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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 Stock80mm Stainless Steel Swivel Castor, 150kg Capacity | Nylon Wheel, Plain Bore (MSS080NY)
£14.6580mm Top Plate Swivel Castor (Stainless Steel Cast... Read Moreor) with 80x60mm Bolt Hole Centres. Nylon castor wheel with Plain Bore. Load Capacity = 150kg -
In Stock150mm Swivel Castor, 300kg Capacity | Rubber Tyre Wheel, Plain Bore (661RN)
£41.06150mm Top Plate Swivel Castor (Pressed Steel) with... Read More 140x105 Hole Centres. Rubber Tyre / Nylon Centre Wheel with Plain Bore. Load Capacity = 300kg -
In Stock125mm Swivel Castor, 325kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (561SUB)
£53.61125mm Top Plate Swivel Castor made from Pressed St... Read Moreeel (Flexello Brand) and has a ball bearing swivel race. The Top Plate has four fixing holes to suit 10mm bolts and are slotted to 140/120mm x 105/95mm Bolt Hole Centres. The caster wheel has a Red Polyurethane Tyre on a Cast Iron Centre Wheel with with A 35mm Tread Width and a Needle Roller Bearing. Load Capacity = 325kg -
In Stock125mm AGV Swivel Castor, Twin Wheel, 440kg Load | Polyurethane Wheel, Ball bearing (GAAD125ASFHUD)
Original price was: £766.17.£296.11Current price is: £296.11. Sale!This Twin wheel ... Read More125mm 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 15mm to 33mm which reduces the castors 'swing' enabling it to better follow the 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, 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 Stock97mm Footmaster Levelling Castor, Plate Fitting, 1500kg Capacity | 97mm Nylon Wheel (KGD-150F)
£95.5997mm Footmaster Levelling Castor with Top Plate Fi... Read Moretting. 1500kg Static and 750kg Dynamic Load Capacity. The Die Cast Aluminium Foot Pad is operated by a Hex Adjuster with M20 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.
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In Stock150mm Swivel Castor, 100kg Capacity | Rubber Tyre Wheel, Ball Bearing (KAHS150TPR)
£15.29This apparatu... Read Mores / institutional castor comes with a 150mm 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
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In Stock80mm High Temperature Swivel Castor, 100kg Capacity | Phenolic Resin Wheel, Plain Bore (MSX080HT)
£17.2880mm Swivel Castor (Pressed Steel) with 80x60mm Bo... Read Morelt Hole Centres, 108mm Overall Height and High Temperature Black Phenolic Wheel with 35m Tread Width and Smooth Plain Bore. This castor is Rated to +280 degrees C. and has a Load Capacity of 100kg -
In Stock100mm Stainless Steel Swivel Castor, 150kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (MSS100PNBBH)
£23.71100mm Bolt Hole Swivel Castor (Stainless Steel Cas... Read Moretor) with 12mm Bolt Hole. Polyurethane Tyre / Nylon Centre Wheel with Roller Bearing. Load Capacity = 150kg -
In Stock150mm Swivel Castor, 2200kg Capacity | Cast Nylon Wheel, Ball bearing (GXT150ASFMCD)
Original price was: £422.64.£265.43Current price is: £265.43. Sale!150mm Machine Ca... Read Morest Nylon Wheel fitted into an extra strong Fabricated Top Plate Swivel Castor with 148/132x111/99mm bolt hole centres. The slotted bolt holes incorporate the European and UK standard 140x105mm bolt holes. The load capacity of this castor is 2200kg at 4km/h This high performance castor is fitted with a white machine cast nylon wheel that will not mark the floor. An extra strong welded castor frame that is powder coated and fitted with a high performance castor wheel containing two ball bearings that turns on a specially designed integrated axle shaft arrangement makes this castor one of the most durable in the market. Perfect for moving very heavy loads where strength, durability and performance are critical The swivel head of the 125mm - 250mm sizes of the GXT range come with a thrust bearing and a taper roller bearing in the swivel head. -
In Stock35mm Compact Swivel Castor, 100kg Capacity | Polyurethane Tyre Wheel, Ball bearing (KS035PT2BBH)
£10.2935mm Low Level swivel castor with 10mm Single Bolt... Read More Hole Fixing. This Low Level compact castor has an overall height of 50mm and an Orange Polyurethane Wheel on a steel centre with a 27mm Tread Width and Ball bearings. Load Capacity = 100kg -
In Stock125mm Swivel Castor, 100kg Capacity | Rubber Tyre Wheel, Ball Bearing (KAHS125TPR)
£12.15This apparatus /... Read More institutional castor comes with a 125mm 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 Stock150mm Swivel Castor, 520kg Capacity | Nylon Wheel, Roller Bearing (661NYB)
£43.20150mm Flexello Top Plate Swivel Castor (Pressed St... Read Moreeel) with 140x105 Hole Centres. Nylon Wheel with Roller Bearing. Load Capacity = 520kg -
In Stock160mm Swivel Castor, 200kg Capacity | Nylon Wheel, Roller Bearing (MSVH160NY1B)
£17.69160mm Single Bolt Hole (12mm) Swivel Castor (Press... Read Moreed Steel) and Nylon Wheel with Roller Bearing. Load Capacity = 200kg -
In StockSwivel Castor, 1000kg Capacity | 150mm Polyurethane Tyre Wheel, Ball bearing, (K2ST150PC2B)
£301.24150mm Twin Wheel Extra Heavy Duty Fabricated Sw... Read Moreivel Castor. The swivel head turns on thrust and taper roller bearings for extra strength and the bracket is finished in black epoxy paint.
This castor has a top plate measuring 170mm x 170mm with bolt hole spacings of 130mm x 130mm drilled to 13mm diameter. The two Polyurethane Tyre on a Cast Iron Centre wheels each have ball bearings fitted to reduce the rolling resistance.
The castor has a 1000kg Load Rating at 4km/h
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In Stock100mm Swivel Castor, 225kg Capacity | Nylon Wheel, Roller Bearing (TS4100NY14)
£22.34100mm Swivel Castor (REVVO Brand) with a White Nyl... Read Moreon Wheel. The top plate measures 135mm x 110mm and the Fixing Bolt Hole Centres are 105x80mm. The castor wheel has a 35mm Tread Width with a Needle Roller Bearing and the Load Capacity is 225kg using manual propulsion at 4km/h (walking speed). The white nylon wheel is a hard tread which provides the lowest rolling resistance and maximum mobility. Being nylon the wheel is non-marking and will not damage concrete floors.
