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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 Components Diagram](https://www.keystonecastors.co.uk/wp-content/uploads/2023/09/Swivel-Castor-Components-Drawing-293x300.jpg)
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 Stock
150mm Swivel Castor, 730kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (TSH150PT15)
£113.29150mm Heavy Duty Top Plate Swivel Castor (Fabricat... Read Moreed Castor) with 105x80mm bolt hole centres and 202mm overall height. The wheel has a Revvothane Polyurethane Tyre on a Cast Iron Centre with a Roller Bearing. Load Capacity = 730kgFeatures of the H Series Castor- The Genuine Revvo H Series castor is made from heavy gauge forged steel with a hardened ball race in the swivel race that serve as both thrust and radial bearings.
- The swivel head comes with a metal swivel seal and hydraulic grease nipple
- The closed base of the swivel ring prevents downward escape of lubricant
- The side plates are press formed to a cylindrical shape to give the best strength to weight ratio
- A four way direction lock can be purchased and fitted to the castor 9999-0181
- In Stock
125mm Swivel Castor, 150kg Capacity | Nylon Wheel, Roller Bearing (MSVH125NY1B)
£9.11125mm Single Bolt Hole (12mm) Swivel Castor (Press... Read Moreed Steel). Nylon Wheel with Roller Bearing. Load Capacity = 150kg - In Stock
80mm Swivel Castor, 130kg Capacity | Nylon Wheel, Roller Bearing (MSV080NY1B)
£7.5780mm White Nylon Wheel with a roller bearing fi... Read Moretted into a pressed steel swivel castor bracket. The Swivel Bracket has a 4 hole top plate with 80x60mm bolt hole spacing. The load capacity of this castor is 130kg using manual propulsion at 4km/h (walking speed)
The Nylon Wheel has a low tractive resistance making it easier to get moving under load compared with softer rubber tread wheels but may produce more noise when in use. The strength of nylon and because it wont damage concrete floors, makes nylon wheel castors probably the most popular choice and the roller bearing lowers the rolling resistance to reduce the effort required to move the castors. Put this wheel into a strong bracket that has a double ball race in the swivel head makes this castor a great choice for the widest range of industrial and domestic applications.
- In Stock
100mm Swivel Castor, 70kg Capacity | Rubber Tyre Wheel, Plain Bore (LSV100RP)
£5.48100mm Top Plate Swivel Castor with a Grey Rubber T... Read Moreyre Wheel on a Nylon Centre fitted. It has 80x60mm bolt hole centres and the load capacity is 70kg using manual propulsion at 4km/hThis popular general purpose castor is fitted with a Grey rubber tyre that is both non-marking and gentle on floors. The wheel has a roller bearing that lower the rolling resistance. It makes a great new component to make your equipment mobile or as a replacement castor. It is ideal for most general purpose domestic or industrial applications such as a trolley, dolly or furniture where the travel speed of the castor generally does not exceed walking speed. - In Stock
150mm Swivel Castor, 100kg Capacity | Thermoplastic Rubber Wheel, Ball Bearing (KATS150TPR)
£9.70Keystone Appa... Read Moreratus / Institutional Castor with 150mm Grey Thermoplastic Wheel fitted into a Pressed Steel Top Plate Swivel Castor with slotted bolt hole centres measuring 61.5/56 x 51.5/46.5 mm. The load capacity of this castor is 100kg using manual propulsion at 4km/h
Running on a quality ball bearing to offer 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.The wheel has a large plastic thread guard to protect the ball bearing from dirt ingress
- In Stock
125mm Swivel Castor, 100kg Capacity | Rubber Tyre Wheel, Ball Bearing (KAHS125TPR)
£11.73This apparatus /... Read More institutional castor comes with a 125mm 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/hThis 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
125mm Swivel Castor, 200kg Capacity | Rubber Tyre Wheel, Roller Bearing (DSRN12511030)
Original price was: £9.90.£9.61Current price is: £9.61. Sale!125mm Top Plate Swivel Castor (Pressed Steel) with... Read More 80x60mm Hole Centres. Blue Elastic Rubber Tyre on a Nylon Centre Wheel with Roller Bearing. Load Capacity = 200kg - In Stock
50mm Low Level Swivel Castor, 160kg Capacity | Polyurethane Tyre Wheel, Plain Bore (2SL050PT0L)
Original price was: £24.46.£23.75Current price is: £23.75. Sale!50mm Low Level Twin Wheel Swivel Castor (REVVO Bra... Read Morend). The Polyurethane tyre wheels have a tread width of 14mm each and turn on a smooth Plain Bore. The Load Capacity of 160kg.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 Stock
63mm Swivel Castor, 60kg Capacity | 63mm Rubber Tyre Wheel, Plain Bore (261RNST)
Original price was: £9.41.£9.14Current price is: £9.14. 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. - Out of Stock - On the Way
125mm Swivel Castor, 150kg Capacity | Rubber Tyre Wheel, Ball Bearing (1321118)
£15.55125mm Bolt Hole Swivel Castor (Pressed Steel) with... Read More 10mm Bolt Hole. Blue Rubber Tyre / Nylon Centre Wheel with Ball Bearing. Load Capacity = 150kg - Out of Stock - On the Way
125mm Swivel Castor, 150kg Capacity | Nylon Wheel, Plain Bore (1321070)
£8.30125mm Bolt Hole Swivel Castor (Pressed Steel) with... Read More 10mm Bolt Hole. Nylon Wheel with Plain Bore. Load Capacity = 150kg - In Stock
75mm Pressed Steel Swivel Castor, 170kg Capacity | Nylon Wheel, Plain Bore (K075VNY)
Original price was: £7.64.£7.42Current price is: £7.42. 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 Stock
75mm Swivel Castor, 150kg Capacity | Polyurethane Tyre Wheel, Plain Bore (361SU)
£22.7875mm Top Plate Swivel Castor (Pressed Steel - Flex... Read Moreello Brand). The top plate measures 105x80mm and has 80x60mm Bolt Hole Centres. The castor's overall height is 95mm and has a Polyurethane Tyre on a Cast Iron Centre castor wheel with 29mm Tread Width and Smooth Plain Bore. Load Capacity = 150kg