Swivel Castors
Swivel Castors and wheels can swivel 360 degrees about the vertical axis (see figure below). They consist of a housing and a caster wheel. The housing itself is made up of a plate fitting, swivel bearings and a yoke. The Yoke is often referred to as the castor's frame (see figure below).The plate fitting determines how the... castor is going to be attached to the equipment. It is usually either a single bolt hole fitting or a plate fixing which is generally square, rectangular or triangular. Plate fittings are usually bolted to equipment so knowing your required bolt hole centres is important. The Swivel Head consists of a ball race and a number of ball bearings that roll within it. Swivel Castors can either have a single ball race or a double ball race. They perform the same function. The double ball race was developed for medium and heavy applications. This is because they are compact, perform well under static and dynamic loads and provide excellent steerability.
Swivel castors can be fitting with locks which lock (brake) wither the wheel or the swivel head or both. See Brake Castors.
Swivel Castor Components
Swivel Castor Offset
The Swivel Castor's offset it the distance from the swivel axis to the centre of the wheel (where it is secured to the castor frame). It is the reason a swivel castor will go in the direction you want it to go regardless its starting direction. The offset and castor wheel's diameter make up the swivel radius where the swivel radius = Offset + (Wheel Diameter / 2).
This is the radius of circle described but the outer dimension of the wheel swivelling around the vertical axis. Basically, this is important because it tells you how much room is needed for the swivel caster to swivel. Furthermore, the general rule is the bigger the offset the better the castor's running performance but the lower the weight it can carry. Read More
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In Stock75mm Swivel Castor, 50kg Capacity | Rubber Tyre Wheel, Plain Bore (XS075RP)
Original price was: £3.49.£1.39Current price is: £1.39.Sale!75mm Grey Rubber Tyre Wheel on a Nylon centre fitt... Read Moreed into a Top Plate Swivel Castor with 55x42mm bolt hole centres. The load capacity of this castor is 50kg using manual propulsion at 4km/h.Key Specifications:- Top Plate Dimensions: 75x60mm
- Bolt Hole Centres: 55x42mm
- Bolt Hole Size: 11x9mm (suits 8mm Fixing Bolts)
- Overall Height: 95mm
- Castor Offset: 32mm
- Wheel Type: Grey Rubber Tyre / Black Polypropylene Centre
- Wheel Tread Width: 25mm
- Bearing Type: Smooth Plain Bore
- In Stock
100mm Swivel Castor, 250kg Capacity | Polyurethane Tyre Wheel, Ball Bearing (HSPC10022122)
Original price was: £22.38.£11.19Current price is: £11.19.Sale!100mm Single Bolt Hole (12mm) Pre... Read Moressed Steel Swivel Castor (Flexello Brand). This Wheel has an Polyurethane Tyre on a Cast Iron Centre Wheel with Ball Bearings. The Load Capacity is 250kg using manual propulsion at 4km/h.Key Specification:- Bolt Hole Size: 13mm (to suit 12mm Fixing Bolt)
- Overall Height: 125mm
- Offset: 40mm
- Tread width: 32mm
- Wheel Material: Polyurethane Tyre on a Cast Iron Centre
- Tyre Hardness: 94 Shore A
- Bearing Type: Ball Bearings
- In Stock
75mm Swivel Castor, 75kg Capacity | Thermoplastic Rubber Wheel, Ball Bearing (KATS075TPR)
