
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 Stock150mm Swivel Castor, 300kg Capacity | Rubber Tyre Wheel, Ball Bearing (KSMG150EAB)
£38.67150mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105x80mm Fixing Bolt Hole Centres. Black Elastic Rubber Tyre on an Aluminium Centre Wheel with Ball Bearings. Load Capacity = 300kgKey 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
Out of Stock - On the Way125mm Swivel Castor, 150kg Capacity | Nylon Wheel, Ball Bearing (1321108)
£10.52125mm Bolt Hole Swivel Castor (Pressed Steel) with... Read More 10mm Bolt Hole. Nylon Wheel with Ball Bearing. Load Capacity = 150kg
Out of Stock - On the Way250mm Swivel Castor, 1100kg Capacity | Nylon Wheel, Ball Bearing (KS250NYB1100)
£149.63250mm Top Plate Swivel Castor (Industrial Castor) ... Read Morewith 160x120 Hole Centres. Nylon Wheel with Ball Bearing. Load Capacity = 1100kg
In Stock100mm Spring Loaded Gate Castor with non-marking wheel, 57kg Load Capacity (GCLD100)
Original price was: £13.09.£10.11Current price is: £10.11.Sale!Standard Gate Castor spring loaded for use on unev... Read Moreen surfaces. This gate castor comes with a swivel castor bracket with a 100mm non-marking wheel. It comes pre-drilled with two 10mm fixing holes spaced 60mm apart.Spring loaded gate castors help with opening and closing heavy gates (57kg) and because the spring allows the height to adjust with when it moves, it is suitable for use on uneven surfaces. The gate castor will help support the gate to help prevent it from dragging on the floor and hinge damage
In Stock110mm AGV Swivel Castor, 400kg Capacity | 110mm Polyurethane Wheel, Ball bearing (GSAD110ASF)
Original price was: £866.95.£335.06Current price is: £335.06.Sale!110mm Automated ... Read MoreGuided Vehicle (AGV) Castor with a dual swivel head fitted with double precision ball bearings to optimise heavy loads. This provides a self-aligning function with two swivelling axes (axis) with different swivelling radii so that the castor aligns on its own according to the moving direction which reduces the turning circle of the castor. The load capacity of this castor is 400kgThe AGV castor comes with twin polyurethane tyre wheels fitted with precision ball bearings which are fitted to a strong welded steel frame that is powder coated with a bolted wheel axle.
In Stock150mm Swivel Castor, 1100kg Capacity | Polyurethane Tyre Wheel, Ball Bearing (2HKSE15020241)
£202.56150mm Heavy Duty Top Plate Swivel Castor (Fabricat... Read Moreed Castor - Twin Wheel). The Top Plate measures 149x110mm with 105x80mm Fixing Hole Centres. A grease nipple is fitted to the swivel head to enable easy maintenance. The load capacity of this dual wheel castor is 1100kg.This castor has directional lock slots in the swivel head to enable the attachment of a retro fit directional lock (HKDL).The overall height of this castor is 238mm.The Wheel has a Polyurethane Tyre (92 Shore A) on a Cast Iron Centre Wheel with Ball Bearings. The polyurethane tyre is abrasion resistant with a low rolling resistance. The elasticity of the polyurethane allows the wheel absorb some of the rolling vibrations. This provides the user with a smoother and quieter operation yet is gentler on concrete floors compared to hard treads such as Cast Iron.
In Stock150mm Swivel Castor, 300kg Capacity | Rubber Tyre Wheel, Roller Bearing (KS150RNB300)
£39.10150mm Top Plate Swivel Castor with 105x80mm Hole C... Read Moreentres. Blue Elastic Rubber Tyre on a Nylon Centre Wheel with Roller Bearing. Load Capacity = 300kg.Blue elastic rubber tyre caster wheels offer a higher load capacity over standard grey or black rubbers and will not mark floors.
In Stock75mm Footmaster Levelling Castor, Plate Fitting, 800kg Capacity | Nylon Wheel (KGD-100F-105X80)
Original price was: £57.04.£53.50Current price is: £53.50.Sale!75mm Foot Master Levelling Castor with an Ivory Co... Read Morelour powder coating finish. This product has a 4-hole top plate with 105mm x 80mm bolt hole centres which is also powder coated for added protection. The wheel is made from premium quality black Nylon with a 30mm Tread width and the Die Cast Aluminium Foot Pad has a rubber vibration damping pad. This foot pad has a Nylon Hand-wheel operationThis product's load capacity has increased to 800kg Static Load and 400kg Dynamic Load (GD-100F-NYN-PEU)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 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.

