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, 350kg Capacity | Nylon Wheel, Ball Bearing (KSMG125NYB)
£35.14125mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105x80mm Fixing Bolt Hole Centres. White Nylon Wheel with Ball Bearings. Load Capacity = 350kgKey Specifications and 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: 350kg (manual propulsion at 4km/h)
- Nylon castor wheels have a hard tread making them one of the easiest to move (Low tractive resistance). They have a high load capacity, are low maintenance and extremely resistant to water, salts, greases, acids and alkalis.
- In Stock
125mm Swivel Castor, 360kg Capacity | Nylon Wheel, Plain Bore (561NY)
£25.52125mm Top Plate Swivel Castor (Pressed Steel) with... Read More 140x105mm Bolt Hole Centres. This castor houses a white Nylon Wheel with a smooth Plain Bore and has a Load Capacity of 360kg using manual propulsion at 5km/h (walking speed) - In Stock
125mm Swivel Castor, 360kg Capacity | Nylon Wheel, Roller Bearing (561NYB)
£30.84125mm Top Plate Swivel Castor (Pressed Steel) with... Read More 140x105 Hole Centres. Nylon Wheel with Roller Bearing. Load Capacity = 360kg - In Stock
125mm Swivel Castor, 370kg Capacity | Polyurethane Tyre Wheel, Ball bearing (MSW125APCB)
£36.27125mm Top Plate Swivel Castor (Fabricated Steel). ... Read More105x80 bolt hole centres. Polyurethane Tyre / Cast Iron Centre Wheel with Ball Journal. Load Capacity = 370kg - In Stock
125mm Swivel Castor, 400kg Capacity | Polyurethane Tyre Wheel, Ball bearing, (HKS12520241)
£89.17125mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105x80mm Bolt Hole Centres. Polyurethane Tyre / Cast Iron Centre Wheel with Ball bearing. Load Capacity = 400kg - In Stock
125mm Swivel Castor, 400kg Capacity | Polyurethane Tyre Wheel, Ball Bearing, (KSMG125PCB)
£50.53125mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105x80mm Bolt Hole Centres. Polyurethane Tyre / Cast Iron Centre Wheel with Ball Bearings. Load Capacity = 400kgKey Specifications and Features:- Top Plate Size: 140x110mm
- Bolt Hole Centres: Slotted 114x87mm / 97.5x71.5mm
- Fixing Bolt Size: 12mm
- Overall Height: 165mm
- Offset: 39mm
- Tread Hardness: 92 +/-3 Shore A
- Bearing Type: Ball Bearing
- Load Capacity: 400kg (manual propulsion at 4km/h)
- Polyurethane tyre castor wheels offer high load capacity and exceptional wear resistance—lasting up to 10 times longer than rubber wheels under similar conditions. With a soft tread that’s softer than concrete, they won’t damage floors and operate with minimal noise. Resistant to oils, greases, petrol, and a wide range of chemicals, they’re ideal for demanding environments.
- In Stock
125mm Swivel Castor, 400kg Capacity| Nylon Wheel, Ball Bearing (KS125NYBJ400)
£41.00125mm Swivel Castor (Heavy Duty Pressed Steel) wit... Read Moreh a 135mm x 110mm Top Plate with 105x80mm Fixing Hole spacings. The castor wheel is a Solid White Nylon Castor Wheel with two ball bearings. Load Capacity = 400kg - In Stock
125mm Swivel Castor, 425kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (TSH125PT1H)
£102.06125mm Heavy Duty Top Plate Swivel Castor (Fabri... Read Morecated Castor) with 105x80 Hole Centres. Polyurethane Tyre / Cast Iron Centre Wheel with Roller Bearing. Load Capacity = 425kg
Features 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, 500kg Capacity | Cast Iron Wheel, Ball bearing (HKS12520441)
£69.55125mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105x80 Hole Centres. Cast Iron Wheel with Ball bearing. Load Capacity = 500kg - In Stock
125mm Swivel Castor, 630kg Capacity | Cast Iron Wheel, Roller Bearing (TSH125CI1H)
£88.54125mm Heavy Duty Top Plate Swivel Castor (Fabricat... Read Moreed Castor) with 105x80mm Bolt Hole Centres. Cast Iron Wheel with Roller Bearing. Load Capacity = 630kgFeatures 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, 720kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (2SH125PT1H)
£200.16125mm Heavy Duty Top Plate Swivel Castor (Fabricat... Read Moreed Castor - Twin Wheel) with 105X80mm Fixing Bolt Hole Centres. Polyurethane Tyre / Cast Iron Centre Wheel with Roller Bearing. Load Capacity = 720kg - In Stock
125mm Swivel Castor, 85kg Capacity | Rubber Tyre Wheel, Ball Bearing (1321053)
£9.98125mm Top Plate Swivel Castor (Pressed Steel) w... Read Moreith 80x60 Hole Centres. Grey Rubber Tyre / Nylon Centre Wheel with Ball Bearing. Load Capacity = 85kg
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.
- Out of Stock - On the Way
125mm Swivel Castor, 85kg Capacity | Rubber Tyre Wheel, Ball Bearing (1321104)
£14.71125mm Bolt Hole Swivel Castor (Pressed Steel) with... Read More 10mm Bolt Hole. Grey Rubber Tyre / Nylon Centre Wheel with Ball Bearing. Load Capacity = 85kg - In Stock
130mm Shock Absorbing Swivel Castor, 350kg Capacity | 130mm Polyurethane Tyre Wheel (GDS13075SF)
£143.19130mm Shock Absorbing Swivel Castor (GDS130ASFHUD)... Read More, Polyurethane tyre on Aluminium Centre, Load Capacity = 350kg. Overall height without load = 200mm. Overall height reduces incrementally up to 30mm as load increases (see image 2 - GDS130 Compression Curve) and is fully compressed with a load of 120kg. - In Stock
150mm AGV Swivel Castor ,Twin Wheel, 630kg Load | Polyurethane Wheel, Ball bearing (GATD150ASFHUD)
Original price was: £828.35.£320.14Current price is: £320.14.Sale!This Twin wheel ... Read More150mm Automated Guided Vehicle (AGV) Castor has a bracket made from strong Forged steel that is zinc plated. There is a hardened Taper Roller Bearing in he swivel head, which has a grease nipple, for smooth swivelling action and durability. The Top Plate is 145mm x 145mm and has 4 bolt holes that are spaced 120mm x 120mm, each with a 11mm hole diameter.The castor is able to tilt +/- 5o from its central axis according to the flatness of the floor. This ensures that this castor's wheels keep contact with the floor allowing smooth AGV movement and protection of the loaded cargo when changing directions (See illustration below)The wheels are more widely separated from each other than most Twin Wheel Castors. When changing direction, the two wheels spin in opposite directions to each other which reduces the castor offset. The smaller the offset the less chance that the AGV will deviate from its designated line.This castor frame has two wheels with a Polyurethane tyre (Shore A 95) on an Aluminium centre each containing ball bearings, 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.
