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 Stock82mm Low Level Swivel Castor, 650kg Capacity | 82mm Polyurethane Tyre Wheel, Ball bearing (KS8270PTB)
£115.8882mm Low Level Top Plate Swivel Castor (Low Level ... Read MoreCastor) with 140x105 Hole Centres. Polyurethane Wheel with Ball bearing. Load Capacity = 650kg -
Out of Stock - On the Way250mm Swivel Castor, 1100kg Capacity | Nylon Wheel, Ball Bearing (KS250NYB1100)
£154.12250mm Top Plate Swivel Castor (Industrial Castor) ... Read Morewith 160x120 Hole Centres. Nylon Wheel with Ball Bearing. Load Capacity = 1100kg -
In Stock100mm Swivel Castor with 24mm to 27mm Round Expander Fitting, 80kg Capacity | Rubber Tyre Wheel (194557)
£15.59100mm Grey Thermoplastic Rubber Tyre Wheel on a ny ... Read Morelon centre fitted into a 10mm Single Bolt Hole Swivel Castor (Pressed Steel Frame) complete with a 24mm - 27mm Round Expander. The swivel head has a double ball race and the load capacity of this castor is 80kg using manual propulsion at 4km/h. The expander fitting is designed to fit into an round hollow tube with an internal diameter of 24mm to 27mm. This castor is fitted with a grey rubber tyre that will not mark or damage the floor and is ideal for most general, light duty castor purposes such as trolley castors or dolly castors. The Ball Bearing in the wheel provides excellent rolling performance. -
In Stock100mm Swivel Castor, 80kg Capacity | Rubber Tyre Wheel, Ball Bearing (168930)
£12.39100mm Grey Thermoplastic Rubber Tyre Wheel on a ny ... Read Morelon centre fitted into a 10mm Single Bolt Hole Swivel Castor (Pressed Steel Frame). The swivel head has a double ball race and the load capacity of this castor is 80kg using manual propulsion at 4km/h. This castor is fitted with a grey rubber tyre that will not mark or damage the floor and is ideal for most general, light duty castor purposes such as trolley castors or dolly castors. The Ball Bearing in the wheel provides excellent rolling performance. -
In Stock100mm Swivel Castor, 100kg Capacity | Rubber Tyre Wheel, Ball Bearing (K18HS100TPR)
£9.53This apparatus / institutional castor comes with a ... Read More 100mm Grey Thermoplastic Rubber Tyre Wheel on a nylon centre fitted into a 10mm Single Bolt Hole Swivel Castor (Pressed Steel Frame) with a double ball race swivel head. The load capacity of this castor is 100kg using manual propulsion at 4km/h This castor is fitted with a grey rubber tyre that will not mark or damage the floor and is ideal for most general, light duty castor purposes such as trolley castors or dolly castors. The Ball Bearing in the wheel provides excellent rolling performance. Single Bolt Hole castors can have a expander tube fitting (purchased separately) attached to insert into hollow square or round tubing. See our section on Expander Tube Fittings -
In Stock
100mm Swivel Castor with 21.5mm to 24mm Round Expander Fitting, 80kg Capacity | Rubber Tyre Wheel (194551)
£15.59100mm Grey Thermoplastic Rubber Tyre Wheel on a ny ... Read Morelon centre fitted into a 10mm Single Bolt Hole Swivel Castor (Pressed Steel Frame) complete with a 21.5mm - 24.5mm Round Expander. The swivel head has a double ball race and the load capacity of this castor is 80kg using manual propulsion at 4km/h. The expander fitting is designed to fit into an round hollow tube with an internal diameter of 21.5mm to 24.5mm. This castor is fitted with a grey rubber tyre that will not mark or damage the floor and is ideal for most general, light duty castor purposes such as trolley castors or dolly castors. The Ball Bearing in the wheel provides excellent rolling performance. -
In Stock100mm AGV Swivel Castor, Twin Wheel, 310kg Capacity | Polyurethane Wheel, Ball bearing (GASD100ASFHUD)
Original price was: £198.39.£192.61Current price is: £192.61. Sale!This Twin wheel 100mm Automated Guided Vehicle (AG ... Read MoreV) Castor has a shock absorption function and a bracket made from strong Forged steel that is zinc plated. There is double thrust bearing in the swivel head to achieve a high load capacity and maintain castor performance and durability. The role of the spring in an AGV castor is different to that of a standard shock absorbing castor. In a standard shock absorbing castor, the spring absorbs shock and noise whereas, it's role in a AGV castor is primarily to keep the wheels in contact with the floor. When determining the overall height requirement of a shock absorbing AVG, it should be designed based on