![Swivel Castors](https://www.keystonecastors.co.uk/wp-content/uploads/2023/06/150mm-Swivel-Castor-with-Red-Polyurethane-Tyre-White-Nylon-Centre-Wheel-622PNB-scaled.jpg)
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
100mm Swivel Castor, 150kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (MSV100PN1B)
£9.51100mm Red Polyurethane Tyre Wheel on a Nylon Ce... Read Morentre with a roller bearing fitted 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 150kg using manual propulsion at 4km/h (walking speed)
The Polyurethane tyre offers a low tractive resistance making it easier to get moving compared with softer rubber tread wheels. It is also a bit softer than hard tread wheels making the castor smoother and quieter running. The polyurethane tyre is also non-marking and gentle on floors while 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 and you have a castor that is a great choice for the wide range of industrial and domestic applications.
- In Stock
100mm Swivel Castor, 150kg Capacity | Nylon Wheel, Roller Bearing (MSV100NY1B)
£7.35100mm White Nylon Wheel with a roller bearing f... Read Moreitted 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 150kg using manual propulsion at 4km/h (walking speed)
The Nylon Wheel is a hard wheel giving it a low tractive resistance which makes it it easier to get moving compared with softer rubber tread wheels. The strength of nylon and because it wont damage concrete floors makes it one of the most popular choices. 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
63mm Swivel Castor, 60kg Capacity | 63mm Rubber Tyre Wheel, Plain Bore (261RN)
£8.5063mm Swivel Castor (Pressed Steel) with 4-hole top... Read More plate and 76x44.5mm Fixing Bolt Hole Centres 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. - In Stock
50mm Swivel Castor, 23kg Capacity | Rubber Tyre Wheel, Plain Bore (KLMP2014)
£2.4050mm Grey Rub... Read Moreber Tyre on a polypropylene (plastic) Centre Wheel fitted into a Top Plate Swivel Castor with 38x38mm bolt hole centres. The load capacity of this castor is 23kg using manual propulsion at 4km/h
This popular general, light duty purpose castor will not mark or damage the floor and is ideal for most domestic and industrial castor uses where a small yet sturdy castor in needed.
- In Stock
160mm Swivel Castor, 135kg Capacity | Rubber Tyre Wheel, Roller Bearing (LI160RMBNOTG)
Original price was: £9.87.£9.58Current price is: £9.58. Sale!160mm Top Plate Swivel Castor (Pressed Steel) with... Read More 105x80 Hole Centres. Black Rubber Tyre / Metal Centre Centre Wheel with Roller Bearing. Load Capacity = 135kg - In Stock
150mm Swivel Castor, 500kg Capacity | Nylon Wheel, Plain Bore (622NY)
£26.41150mm Top Plate Swivel Castor (Pressed Steel) with... Read More 105x80 Hole Centres. Nylon Wheel with Plain Bore. Load Capacity = 500kg - In Stock
260mm Swivel Castor, 150kg Capacity | Pneumatic Wheel, Roller Bearing (KS260APNB)
£67.90260mm Pneumatic Top Plate Swivel Castor (Pressed S... Read Moreteel) with 150x115mm Fixing Bolt Hole Centres. Pneumatic Tyre / Metal Centre Wheel with Roller Bearing. Load Capacity = 150kg.This wheel is sized 3.00-8 with a 2 ply tyre thickness making it a strong Light-Medium duty wheel and though it has a 10" diameter, it is also commonly referred to as a 260mm wheel. - In Stock
100mm Stainless Steel Swivel Castor, 150kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (MSS100PNB)
£23.64100mm Top Plate Swivel Castor (Stainless Steel Cas... Read Moretor) with 80x60mm Bolt Hole Centres. Polyurethane Tyre / Nylon Centre Wheel with Roller Bearing. Load Capacity = 150kg - In Stock
50mm Swivel Castor, 50kg Capacity | Polypropylene Wheel, Plain Bore (LSV050PP)
£2.1950mm White Polyp... Read Moreropylene Wheel fitted into a Top Plate Swivel Castor with 36x36mm bolt hole centres. The load capacity of this castor is 50kg using manual propulsion at 4km/hThis popular general purpose castor is fitted with a hard white polypropylene wheel that will not mark or damage the floor. Because this wheel is a hard tread it will offer less rolling and swivelling resistance than a soft rubber tread. This castor is ideal for most domestic and industrial, light duty castor uses where a small yet sturdy castor in needed. - In Stock
63mm Footmaster Levelling Castor, 500kg Capacity | 63mm Nylon Wheel (KGDR-80F)
£62.8663mm Footmaster Levelling Castor with Top Plate... Read More Fitting. 500kg Static and 250kg Dynamic Load Capacity Die Cast Aluminium Foot Pad With Vibration Damping Rubber Pad. Nylon Handwheel with Retractable Ratchet.