£6.84Keystone Apparat... Read Moreus / Institutional Castor with 75mm Grey Thermoplastic Wheel fitted into a Pressed Steel Top Plate Swivel Castor with slotted bolt hole centres measuring 48/39x48/39mm. The load capacity of this castor is 75kg using manual propulsion at 4km/hRunning on a quality ball bearing the wheel offers excellent rolling performance. This popular apparatus castor is a great choice for a wide range of industrial and domestic applications such as trolley and garment rails, medical devices and hospitality equipment. Fitted with a grey thermoplastic wheel on a polypropylene centre this wheel is non-marking and gentle on floors and has a large plastic thread guard to protect the ball bearing from dirt ingress - In Stock
75mm Swivel Castor, 75kg Capacity | Grey Thermoplastic Wheel, Ball Bearing (K18HS075TPR)
£5.5375mm Swivel with 10m single bolt hole fitting an... Read Mored a Grey Thermoplastic Rubber Tyre on a Grey Polypropylene Centre. The wheel is fitted with a single ball bearing which reduces the effort required to push. This apparatus / institutional castor has a load capacity of 75kg using manual propulsion at 4km/h (walking speed).Key Specifications:- Mounting Type: 10.5mm Single Bolt Hole (suits M10 Bolts)
- Overall Height: 103mm
- Castor Offset: 30.5mm
- Wheel Diameter: 75mm
- Wheel Tread Width: 28mm
- Wheel Material: Grey Thermoplastic Rubber on a Grey Polypropylene Centre
- Tyre Hardness: 85 Shore A
- Bearing Type: Single Ball Bearing
- In Stock
100mm Swivel Castor, 250kg Capacity | Nylon Wheel, Ball Bearing (HSNY10022122)
Original price was: £19.89.£9.45Current price is: £9.45.Sale!100mm Single Bolt Hole (12mm) Pre... Read Moressed Steel Swivel Castor (Flexello Brand). This Wheel has an White Nylon Wheel with Ball Bearings. The Load Capacity is 250kg using manual propulsion at 4km/h.Key Specification:- Bolt Hole Size: 13mm (to suit 12mm Fixing Bolt)
- Overall Height: 125mm
- Offset: 40mm
- Tread width: 40mm
- Bearing Type: Ball Bearings
- High Load Capacity
- Low Rolling Resistance
- In Stock
100mm Swivel Castor, 250kg Capacity | Rubber Tyre Wheel, Ball Bearing (HSRN10022122)
Original price was: £17.28.£12.10Current price is: £12.10.Sale!100mm Single Bolt Hole (12mm) Pre... Read Moressed Steel Swivel Castor (Flexello Brand). This Wheel has an Blue Elastic Blue Rubber Tyred Wheel on a Nylon Centred with a Single Ball Bearing. The Load Capacity is 250kg using manual propulsion at 4km/h.Key Specification:- Bolt Hole Size: 13mm (to suit 12mm Fixing Bolt)
- Overall Height: 125mm
- Offset: 40mm
- Tread width: 35mm
- Bearing Type: Single Ball Bearing
- Tyre Hardness: Shore A 65
- High Load Capacity
- Low Rolling Resistance
- Reduce Vibration
- Low noise Operation
- In Stock
50mm Swivel/Brake Castor Threaded Stem, 40kg Capacity | Black Wheel (16150)
Original price was: £4.89.£1.96Current price is: £1.96.Sale!50mm Stem Fitting Swivel Castor with brake... Read More and M8x50mm Threaded Stem. Black Polypropylene Wheel with a Smooth Plain Bore. The Load Capacity of this castor is 40kg at 4km/h using manual propulsion.This castor has a ball bearing swivel head and finished with a bright zinc plating.Key Specifications:- Threaded Stem Size: M8x50mm
- Overall Height: 70mm
- Wheel Material: Black Polypropylene (plastic)
- Swivel Radius: 22mm
- Brake style: Wheel Brake (Wheel is locked and the swivel head is free to rotate when brake applied)
- In Stock
200mm Swivel Castor, 1000kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (TSK200PT15)
