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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 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 Stock200mm Swivel Castor, 500kg Capacity | Nylon Wheel, Ball Bearing (MSK200NY2B)
£36.34200mm Top Plate Swivel Castor (Pressed Steel) with... Read More 105x80mm Fixing Bolt Hole Centres. White Nylon Wheel with Ball Bearings. Load Capacity = 500kg.
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In Stock100mm Swivel Castor, 80kg Capacity | Rubber Tyre Wheel, Plain Bore (LSV100RPBH)
£6.10100mm Grey Rubber Tyre wheel with a polypropyle... Read Morene centre fitted into a 12mm Single Bolt Hole Swivel Castor (Pressed Steel castor frame). This castor has a 80kg load capacity using manual propulsion at 4 km/h.
This castor is fitted with a grey rubber tyre that will not mark the floor and is ideal for most general castor purposes such as trolley castors or dolly castors. 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
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In Stock50mm Swivel Castor, 23kg Capacity | Rubber Tyre Wheel, Plain Bore (KLMP2014)
£2.4950mm 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.
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In Stock75mm AGV Swivel Castor, Twin Wheel, 250kg Load | Polyurethane Wheel, Ball bearing (GAAD75ASFHUD)
Original price was: £510.48.£197.30Current price is: £197.30. Sale!This Twin wheel ... Read More75mm 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 castor is unique because it has a self-aligned function enabled by two swivelling axes each with different swivelling radii so that the castor's offset can automatically alter when changing direction to optimise the castor's turning circle for the AGV. Specifically, the offset can range from 10mm to 30mm which reduces the castors 'swing' enabling it to better follow the designated path.
The Top Plate is 112mm x 112mm and has 4 bolt holes that are spaced 92mm x 92mm, each with a 9mm hole diameter,
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. -
In Stock100mm Swivel Castor, 150kg Capacity | Nylon Wheel, Ball Bearing, (MSVH100NY2B)
£8.48100mm Single Bolt Hole (12mm) Pressed Steel Swivel... Read More Castor. This castor has Nylon Wheel with a Single Ball Bearing. The Load Capacity is 150kg using manual propulsion at 4km/h. -
In Stock75mm Footmaster Levelling Castor, Stem Fitting, 100kg Capacity | Nylon Wheel (KGD-120S)
£67.7775mm Footmaster Levelling Castor with M16x 24mm St... Read Moreem Fitting. 1000kg Static and 500kg Dynamic Load Capacity. Die Cast Aluminium Foot Pad. Hex Adjuster with M16 Leveler (Spanner not included) The Foot Master levelling castor is a multi-functional swivel castor that provides mobility and levelling functions. This allows users to move and position large equipment into place with added stability using the levelling feature. 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 levelled is given by the Dynamic Load Capacity. -
In Stock150mm AGV Swivel Castor, Twin Wheel, 630kg Capacity | Polyurethane Wheel, Ball bearing (GASD150ASFHUD)
Original price was: £828.35.£320.14Current price is: £320.14. Sale!This Twin wheel ... Read MoreAutomated Guided Vehicle (AGV) Castor with 150m diameter wheels has 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 diameter This 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 Stock50mm Swivel Castor, 40kg Capacity | Nylon Wheel, Plain Bore (1350000)
£2.2350mm Top Plate Swivel Castor (Pressed Steel) with ... Read More54x25mm Fixing Bolt Hole Centres. White Nylon Wheel with Plain Bore. Load Capacity = 40kg -
In Stock200mm Swivel Castor, 300kg Capacity | Nylon Wheel, Roller Bearing (MSV200NY1B)
£24.84200mm Top Plate Swivel Castor (Pressed Steel) with... Read More 105x80mm Hole Centres and 235mm Overall height. The White Nylon Wheel has a 50mm Tread Width and a Roller Bearing. Load Capacity = 300kg -
In Stock125mm 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 Stock100mm Swivel Castor, 250kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (422SUB)
£43.60100mm Top Plate Swivel Castor (Flexello - Pressed ... Read MoreSteel) with 80x60mm Fixing Bolt Hole Centres. Red Polyurethane Tyre on a Red Painted Cast Iron Centre Wheel with Roller Bearing. Load Capacity = 250kg.
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In Stock240mm Swivel Castor 150kg Load Capacity, Puncture Proof, Pressed Steel Bracket (KS260EVA)
£96.35240mm Puncture Proof Swivel Castor (Pressed Steel)... Read More with 200X160mm Top Plate Dimensions and 150X115mm Fixing Bolt Hole Centres. This Castors has an Overall Height of 297mm. The wheel has an 85mm Tread Width and Roller Bearing. Load Capacity = 150kg. -
In Stock100mm Swivel Castor, 150kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (1321726)
£14.25100mm Top Plate Swivel Castor (Pressed Steel) with... Read More 80x60 Hole Centres. Polyurethane Tyre / Nylon Centre Wheel with Roller 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 Stock75mm Footmaster Castor with Levelling Foot, 700kg Capacity | Nylon Wheel, Ball bearing (KGDL75ASFNYD)
Original price was: £85.44.£51.03Current price is: £51.03. Sale!This 75mm Heavy Duty Levelling Castor with a Black... Read More Nylon wheel (Ball Bearing) and adjustable foot (GDL-75-ASF-NYD). This castor is a swivel castor with a load capacity of 700kg. The aluminium castor frame has a durable ivory coloured powder coating for protection against wear and tear. The overall height of the castor is 110mm and the adjustable foot can extend by up to 18mm to enable precise levelling. The load capacity of this product is 700kg and the recommended maximum total load over 4 castors is 2,100kg. -
In StockSwivel Castor, 250mm, 615kg Capacity, Rubber Tyre Wheel, Ball Bearing, (HKS25025341)
£156.81250mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105X80mm Fixing Bolt Hole Centres. Rubber Tyre / Cast Iron Centre Wheel with Ball Bearing. Load Capacity = 615kg
