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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 Stock150mm Swivel Castor, 520kg Capacity | Nylon Wheel, Roller Bearing (BS5150NY15A)
£95.05150mm Bolt Hole Swivel Castor (Fabricated Steel) w... Read Moreith 19.8mm Single Bolt Hole (to suit a 3/4" fixing Bolt). This is an extra heavy duty single bolt hole castor and the wheel is Solid Nylon with a 38mm Tread width and a Roller Bearing fitted. The Load Capacity is 520kg at 4km/h (walking speed) using manual propulsion. Key Specifications:- Ball Bearing Swivel Head
- Wheel Bearing Type: Roller Bearing
- Overall Height: 200mm
- Tread Width: 38mm
- Offset: 44.5mm
- Fixing Bolt Hole Size: 19.8mm
- Zinc Plated
- Load Capacity: 520kg using manual propulsion at km/h (walking speed)
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In Stock50mm Low Level Swivel Castor, 160kg Capacity | Polyurethane Tyre Wheel, Plain Bore (2SL050PT0L)
Original price was: £26.21.£24.59Current price is: £24.59. Sale!50mm Low Level Twin Wheel Swivel Castor (REVVO Bra... Read Morend). The Polyurethane tyre wheels have a tread width of 14mm each and turn on a smooth Plain Bore. The Load Capacity of 160kg. This castors offers an exceptional load capacity in relation to their low overall working height and is ideal for heavy equipment being used on smooth, hard flooring. The differential action from the twin wheels makes for smooth operation. This castor has a round top plate with a diameter of 95mm and 4 fixing holes to suit a 6mm bolt. Each fixing hole is spaced 51mm from the directly opposite fixing hole (the largest distance between the fixing holes)
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In Stock130mm 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 Stock150mm Swivel Castor, 700kg Capacity | Polyurethane Tyre Wheel, Ball bearing (HST150PC2B)
£106.25150mm Top Plate Swivel Castor (Black Painted Fabri... Read Morecated Steel) with 120mm x 60mm or 105x80mm Fixing Bolt Hole Centres. The wheel has a Polyurethane Tyre on a Cast Iron Centre Wheel with Ball Bearings and the load capacity is 700kg and 4km/h (walking speed) using manual propulsion. -
In Stock80mm Swivel Castor, 130kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (MSV080PN1B)
£7.9780mm Red Polyurethane Tyre on a Nylon Centre Wh... Read Moreeel with a roller bearing fitted into a pressed steel swivel castor bracket. The Swivel Bracket has a 4 hole top plate with 80x60mm bolt hole spacing. The load capacity of this castor is 130kg using manual propulsion at 4km/h (walking speed)
The Polyurethane tyre offers a low tractive resistance making it easier to get moving compared with softer rubber tread wheels. However, Polyurethane tyres are slightly softer than hard tread wheels making the castor smoother and quieter running. The polyurethane tyre is also non-marking and gentle on floors while the roller bearing lowers the rolling resistance to reduce the effort required to move the castors. Put this wheel into a strong bracket that has a double ball race in the swivel head and you have a castor that is a great choice for the wide range of industrial and domestic applications.
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In Stock100mm Swivel Castor, 250kg Capacity | Nylon Wheel, Roller Bearing (422NYB)
£20.87100mm Top Plate Swivel Castor (Flexello Brand - Pr... Read Moreessed Steel) with 80x60mm Fixing Bolt Hole Centres and 128mm overall height. White Nylon Wheel with Roller Bearing. Load Capacity = 250kg Nylon is a high quality, low maintenance, impact resistant wheel that has a high load capacity. The nylon material is extremely resistant to salts, greases, acids and alkalis and will not mark or damage concrete floors. This makes Nylon probably the most popular castor wheel material. The roller bearing in the hub (central part of the wheel) consists of steel rollers within an impact resistant plastic cage. These rollers rotate between the axle tube and the wheel hub which reduces the rolling resistance making it easy to move even under heavy loads. Roller bearings are rugged, robust and largely maintenance-free.
