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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 Stock125mm Swivel Castor, 150kg Capacity | Polyurethane Tyre Wheel, Single Ball Bearing (MSVH125PN2B)
£14.70125mm Single Bolt Hole (12mm) Pressed Steel Swivel... Read More Castor. This castor has a Polyurethane Tyred Wheel on a Nylon Centred Wheel with a single Ball Bearing. The Load Capacity is 150kg using manual propulsion at 4km/h. -
In Stock50mm Compact Swivel Brake Castor, 150kg Capacity | Polyurethane Tyre Wheel, Ball bearing (KS050PT2BBHBR)
£16.9450mm Low Level swivel with brake castor and 12mm S... Read Moreingle Bolt Hole Fixing. This Low Level compact castor has an overall height of 70mm and an Orange Polyurethane Wheel on a steel centre with a 33mm Tread Width and Ball bearings. Load Capacity = 150kg -
In Stock125mm Swivel Castor, 150kg Capacity | Nylon Wheel, Ball Bearing (1321028)
£10.58125mm Top Plate Swivel Castor (Pressed Steel) w... Read Moreith 80x60 Hole Centres. Nylon 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.
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In Stock100mm Swivel Castor, 295kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (461SUB)
£40.86100mm Top Plate Swivel Castor (Flexello 61 Seri... Read Morees) with 105x80mm Bolt Hole Centres. Polyurethane Tyre / Cast Iron Centre Wheel with Roller Bearing. Load Capacity = 295kg
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. This range has a larger top plate than most 100mm castors with the castor's top plate measuring 128x102mm.
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In Stock160mm Stainless Steel Swivel Castor, 300kg Capacity | Rubber Tyre Wheel, Roller Bearing (MSS160RNB)
£57.33160mm Top Plate Swivel Castor (Stainless Steel Cas... Read Moretor) with 105x80 Hole Centres. Blue Rubber Tyre / Nylon Centre Wheel with Roller Bearing. Load Capacity = 300kg -
In Stock150mm Swivel Castor, 500kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (622SUB)
£64.21150mm Top Plate Swivel Castor (Pressed Steel) with... Read More 105x80 Hole Centres. Polyurethane Tyre / Cast Iron Centre Wheel with Roller Bearing. Load Capacity = 500kg -
In Stock75mm Swivel Castor, 50kg Capacity | Rubber Tyre Wheel, Plain Bore (LSV075RP)
£3.5075mm Grey Rubber Tyre Wheel on a Nylon centre fitt... Read Moreed into a Top Plate Swivel Castor with 55x42mm bolt hole centres. The load capacity of this castor is 50kg using manual propulsion at 4km/h. This popular general, light duty general purpose castor is fitted with a grey rubber tyre that is non-marking and gentle on floors. This castor is ideal for most domestic or industrial castor uses where a small yet sturdy swivel castor in needed. -
In Stock80mm Swivel Castor, 130kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (MSVH080PN1B)
£7.1880mm Single Bolt Hole (12mm) Swivel Castor (Presse... Read Mored Steel). Polyurethane Tyred / Nylon Centred Wheel with Roller Bearing. Load Capacity = 130kg -
In Stock80mm Swivel Castor, 130kg Capacity | Nylon Wheel, Roller Bearing (MSVH080NY1B)
£6.6480mm Single Bolt Hole (12mm) Swivel Castor with Ny... Read Morelon Wheel with Roller Bearing. Load Capacity = 130kg -
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 Stock150mm Swivel Castor, 600kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (661PNB)
£49.78150mm Top Plate Swivel Castor (Pressed Steel) with... Read More 140x105 Hole Centres. Polyurethane Tyre / Nylon Centre Wheel with Roller Bearing. Load Capacity = 600kg -
Out of Stock - On the Way80mm Swivel Castor, 130kg Capacity | Rubber Tyre Wheel, Roller Bearing (MSVH080RN1B)
£8.0180mm Single Bolt Hole (12mm) Swivel Castor with Bl... Read Moreue Rubber Tyre Wheel / Nylon Centre and Roller Bearing. Load Capacity = 130kg -
In Stock100mm LAG Swivel Castor with Brake, 300kg Capacity | Polyurethane Tyre Wheel, Ball Bearing (23606)
£58.16100mm Top Plate Swivel Castor (LAG Pressed Steel... Read More) with a large Top Plate measuring 135 x 110mm and 105 x 80mm Fixing Bolt Hole Centres. This caster has an overall height of 137mm and an offset of 37mm. The wheel is a quality Polyurethane Tyre on Cast Iron Centre Wheel with a 40mm Tread Width and Ball Bearings. Load Capacity = 300kg -
In Stock35mm Compact Swivel Castor, 100kg Capacity | 35mm Polyurethane Tyre Wheel, Ball bearing (KS035PT2B)
£11.3635mm Low Level swivel castor with 60x60mm Top Plat... Read Moree and 48/38x48/38mm Fixing Bolt Hole Centres. This Low Level compact castor has an overall height of 52.5mm and an Orange Polyurethane Wheel on a steel centre with a 27mm Tread Width and Ball bearings. Load Capacity = 100kg -
In Stock250mm Swivel Castor, 1200kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (TSH250PT1H)
£181.78250mm Heavy Duty Top Plate Swivel Castor (Fabri... Read Morecated Castor) with 105x80 Hole Centres. Polyurethane Tyre / Cast Iron Centre Wheel with Roller Bearing. Load Capacity = 1200kg
Features of the H Series Castor
- 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
