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 Stock125mm Swivel Castor, 250kg Capacity | Rubber Tyre Wheel, Roller Bearing (MSK125RN1B)
£21.18125mm Top Plate Fixed Castor (Pressed Steel) with ... Read More80x60mm Hole Centres and 157mm overall height. The Blue Elastic Rubber Tyre wheel on a Nylon Centre contains a roller bearing and has a 40mm Tread Width. Load Capacity = 250kg.This castor is made from heavy gauge pressed steel with a 5mm thick Top Plate and 4mm Castor Forks. It is a product that is built to last and is great for arduous applications.Blue elastic rubber tyres provide the benefits of a rubber tyre wheel such as being gentle on floors and absorbing fine vibrations but they can hold more weight and are non-marking. They are a great solution if you need a rubber tyre wheel but the load being carried is too much for a castor with a standard rubber tyre wheel.- In Stock
125mm Swivel Castor, 150kg Capacity | Rubber Tyre Wheel, Ball Bearing (1321068)
£14.13125mm Top Plate Swivel Castor (Pressed Steel) w... Read Moreith 80x60 Hole Centres. Blue Rubber Tyre / Nylon Centre Wheel with Ball Bearing. Load Capacity = 150kg
This is a 4 hole plate fitting castor and the bolt holes suit an 8mm bolt as well as being slotted (rather than round) to accommodate 80/76mm x 60x44.5mm.
- In Stock
80mm Swivel Castor, 130kg Capacity | Rubber Tyre Wheel, Ball Bearing (MSV080RN2B)
£8.9880mm Blue Elastic Rubber Tyre wheel on a nylon cen... Read Moretre with a ball 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 130kg using manual propulsion at 4km/h (walking speed)The Blue Elastic Rubber Tyre offers a higher load capacity than standard grey or black rubber tyres and is non-marking, gentle on floors. The rubber 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. Put this wheel into a strong bracket that has a double ball race in the swivel head makes this castors a truly great performer.</p> - In Stock
200mm Swivel Castor, 500kg Capacity | Polyurethane Tyre Wheel, Ball Bearing (MSK200PN2B)
£48.52200mm Top Plate Swivel Castor (Pressed Steel) with... Read More 105x80mm Fixing Bolt Hole Centres. Polyurethane Tyre on a Nylon Centre Wheel with Ball Bearings. Load Capacity = 500kg. - In Stock
125mm Swivel Castor, 250kg Capacity | Rubber Tyre Wheel, Ball Bearing, (KSMG125EAB)
£38.31125mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith with 105x80mm Fixing Bolt Hole Centres. This castor is fitted with a Black Elastic Rubber Tyre on an Aluminium Centre Wheel with Ball Bearings. Load Capacity = 250kg using manual propulsion at 4km/h (walking speed).Key Specifications & Features- Top Plate Size: 140x110mm
- Bolt Hole Centres: Slotted 114x87mm / 97.5x71.5mm
- Fixing Bolt Size: 12mm
- Overall Height: 165mm
- Offset: 39mm
- Bearing Type: Ball Bearing
- Load Capacity: 250kg (manual propulsion at 4km/h)
- Elastic rubber tyre castor wheels have a higher load capacity and lower rolling resistance (easier to get moving) than normal rubber tyre. They have a high resistance to wear and offer excellent running and operating comfort.
- In Stock
50mm Compact Swivel Castor, 150kg Capacity | Polyurethane Tyre Wheel, Ball bearing (KS050PT2BBH)
£14.5950mm Low Level swivel castor with 12mm Single Bolt... Read More Hole Fixing. This Low Level compact castor has an overall height of 70mm and an Orange Polyurethane Wheel on a steel centre with a 33mm Tread Width and Ball bearings. Load Capacity = 150kg - In Stock
50mm Low Level Swivel Castor, 160kg Capacity | Polyurethane Tyre Wheel, Plain Bore (MSTW050PT)
Original price was: £21.36.£14.95Current price is: £14.95.Sale!50mm Low Level Twin Wheel Swivel Castor (Keystone)... Read More with a round top plate. 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.The 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
150mm Shock Absorbing Swivel Castor, 360kg Capacity | Polyurethane Tyre Wheel, Ball bearing (KGDSP150ASFMUD)
Original price was: £123.23.£65.49Current price is: £65.49.Sale!150mm 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
80mm Swivel Castor, 130kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (MSVH080PN1B)
£7.1880mm Single Bolt Hole (12mm) Swivel Castor (Presse... Read Mored Steel). Polyurethane Tyred / Nylon Centred Wheel with Roller Bearing. Load Capacity = 130kg - In Stock
200mm 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 Stock
125mm AGV Swivel Castor, Twin Wheel, 440kg Capacity | Polyurethane Wheel, Ball bearing (GASD125ASFHUD)
Original price was: £700.30.£270.65Current price is: £270.65.Sale!This Twin wheel ... Read MoreAutomated Guided Vehicle (AGV) Castor with 125m diameter wheels has a shock absorbing 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 145mm x 145mm and has 4 bolt holes that are spaced 120mm x 120mm, each with a 11mm hole diameterThis 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
100mm Swivel Castor, 100kg Capacity | Rubber Tyre Wheel, Ball Bearing (KAHS100TPR)
£10.21This apparatu... Read Mores / institutional castor comes with a 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
75mm Swivel Castor, 90kg Capacity | Rubber Tyre Wheel, Plain Bore (361RN)
£7.1875mm Top Plate Swivel Castor (Flexello 61 Serie... Read Mores) with 80x60 Bolt Hole Centres. Blue Elastic Rubber Tyre on a Nylon Centre Wheel with Plain Bore. Load Capacity = 90kg
The Flexello 61 Series is an established industry standard range of Pressed Steel Castors that is suitable for most industrial or domestic applications. This range has a ball bearing swivel head and finished with a bright zinc plating.
- In Stock
125mm Swivel Castor, 250kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (MSK125PN1B)
£16.30125mm Top Plate Swivel Castor (Pressed Steel) with... Read More 80x60mm Hole Centres and 157mm Overall Height. Polyurethane Tyre caster wheel with a nylon Centre Wheel and 34mm Tread Width with Roller Bearing. Load Capacity = 250kg.This castor is made from heavy gauge pressed steel with a 5mm thick Top Plate and 4mm Castor Forks. It is a product that is built to last and is great for arduous applications. - In Stock
50mm Low Level Swivel Castor, 160kg Capacity | Nylon Wheel, Plain Bore (2SL050NY0L)
Original price was: £18.51.£14.90Current price is: £14.90.Sale!50mm Low Level Twin Wheel Swivel Castor (REVVO Bra... Read Morend) with round top plate. The Nylon Wheels have a tread width of 14mm each and turn on a smooth Plain Bore. The Load Capacity of this castor is 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)
