High Temperature Swivel Castor, 100kg Capacity | Phenolic Resin Wheel, Plain Bore (MSX080HTBH)
£20.2880mm Single Bolt Hole Swivel Castor (Pressed Steel ... Read More) with High Temperature Phenolic Wheel (Plain Bore) - Rated to +280 degrees C. Load capacity = 100kg -
In Stock100mm Swivel Castor, 150kg Capacity | Nylon Wheel, Plain Bore (1321780)
£7.78100mm Bolt Hole Swivel Castor (Pressed Steel) with ... Read More 10mm Bolt Hole. Nylon Wheel with Plain Bore. Load Capacity = 150kg -
In Stock75mm Pressed Steel Swivel Castor, 170kg Capacity | Nylon Wheel, Plain Bore (K075VNY)
Original price was: £9.74.£7.68Current price is: £7.68. Sale!75mm Swivel Castor with Triangular Mounting Plate ... Read Moreand 102x73mm Hole Centres housing a white nylon wheel with a smooth plain bore. This castor has an overall height of 95mm and a load capacity of 170kg. The top plate has two extra long slotted bolt holes to allow for easy positioning along a profile. It is often fitted to frame such as a T-Slot Aluminium Extrusion Profile to provide extra clearance. -
In Stock100mm Swivel Castor, 150kg Capacity | Rubber Tyre Wheel, Ball Bearing (1321768)
£14.86100mm Top Plate Swivel Castor (Pressed Steel) with ... Read More 80x60 Hole Centres. Blue Rubber Tyre / Nylon Centre Wheel with Ball Bearing. Load Capacity = 150kgThis is a 4 hole plate fitting castor and the bolt holes suit an 8mm bolt as well as being slotted (rather than round) to accommodate 80/76mm x 60x44.5mm. -
In Stock100mm Swivel Castor, 340kg Capacity | Cast Iron Wheel, Roller Bearing (461CIB)
£26.09100mm Top Plate Swivel Castor (Flexello 61 Series) ... Read More with 105x80mm Fixing Bolt Hole Centres. Cast Iron Wheel with Roller Bearing. Load Capacity = 340kg Key Specifications: Top Plate Size: 128x102mm Bolt Hole Centres: 100/105x76/80mm Fixing Bolt Size: 10mm Overall Height: 125mm Wheel Material: Cast Iron Wheel Diameter: 100mm Wheel Tread Width: 38mm Bearing Type: Roller Bearing The Flexello 61 Series is an established industry standard range of Pressed Steel Castors that is suitable for most industrial castor uses. This range has a ball bearing swivel head and finished with a bright zinc plating. This range has a larger top plate than most 100mm castors with the castor's top plate measuring 128x102mm. -
In Stock150mm Swivel Castor, 500kg Capacity | Nylon Wheel, Plain Bore (622NY)
£29.15150mm Top Plate Swivel Castor (Pressed Steel) with ... Read More 105x80 Hole Centres. Nylon Wheel with Plain Bore. Load Capacity = 500kg -
In Stock200mm Swivel Castor, 200kg Capacity | Nylon Wheel, Roller Bearing (MSVH200NY1B)
Original price was: £23.55.£14.86Current price is: £14.86. Sale!200mm Swivel Castor with a 12mm Single Bolt Hole f ... Read Moreixing. The castor wheel is a white nylon with a needle roller bearing and thread guard fitted. The Load Capacity is 200kg using manual propulsion at 4km/h (walking speed) Key Specifications Bolt Hole Size: 13mm (to suit a 12mm fixing bolt) Overall Height: 228mm Wheel Tread Width: 50mm Castor Offset: 55mm Load Capacity: 200kg -
In Stock200mm Stainless Steel Swivel Castor, 300kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (MSS200PNB)
£66.65200mm Top Plate Swivel Castor (AISI 304 Stainless ... Read MoreSteel) with 105x80mm Fixing Bolt Hole Centres. The caster wheel has a Polyurethane Tyre (97 Shore A) on a Nylon Centre Wheel with Roller Bearing. Load Capacity = 300kg -
In Stock60mm Compact Twin Wheel Swivel Castor, 200kg Capacity | Polyurethane Tyre Wheel, Ball bearing (2KS060PT2B)
£24.1960mm Low Level twin wheel swivel castor with 105x8 ... Read More0mm Top Plate and 80/76x60mm Fixing Bolt Hole Centres. This Low Level compact castor has an overall height of 80mm and an Orange Polyurethane Wheel on a steel centre with a 2x19mmTread Width (41mm across both wheels) and Ball bearings. Load Capacity = 150kg. The swivel head has a double ball race for excellent swivelling and the polyurethane tyres have a 95 Shore A hardness. -
In Stock150mm Swivel Castor, 500kg Capacity | Cast Iron Wheel, Ball Bearing (KSMG150CIB)
£43.62150mm Top Plate Swivel Castor (Fabricated Steel) w ... Read Moreith a Cast Iron Wheel with Ball Bearing. Load Capacity = 500kg using manual propulsion at 4km/h (walking speed) Key Specifications: Top Plate Size: 140mm x 110mm Bolt Hole Centres: Slotted to 114x87mm / 97.5x71.5mm Overall Height: 190mm Tread Width: 45mm Castor Offset: 40mm Cast iron wheels are generally the first choice for heavy duty and arduous applications. They have a high load capacity, are wear resistant and unaffected by swarf or aggressive materials. -
In Stock50mm Low Level Swivel Castor, 270kg Capacity | Steel Wheel, Plain Bore (2SL050ST0L)
£29.6350mm Low Level Twin Wheel Swivel Castor (Revvo Bra ... Read Morend). The steel wheels each have a tread width of 14mm and turn on a smooth Plain Bore. The Load Capacity of 270kg. This castors offers an exceptional load capacity in relation to their low overall working height and is ideal for heavy equipment being used on smooth, hard flooring. The differential action from the twin wheels makes for smooth operation. This castor has a round top plate with a diameter of 95mm and 4 fixing holes to suit a 6mm bolt. Each fixing hole is spaced 51mm from the directly opposite fixing hole (the largest distance between the fixing holes) -
In Stock63mm Swivel Castor, 60kg Capacity | 63mm Rubber Tyre Wheel, Plain Bore (261RNST)
Original price was: £12.68.£9.46Current price is: £9.46. Sale!63mm Threaded Stem Fitting Swivel Castor (Pressed ... Read MoreSteel) with M12x25mm Threaded Stem and an overall height of 81mm. The wheel has a Blue Elastic Rubber Tyre with a Black Nylon Centre, 25mm Tread Width and a Smooth Plain Bore. Load Capacity = 60kg. Elastic Blue Rubber tyres are stronger than standard natural rubber. It has a soft tread and is both gentle on floors and non-marking while absorbing fine vibrations when moving which provides user comfort and limits noise.