The Footmaster levelling castor is a multi-functional swivel castor that provides mobility, levelling and anti-vibration functions. This allows users to move and position large equipment into place with added stability using the levelling and anti-vibration features.
Because of the lifting and lowering function of the Foot Master castor, like all Jacking Castors, it is important understand that each castor may be subjected to HALF THE TOTAL WEIGHT. Therefore, the recommended load capacity for each Foot Master Levelling Castor is half the castor's Static Load Capacity, that is, when the castors' levelling function is not being used. The load capacity of the Footmaster Castor when it is being moved and positioned is given by the Dynamic Load Capacity.
This load capacity of the Footmaster Castor when being moved and positioned is given by the Dynamic Load Capacity.
- In Stock
97mm Footmaster Levelling Castor, Plate Fitting, 1500kg Capacity | 97mm Nylon Wheel (KGD-150F)
£92.3597mm Footmaster Levelling Castor with Top Plate... Read More Fitting. 1500kg Static and 750kg Dynamic Load Capacity. The Die Cast Aluminium Foot Pad has a rubber vibration damping pad operated by a Hex Adjuster with M20 Leveler (Spanner not included)
The Footmaster levelling castor is a multi-functional swivel castor that provides mobility, levelling and anti-vibration functions. This allows users to move and position large equipment into place with added stability using the levelling and anti-vibration features.
Because of the lifting and lowering function of the Foot Master castor, like all Jacking Castors, it is important understand that each castor may be subjected to HALF THE TOTAL WEIGHT. Therefore, the recommended load capacity for each Foot Master Levelling Castor is half the castor's Static Load Capacity, that is, when the castors' levelling function is not being used. The load capacity of the Footmaster Castor when it is being moved and positioned is given by the Dynamic Load Capacity.
This load capacity of the Footmaster Castor when being moved and positioned is given by the Dynamic Load Capacity.
- In Stock
200mm Stainless Steel Swivel Castor, 300kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (MSS200PNB)
£62.51200mm 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 - Out of Stock - On the Way
150mm Shock Absorbing Swivel Castor, 360kg Capacity | Polyurethane Tyre Wheel, Ball bearing (KGDSP150ASFMUD)
£66.95150mm Shock absorbing (14mm Compression) Swivel... Read More castor and Polyurethane Tyred Aluminium Wheel. Load Capacity = 360kg
For the compression performance, please see the image for the curve by clicking on the thumbnail image above. To use this curve, please calculate the weight being carried by this castor and divide that by the one less than the number of castors on your equipment, So if you have a trolley using 4 of these castors and the total weight being carried is 500kg, then the compression of the rubber pad is the reading given on the y axis at 167kg (500kg / 3 = 167kg) which is between 11 and 12mm.
- In Stock
100mm Swivel Castor, 150kg Capacity | Rubber Tyre Wheel, Ball Bearing (1321828)
£13.81100mm Bolt Hole Swivel Castor (Pressed Steel) with... Read More 10mm Bolt Hole. Blue Rubber Tyre / Nylon Centre Wheel with Ball Bearing. Load Capacity = 150kg - In Stock
100mm Swivel Castor, 150kg Capacity | Nylon Wheel, Plain Bore (1321780)
£7.29100mm Bolt Hole Swivel Castor (Pressed Steel) with... Read More 10mm Bolt Hole. Nylon Wheel with Plain Bore. Load Capacity = 150kg