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, Ball bearing, (HKS12520341)
£87.87125mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105x80 Hole Centres. Elastic Rubber Tyre / Aluminium Centre Wheel with Ball bearing. Load Capacity = 250kg- In Stock
125mm Swivel Castor, 300kg Capacity | Nylon Wheel, Ball bearing (HKS12520111)
£72.90125mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105x80 Hole Centres. Nylon Wheel with Ball bearing. Load Capacity = 300kg - In Stock
300mm Swivel Castor, 1300kg Capacity | Polyurethane Tyre Wheel, Ball bearing (HKS30025241)
£213.90300mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105x80 Hole Centres. Polyurethane Tyre / Cast Iron Centre Wheel with Ball bearing. Load Capacity = 1300kg - In Stock
250mm Swivel Castor, 1150kg Capacity | Polyurethane Tyre Wheel, Ball bearing (HKS25025241)
£158.09250mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105x80mm Fixing Bolt Hole Centres and an overall height of 303mm. The castor wheel has a Polyurethane Tyre and a Cast Iron Centre Wheel with Ball bearings. The Load Capacity is 1150kg using manual propulsion at 4km/h. - In Stock
200mm Swivel Castor, 1000kg Capacity | Polyurethane Tyre Wheel, Ball bearing (HKS20020241)
£137.90200mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105x80 Hole Centres. Polyurethane Tyre / Cast Iron Centre Wheel with Ball bearing. Load Capacity = 1000kg - In Stock
150mm Swivel Castor, 700kg Capacity | Polyurethane Tyre Wheel, Ball bearing (HKS15020241)
£102.45150mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105x80 Hole Centres. Polyurethane Tyre / Cast Iron Centre Wheel with Ball bearing. Load Capacity = 700kg - 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
200mm Swivel Castor, 550kg Capacity | Nylon Wheel, Ball Bearing (KS200NYB550)
£51.56200mm Top Plate Swivel Castor (Industrial Castor) ... Read Morewith 105x80 Hole Centres. Nylon Wheel with Ball Bearing. Load Capacity = 550kg - In Stock
80mm Low Level Swivel Castor, 700kg Capacity | Nylon Wheel, Ball bearing (KS080NYBJ700)
£32.3980mm Low Level Swivel Castor fitted with an extra ... Read Moreheavy duty Nylon Wheel running on Ball Bearings. The 4 hole Top Plate has 80x60mm Bolt Hole centres and the load capacity of this castor is 700kg.This castor is ideal for heavy duty applications where there is a height restriction and the White Nylon Wheel is non-marking and won't damage concrete floors - In Stock
75mm Black Low Level High Load Swivel Castor, 540kg Capacity | Nylon Wheel, Roller Bearing (BMCS75E)
Original price was: £30.79.£21.56Current price is: £21.56.Sale!This High Load / Low Level Swivel Castor is made t... Read Moreo take a heavy load with a low overall height of 104mm. It has a 4 hole top plate measuring 105x79.5mm with 85.4x60.35mm bolt hole centres and the swivel head is fitted with a grease nipple.To enable the castor to operate under heavy loads of up to 540kg each castor (1,620kg total load capacity with 4 castors fitted), the swivel head has a heavy duty double ball bearing race.The caster wheel is heavy duty nylon with a 46mm tread width and needle roller bearing to reduce the rolling resistance and is an ideal castor for heavy duty applications, such as business machines, where there is an height restriction. The black nylon castor wheel will not damage concrete floors. - In Stock
150mm 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 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
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
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. - In Stock
125mm AGV Swivel Castor, Twin Wheel, 440kg Load | Polyurethane Wheel, Ball bearing (GATD125ASFHUD)
Original price was: £700.30.£270.65Current price is: £270.65.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 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. - In Stock
75mm AGV Swivel Castor, Dual Wheel, 200kg Capacity | Polyurethane Wheel, Ball bearing (GAPHD75ASFHUD)
Original price was: £163.28.£63.11Current price is: £63.11.Sale!Twin wheel 75mm ... Read MoreAutomated Guided Vehicle (AGV) Castor has a bracket made from strong pressed steel with precision ball bearings in the swivel head for smooth swivelling action and durability. This compact castor has a exceptional height to load ratio. The load capacity of this castor is 200kgTwo rows of bearings in the swivel head makes the castor swivel smoothly and the 4 sheets of specially hardened upper and lower bearing seats protects the swivelling parts. This ensures a fast and smooth swivel action for much longer than a standard swivel castor which is important in frequent and continual use.The bolt holes are slotted to 78mm x 78mm / 64mm x 64mm with a 10.5mm fixing bolt hole diameter,This castors is fitted with two wheels with a Polyurethane tyre (Shore A 95) on an Aluminium centre 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.