the spring cushion being fully compressed. The shock absorbing pad made from a special rubber compound absorbs minor shocks and vibrations to protect the AGV unit. There is a 10mm range of compression which helps prevent the castors from losing contact with the floor which may be caused by small floor imperfections. An AGV's castor leaving the floor when changing directions is often the cause of the AGV becoming unbalanced and coming to a stop by straying off its designated path. The Top Plate is 112mm x 112mm and has 4 bolt holes that are spaced 92mm x 92mm, each with a 9mm hole diameter This castor frame has two wheels with a Polyurethane tyre (Shore A 95) on an Aluminium centre each containing ball bearings, Having a twin wheel castor is great for reducing the effort required to swivel the castor and most efficient by reducing the amount of room the castor needs to turn the AGV Cart. The polyurethane wheel has excellent elasticity the minimises slipping that can happen when an AGV starts or stops. In addition, the elasticity also absorbs small shocks arising from small imperfections in the floor. The wheel itself is non marking and will not damage the floor. -
In Stock
75mm AGV Swivel Castor, Twin Wheel, 250kg Capacity | Polyurethane Wheel, Ball bearing (GASD75ASFHUD)
Original price was: £177.87.£172.68Current price is: £172.68. Sale!This Twin wheel 75mm Automated Guided Vehicle (AGV ... Read More) Castor has a shock absorption function and a bracket made from strong Forged steel that is zinc plated. There is double thrust bearing in the swivel head to achieve a high load capacity and maintain castor performance and durability. The role of the spring in an AGV castor is different to that of a standard shock absorbing castor. In a standard shock absorbing castor, the spring absorbs shock and noise whereas, it's role in a AGV castor is primarily to keep the wheels in contact with the floor. When determining the overall height requirement of a shock absorbing AVG, it should be designed based on the spring cushion being fully compressed. The shock absorbing pad made from a special rubber compound absorbs minor shocks and vibrations to protect the AGV unit. There is a 10mm range of compression which helps prevent the castors from losing contact with the floor which may be caused by small floor imperfections. An AGV's castor leaving the floor when changing directions is often the cause of the AGV becoming unbalanced and coming to a stop by straying off its designated path. The Top Plate is 112mm x 112mm and has 4 bolt holes that are spaced 92mm x 92mm, each with a 9mm hole diameter This castor frame has two wheels with a Polyurethane tyre (Shore A 95) on an Aluminium centre each containing ball bearings, Having a twin wheel castor is great for reducing the effort required to swivel the castor and most efficient by reducing the amount of room the castor needs to turn the AGV Cart. The polyurethane wheel has excellent elasticity the minimises slipping that can happen when an AGV starts or stops. In addition, the elasticity also absorbs small shocks arising from small imperfections in the floor. The wheel itself is non marking and will not damage the floor. -
In Stock100mm AGV Swivel Castor, Twin Wheel, 310kg Load | Polyurethane Wheel, Ball bearing (GATD100ASFHUD)
Original price was: £198.39.£192.61Current price is: £192.61. Sale!This Twin wheel 100mm Automated Guided Vehicle (AG ... Read MoreV) Castor has a bracket made from strong Forged steel that is zinc plated. There is a hardened Taper Roller Bearing in he swivel head, which has a grease nipple, for smooth swivelling action and durability. The Top Plate is 112mm x 112mm and has 4 bolt holes that are spaced 92mm x 92mm, each with a 9mm hole diameter. The castor is able to tilt +/- 5o from its central axis according to the flatness of the floor. This ensures that this castor's wheels keep contact with the floor allowing smooth AGV movement and protection of the loaded cargo when changing directions (See illustration below) The wheels are more widely separated from each other than most Twin Wheel Castors. When changing direction, the two wheels spin in opposite directions to each other which reduces the castor offset. The smaller the offset the less chance that the AGV will deviate from its designated line. This castor frame has two wheels with a Polyurethane tyre (Shore A 95) on an Aluminium centre each containing ball bearings, The polyurethane wheel has excellent elasticity the minimises slipping that can happen when an AGV starts or stops. In addition, the elasticity also absorbs small shocks arising from small imperfections in the floor. The wheel itself is non marking and will not damage the floor. -
