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 Stock100mm Stainless Steel Swivel Castor, 150kg Capacity | Nylon Wheel, Plain Bore (MSS100NYBH)
£19.31100mm Bolt Hole Swivel Castor (Stainless Steel Cas... Read Moretor) with 12mm Bolt Hole. Nylon Wheel with Plain Bore. Load Capacity = 150kg- In Stock
125mm 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 Stock
100mm Swivel Castor, 150kg Capacity | Nylon Wheel, Ball Bearing (1321728)
£9.80100mm Top Plate Swivel Castor (Pressed Steel) with... Read More 80x60mm Fixing Bolt Hole Centres. White Nylon Wheel with Ball Bearings. The Load Capacity is 150kg using manual propulsion at 4km/h.Key Specifications:- Top Plate Size: 100x80mm
- Bolt Hole Centres: Slotted to 80x60mm or 76x44.5mm
- Overall Height: 128mm
- Offset: 31mm
- Wheel Material: White Nylon
- Tread Width: 32mm
- Bearing Type: Ball Bearing
- Out of Stock - On the Way
200mm Swivel Castor, 1045kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (855SUB)
£154.22200mm Top Plate Swivel Castor with 140x105mm Bolt ... Read MoreHole Centres each suiting an M10 fixing bolt. The heavy duty bracket has a swivel head containing roller ball bearings and has a grease nipple. The pressed steel frame has a bright zinc finish. This castor houses a quality Flexello Polyurethane Tyre Wheel on a Cast Iron Centre has a Roller Bearing fitted into the central bore to reducing rolling resistance. The Load Capacity of this castor is 1045kg. - In Stock
Swivel Castor, 75mm, 140kg Capacity, Nylon Wheel, Plain Bore (MSE075NY)
£7.2175mm Medium Duty Top Plate Swivel Castor. Nylon Wh... Read Moreeel and Plain Bore. Load Capacity = 140kgThis castor has a 105x80mm Top Plate with 80mm x 60mm Bolt Hole Centres. The overall height is 95mm.The Nylon castor wheel is a hard tread made from quality nylon. It will not damage or mark concrete floors and is not susceptible to picking up floor debris and swarf. Nylon is a popular wheel choice because it is light weight and has a high load capacity relative to other wheel materials of the same size. It is not affected by water and is insensitive to many chemicals apart from acids. - 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
100mm Swivel Castor, 250kg Capacity | Nylon Wheel, Roller Bearing (MSK100NY1B)
£13.59100mm Top Plate Swivel Castor (Pressed Steel) with... Read More 80x60mm Hole Centres. Nylon Wheel with Roller Bearing. Load Capacity = 250kg - In Stock
75mm Swivel Castor, 170kg Capacity | Cast Iron Wheel, Plain Bore (361CI)
£11.8075mm Top Plate Swivel Castor (Flexello 61 Serie... Read Mores) with 80x60mm Hole Centres. Cast Iron Wheel with Plain Bore. Load Capacity = 170kg
The Flexello 61 Series is an established industry standard range of Pressed Steel Castors that is suitable for most industrial castor uses. This range has a ball bearing swivel head and finished with a bright zinc plating.
- 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
150mm Swivel Castor, 500kg Capacity | Nylon Wheel, Roller Bearing (622NYB)
£37.84150mm Top Plate Swivel Castor (Pressed Steel) with... Read More 105x80 Hole Centres. Nylon Wheel with Roller Bearing. Load Capacity = 500kg - In Stock
160mm Swivel Castor, 200kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (MSVH160PN1B)
£23.23160mm Single Bolt Hole (12mm) Swivel Castor (Press... Read Moreed Steel). Polyurethane Tyred / Nylon Centred Wheel with Roller Bearing. Load Capacity = 200kg - Out of Stock - On the Way
300mm Swivel Castor, 680kg Capacity | Rubber Tyre Wheel, Ball bearing (HKS30025341)
£165.39300mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105x80 Hole Centres. Rubber Tyre / Cast Iron Centre Wheel with Ball bearing. Load Capacity = 680kg - In Stock
100mm Swivel Castor, 180kg Capacity | Blue Rubber Tyre Wheel, Roller Bearing (MSZ100RN1B)
Original price was: £11.27.£10.14Current price is: £10.14.Sale!100mm Blue Elastic Rubber Tyre on a black nylon ce... Read Morentre wheel with a roller bearing fitted into a pressed steel swivel castor bracket. The Swivel Bracket has a 4 hole top plate measuring 105x80mm with 80x60mm bolt hole spacing. The load capacity of this castor is 180kg using manual propulsion at 4km/h (walking speed)Key Specification:- Top Plate Size: 105x80mm
- Bolt Hole Centres: 80/76X60mm
- Bolt Hole Size: 9mm (to suit M8 Fixing Bolts)
- Overall Height: 125mm
- Offset: 36mm
- Swivel Radius: 86mm
- Tread width: 36mm
- Bearing Type: Roller Bearing
- Tyre Hardness: Shore A 68
- High Load Capacity
- Low Rolling Resistance
- Reduce Vibration
- Low noise Operation
- In Stock
200mm Stainless Steel Swivel Castor, 300kg Capacity | Nylon Wheel, Plain Bore (MSS200NY)
£44.67200mm Top Plate Swivel Castor (Stainless Steel Cas... Read Moretor) with 105x80 Hole Centres. Nylon Wheel with Plain Bore. Load Capacity = 300kg - In Stock
50mm Stainless Steel Swivel Castor, 50kg Capacity | Thermoplastic Rubber Wheel, Plain Bore (SKATS050TPR)
£8.15This Stainless Steel apparatus / institutional swi... Read Morevel castor comes with a 50mm Grey Thermoplastic Rubber Tyre Wheel on a polypropylene centre with a smooth plain bore. The swivel bracket has a 60x60mm 4 hole Top Plate with slotted fixing bolt holes at 48/39x48/39mm. The load capacity of this castor is 50kg using manual propulsion at 4km/hThe grey Thermoplastic Rubber Tyre Wheel will not mark or damage the floor and is ideal for most general castor purposes such as trolley castors or dolly castors.Download Series Data Sheet here