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In Stock200mm Swivel Castor, 605kg Capacity | Nylon Wheel, Roller Bearing (855NYB)
£93.09200mm Top Plate Swivel Castor (Heavy Duty Pressed ... Read MoreSteel) with 140X105mm Hole Centres. This castor has a White Nylon Wheel with a Needle Roller Bearing. Load Capacity = 605kg -
In Stock200mm Swivel Castor, 600kg Capacity | Polyurethane Tyre Wheel, Ball Bearing (KSMG200PCB)
£88.41200mm Top Plate Swivel Castor (Fabricated Steel) w... Read Moreith 105x80 Hole Centres. Polyurethane Tyre / Cast Iron Centre Wheel with Ball Bearing. Load Capacity = 600kg -
In Stock100mm Swivel Castor, 300kg Capacity | Nylon Wheel, Ball bearing (MSK100NY2B)
£17.60100mm Top Plate Swivel Castor (Pressed Steel) with... Read More 80x60 Hole Centres. Nylon Wheel with Ball bearing. Load Capacity = 300kg -
In Stock125mm Swivel Castor, 100kg Capacity | Grey Rubber Tyre Wheel with Roller Bearing (LSV125RP)
£7.52125mm Top Plate Swivel Castor with a Grey Rubber T... Read Moreyre wheel on a Nylon Center. It as 80x60mm fixing bolt hole centres and a Load Capacity of 100kg using manual propulsion at 4km/h. This popular general purpose castor is fitted with a Grey rubber tyre that is both non-marking and gentle on floors. The wheel has a roller bearing that lower the rolling resistance. It makes a great new component to make your equipment mobile or as a replacement castor. It is ideal for most general purpose domestic or industrial applications such as a trolley, dolly or furniture where the travel speed of the castor generally does not exceed walking speed. -
In Stock75mm AGV Swivel Castor, 100kg Capacity | Polyurethane Wheel, Ball bearing (GAPL75ASFHUD)
Original price was: £66.49.£25.70Current price is: £25.70. Sale!75mm Automate... Read Mored 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. The load capacity of this castor is 100kg
The bolt holes are slotted to 78mm x 45mm / 72mm x 45mm with a 9mm hole diameter,
This castors is fitted a Polyurethane tyre (Shore A 90) 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.
Many AGV applications require the castor to run 24 hours a day and the durability of the castor is important to reduce costs associated with stoppage. By using bearing steel with a higher strength than general steel in the swivel head, this castor has an exceptional performance.
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In Stock200mm 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 Stock150mm Swivel Castor, 730kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (TSH150PT15)
£117.26150mm Heavy Duty Top Plate Swivel Castor (Fabricat... Read Moreed Castor) with 105x80mm bolt hole centres and 202mm overall height. The wheel has a Revvothane Polyurethane Tyre on a Cast Iron Centre with a Roller Bearing. Load Capacity = 730kg The Bolt Holes of the H series castor are slotted to 120x60mm and 105x80/75mm.- Use 12mm diameter bolts when fitting at 120 x 60mm
- Use 10mm diameter bolts when fitting at 105x80/75mm
- 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
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In Stock100mm Swivel Castor, 160kg Capacity | Rubber Tyre Wheel, Roller Bearing (Flexello 422RNB)
£31.13100mm Top Plate Swivel Castor (Heavy Duty Flexello... Read More Pressed Steel Frame) with 80x60mm Hole Centres to suit 8mm Bolts. The wheel is an Elastic Blue Rubber Tyre on a Nylon Centre with Roller Bearing to reduce the castor's rolling resistance. The Load Capacity is 160kg using manual propulsion at 4km/h (walking speed) -
In Stock63mm Swivel Castor, 122kg Capacity | 63mm Nylon Wheel, Plain Bore (261NY)
£6.2163mm Top Plate Swivel Castor (Pressed Steel) with ... Read More76x44.5mm Bolt Hole Centres and 81mm Overall Height. White Nylon caster wheel with 22mm Tread Width and Smooth Plain Bore. Load Capacity = 122kg