In Stock
75mm AGV Swivel Castor, Twin Wheel, 250kg Load | Polyurethane Wheel, Ball bearing (GATD75ASFHUD)
Original price was: £177.87.£172.68Current price is: £172.68. Sale!This Twin wheel 75mm Automated Guided Vehicle (AGV ... Read More) Castor has a bracket made from strong Forged steel that is zinc plated. There is a hardened Taper Roller Bearing in he swivel head, which has a grease nipple, for smooth swivelling action and durability. The Top Plate is 112mm x 112mm and has 4 bolt holes that are spaced 92mm x 92mm, each with a 9mm hole diameter. The castor is able to tilt +/- 5o from its central axis according to the flatness of the floor. This ensures that this castor's wheels keep contact with the floor allowing smooth AGV movement and protection of the loaded cargo when changing directions (See illustration below) The wheels are more widely separated from each other than most Twin Wheel Castors. When changing direction, the two wheels spin in opposite directions to each other which reduces the castor offset. The smaller the offset the less chance that the AGV will deviate from its designated line. This castor frame has two wheels with a Polyurethane tyre (Shore A 95) on an Aluminium centre each containing ball bearings, The polyurethane wheel has excellent elasticity the minimises slipping that can happen when an AGV starts or stops. In addition, the elasticity also absorbs small shocks arising from small imperfections in the floor. The wheel itself is non marking and will not damage the floor. -
In Stock125mm Swivel Castor, 250kg Capacity | Nylon Wheel, Ball Bearing (522NYBJ)
£29.97125mm Top Plate Swivel Castor (Pressed Steel) with ... Read More 80x60mm Bolt Hole Centres (suit an 8mm Fixing Bolt). Nylon Wheel with Ball Bearing. Load Capacity = 250kg -
In Stock75mm AGV Swivel Castor, 100kg Capacity | Polyurethane Wheel, Ball bearing (GAPL75ASFHUD)
Original price was: £23.71.£23.01Current price is: £23.01. Sale!75mm Automated Guided Vehicle (AGV) Castor has a b ... Read Moreracket made from strong pressed steel with precision ball bearings in the swivel head for smooth swivelling action and durability. The load capacity of this castor is 100kg The bolt holes are slotted to 78mm x 45mm / 72mm x 45mm with a 9mm hole diameter, This castors is fitted a Polyurethane tyre (Shore A 90) on an Aluminium centre containing ball bearings, The polyurethane wheel has excellent elasticity the minimises slipping that can happen when an AGV starts or stops. In addition, the elasticity also absorbs small shocks arising from small imperfections in the floor. The wheel itself is non marking and will not damage the floor. Many AGV applications require the castor to run 24 hours a day and the durability of the castor is important to reduce costs associated with stoppage. By using bearing steel with a higher strength than general steel in the swivel head, this castor has an exceptional performance. -
In Stock125mm Swivel Castor, 170kg Capacity | Rubber Tyre Wheel, Roller Bearing (KS125UERBLACK)
£16.94125mm Top Plate Swivel Castor (Pressed Steel) with ... Read More 80X60mm Hole Centres.Black Rubber Tyre / Nylon Centre Wheel with Plain Bore. Load Capacity = 170kg -
In Stock100mm Swivel Castor, 250kg Capacity | Polyurethane Tyre Wheel, Ball bearing (KSCR10020241)
£38.30100mm Swivel Castor (Pressed Steel) and Crown Trea ... Read Mored Polyurethane Tyred Wheel with Ball Bearing. Load Capacity = 250kg -
In Stock100mm Swivel Castor, 300kg Capacity | Polyurethane Tyre Wheel, Ball bearing (KS100NPSBJ300)
Original price was: £34.99.£15.29Current price is: £15.29. Sale!Swivel Castor with 4-hole Top Plate (Heavy Gauge P ... Read Moreressed Steel) with a Soft Blue Polyurethane Tyre (80 Shore A) on a Black Fluted Nylon Centre Wheel with Ball Bearings. The Load Capacity is 300kg using manual propulsion at 4km/h. Key Specifications: Top Plate Dimensions: 100x85mm Bolt Hole Centres: 80x60mm Bolt Hole Size: 9x12mm (to suit M8 Fixing Bolts) Overall Height: 135mm Castor Offset: 36mm Wheel Material: Blue Polyurethane Tyre on a Black Nylon Centre Wheel Tread Width: 40mm Bearing Type: Shielded Ball Bearings Key Features: Heavy Gauge Steel High Load Capacity Wheel Quiet Operation Non-Marking & Gentle on Floors