Original price was: £163.02.£73.36Current price is: £73.36.Sale!Heavy Duty Swivel Castor (200mm) – For... Read Moreged Steel (TSK Series)Load Capacity: 1000kg (manual use up to 4 km/h) Wheel Type: Revvothane® Polyurethane Tyre on Cast Iron Centre (with roller bearing)Product OverviewThis heavy-duty swivel castor is built for demanding industrial applications where strength, smooth movement, and long service life are essential. Made from forged steel with a 6mm thick top plate, it’s designed to handle high loads while maintaining excellent manoeuvrability.The kingpinless swivel head includes a 60mm ball race with hardened steel balls running on a hardened raceway - providing superior durability, impact resistance, and precise tracking. A hydraulic grease nipple allows for easy maintenance and long-lasting performance.Key Features- Heavy gauge forged steel construction for strength and reliability
- Revvothane® polyurethane tyre for excellent wear resistance and floor protection
- Cast iron wheel centre with a clear lacquer coating for corrosion protection
- Kingpinless swivel head for smoother turning and better stability
- Hydraulic grease nipple for convenient lubrication and extended service life
- Top Plate Size: 130 x 105mm
- Bolt Hole Centres: 105 x 80/75 mm
- Bolt Hole Size: 11mm (fits 10 mm bolts)
- Overall Height: 241 mm
- Castor Offset: 55 mm
- Swivel Radius: 155 mm
- Bearing Type: Roller Bearing
- Tyre Hardness: 92–97 Shore A
- Load Capacity: 1000 kg at 4 km/h
- In Stock
75mm Bolt Hole Swivel Castor, 75kg Capacity | Nylon Wheel, Plain Bore (BS2075NY02)
Original price was: £6.66.£2.67Current price is: £2.67.Sale!75mm White Nylon... Read More Wheel fitted into a Single Bolt Hole Swivel Castor (Revvo Brand) to suit an M10 Fixing bolt. The load capacity of this castor is 75kg using manual propulsion at 4km/h.Key Specifications:- Mounting Bolt Hole Size: M10
- Overall Height: 96mm
- Offset: 27.5mm
- Swivel Radius: 65mm
- Wheel Material: Nylon
- Wheel Diameter: 75mm
- Wheel Tread Width: 20mm
- Load Rating: 75kg
- In Stock
50mm Swivel Castor, 50kg Capacity | Nylon Wheel, Plain Bore (TS1050NY01)
Original price was: £5.19.£2.08Current price is: £2.08.Sale!50mm White Nylon... Read More Wheel fitted into a Rectangular Top Plate Swivel Castor (Revvo Brand) and 54x25.4mm bolt hole centres. The load capacity of this castor is 50kg using manual propulsion at 4km/h.Key Specifications:- Top Plate Size: 68x48mm
- Bolt Hole Centres: 54x25.4mm
- Mounting Bolt Hole Size: 6mm
- Overall Height: 73mm
- Offset: 22mm
- Swivel Radius: 47mm
- Wheel Material: Nylon
- Wheel Diameter: 50mm
- Wheel Tread Width: 17mm
- Load Rating: 50kg
- In Stock
200mm Swivel Castor, 200mm, 600kg Capacity, Polyurethane Tyre Wheel, Roller Bearing (BS5200PC2BA)
£122.57200mm Bolt Hole Swivel Castor (Fabricated Steel) w... Read Moreith 19.8mm Single Bolt Hole (to suit a 3/4" fixing Bolt). This extra heavy duty single bolt hole Castor has a Polyurethane Tyre on a Cast Iron Centre wheel with Ball Bearings. The tread width of the wheel is 50mm and the Load Capacity is 600kg at 4km/h (walking speed) using manual propulsion.Key Specifications:- Ball Bearing Swivel Head
- Wheal Bearing Type: Ball Bearings
- Overall Height: 244mm
- Tread Width: 50mm
- Offset: 44.5mm
- Fixing Bolt Hole Size: 19.8mm
- Wheel Diameter: 200mm
- Wheel Tread Width: 50mm
- Tyre Hardness: 92 (+/- 3) Shore A
- Load Capacity: 600kg using manual propulsion at 4km/h (walking speed)
- Zinc Plated
- In Stock