Out of Stock - On the Way40mm Swivel Castor, 15kg Capacity | Rubber Tyre Wheel, Plain Bore (YS040RP15KP)
£2.2340mm Grey Rubber... Read More Tyre Wheel on a nylon centre fitted into a Top Plate Swivel Castor with 27x27mm bolt hole centres. The load capacity of this castor is 15kg using manual propulsion at 4km/hThis popular general, light duty purpose castor is fitted with a grey rubber tyre that 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 Stock100mm Swivel Castor, 300kg Capacity | Polyurethane Tyre Wheel, Ball Bearing (MSK100PC2B)
£54.89100mm Top Plate Swivel Castor (Heavy Gauge Pressed... Read More Steel) with an Orange Polyurethane Tyre on a Cast Iron Centre Wheel with Dual Ball Bearings. The Load Capacity is 300kg using manual propulsion at 4km/h (walking speed)Key Specifications:- Top Plate Dimensions: 105x85mm
- Bolt Hole Centres: 80x60mm
- Bolt Hole Size: 9mm (to suit M8 Fixing Bolts)
- Overall Height: 130mm
- Offset: 45mm
- Swivel Radius: 95mm
- Wheel Material: Orange Polyurethane Tyre on a Cast Iron Centre
- Tyre Hardness: 95 Shore A
- Wheel Tread Width: 40mm
- Bearing Type: Ball Bearings
- Heavy Gauge Steel: 5mm Top Plate / 4mm Bracket
- High Load Capacity Wheel
- Quiet Operation
- Gentle on Floors
In Stock160mm Swivel Castor, 300kg Capacity | Rubber Tyre Wheel, Roller Bearing (MSZ160RN1B)
£29.41160mm Top Plate Swivel Castor (Pressed Steel) with... Read More 105x80mm Fixing Bolt Hole Centres. Blue Elastic Rubber Tyre on a Black Nylon Centre Wheel with Roller Bearing. Load Capacity = 300kg using manual propulsion at 4km/h.
Out of Stock - On the Way200mm Swivel Castor, 800kg Capacity, Nylon Wheel, Ball Bearing (KS200NYBJ800)
£81.48200mm Swivel Castor (Heavy Duty Pressed Steel) wit... Read Moreh a 135mm x 110mm Top Plate and 105x80mm Fixing Bolt Hole spacings. The castor wheel is a Solid White Nylon with two shielded ball bearings. Load Capacity = 800kg- The castor wheel is a heavy-duty polyamide 6 (usually referred to as nylon) wheel with shielded ball bearing and is not affected by water.
- Being a hard tread it offers the lowest rolling resistance and easiest mobility.
- This castor is a popular choice in a wide variety of heavy-duty applications and the Nylon wheel will not damage or mark concrete floors
- The castor wheel is a heavy-duty polyamide 6 (usually referred to as nylon) wheel with shielded ball bearing and is not affected by water.
In Stock100mm Shock Absorbing Swivel Castor, 100kg Capacity | Polyurethane Tyre Wheel (GDSB100ASFLUD75)
£85.84... Read More-variant-east-asian: normal; font-size: 14px;">100mm Shock Absorbing Swivel Castor, Polyurethane tyre wheel with an Aluminium Centre and precision ball bearings, The polyurethane tyre has a shore hardness of A90 and the Load Capacity of the castor is 100kg.
The Overall height without a load is 171mm and this reduces incrementally by up to 20mm as load increases (see image 2 - GDS100 Curve). It is fully compressed with a load of 75kg.
In Stock150mm Swivel Castor, 1020kg Capacity | Cast Iron Wheel, Plain Bore (655CI)
£82.79150mm Top Plate Swivel Castor. The 4 hole top p... Read Morelate measures 162mm x 140mm with 140mm x 105mm Bolt Hole Centres. to suit a 10mm Fixing Bolt. The Wheel is a solid Cast Iron with a smooth plain bore. Load Capacity = 1020kg.
The 55 series castor is made from heavy duty pressed steel with a bright zinc finish and roller ball bearing in the swivel head.

