125mm Swivel Castor, 100kg Capacity | Grey Rubber Tyre Wheel with Plain Bore (BSRN12510021)
Original price was: £8.86.£3.98Current price is: £3.98.Sale!Swivel Castor (Flexello Brand) with a 125mm Grey R... Read Moreubber Tyre wheel on a Nylon Centre with Large Metal Thread Guard. It as a square top plate with 57x57mm fixing bolt hole centres and a Load Capacity of 100kg using manual propulsion at 4km/h.Key Specifications:- Top Plate Size: 76x76mm (Square Top Plate)
- Bolt Hole Centres: 57x57mm
- Bolt Hole Size: 8.5x15mm (slotted)
- Overall Height: 155mm
- Offset: 42mm
- Bearing Type: Smooth Plain Bore
- In Stock
100mm Black Swivel Castor, 180kg Capacity | Rubber Tyre Wheel, Ball Bearing (K07HS100RN2B)
Original price was: £16.50.£10.73Current price is: £10.73.Sale!100mm All Black Single Bo... Read Morelt Hole swivel castor with Black Elastic Rubber Tyre on a nylon centre wheel with a single ball bearing. This castor is designed for theatre applications to reduce reflection from lighting. It can also be used in any application where a pressed steel castor is required.Key Specifications:- Bracket Material: Black Powder Coated Pressed Steel
- Fixing Type: 13mm Single Bolt (Suits 12mm Bolt)
- Overall Height: 125mm
- Load Capacity: 180kg (using manual propulsion at 4km/h - walking speed)
- Wheel Material: Black Elastic Rubber Tyre on a Black Nylon Centre
- Wheel Bearing Type: Ball Bearing
- Tread Width: 36mm
- Castor Offset: 36mm
- Swivel Radius: 128mm
- In Stock
80mm Black Swivel Castor, 130kg Capacity | Rubber Tyre Wheel, Ball Bearing (K07HS080RN2B)
Original price was: £14.75.£9.59Current price is: £9.59.Sale!80mm All Black Single Bol... Read Moret Hole swivel castor with Black Elastic Rubber Tyre on a nylon centre wheel with a single ball bearing. This castor is designed for theatre applications to reduce reflection from lighting. It can also be used in any application where a pressed steel castor is required.Key Specifications:- Bracket Material: Black Powder Coated Pressed Steel
- Fixing Type: 13mm Single Bolt (Suits 12mm Bolt)
- Overall Height: 100mm
- Load Capacity: 130kg (using manual propulsion at 4km/h - walking speed)
- Wheel Material: Black Elastic Rubber Tyre on a Black Nylon Centre
- Wheel Bearing Type: Ball Bearing
- Tread Width: 36mm
- Castor Offset: 36mm
- Swivel Radius: 128mm
- In Stock
80mm Black Swivel Castor, 130kg Capacity | Rubber Tyre Wheel, Ball Bearing (K07PS080RN2B)
Original price was: £15.05.£9.79Current price is: £9.79.Sale!80mm All Black Swivel Castor with Black Elastic Ru... Read Morebber Tyre on a nylon centre wheel with a single ball bearing. This castor is designed for theatre applications to reduce reflection from lighting. It can also be used in any application where a pressed steel castor is required.The Swivel Brake Bracket has a 4 hole top plate with 80/76x60mm bolt hole spacing. The load capacity of this castor is 130kg using manual propulsion at 4km/h (walking speed)The Black Elastic Rubber Tyre offers a higher load capacity than standard grey or black rubber tyres and is quiet and gentle on floors. The soft tread rubber (68 Shore A) absorbs vibrations whilst in motion making this a low noise option. The ball bearing lowers the rolling resistance to reduce the effort required to move the castors. Together with the strong bracket that has a double ball race in the swivel head makes this castors a great performer and one of our most popular products.
