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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 Components Diagram](https://www.keystonecastors.co.uk/wp-content/uploads/2023/09/Swivel-Castor-Components-Drawing-293x300.jpg)
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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- Out of Stock - On the Way
250mm Swivel Castor, 1100kg Capacity | Nylon Wheel, Ball Bearing (KS250NYB1100)
£144.57250mm Top Plate Swivel Castor (Industrial Castor) ... Read Morewith 160x120 Hole Centres. Nylon Wheel with Ball Bearing. Load Capacity = 1100kg - In Stock
125mm Swivel Castor, 200kg Capacity | Polyurethane Tyre Wheel, Ball Bearing (MSV125PN2B)
£12.60125mm Top Plate Swivel Castor (Pressed Steel) with... Read More 80x60 Hole Centres. Polyurethane Tyre / Nylon Centre Wheel with ball bearing. Load Capacity = 200kg - In Stock
50mm Shock Absorbing Swivel Castor, 40kg Capacity | Polyurethane Tyre Wheel (GDS05065SF)
Original price was: £45.02.£29.27Current price is: £29.27. Sale!50mm Shock absorbing Swivel Castor with Top plate ... Read Moremeasuring 55x55mm and 42x42mm fixing bolt holes centres to suit 6mm fixing bolts. The wheel as a soft (Shore 80A) polyurethane tyre for high elasticity and is fitted with a precision ball bearing. This castor has as load capacity of 40kg.The Top Plate is made from pressed steel and has a double ball race with hardened bearing seats in the swivel head for smooth swivel rotation. The frame is aluminium. The parts have powder coated and zinc plated for protection.The shock absorbing functions means that the overall height can vary by 10mm. The castor's height without load is 100mm and this reduces incrementally by up to 10mm as the load increases providing up t0 10mm of compression for a fine shock absorbing function. - In Stock
160mm Swivel Castor, 200kg Capacity | Polypropylene Wheel, Plain Bore (LSV160PP)
£14.30160mm Top Plate swivel Castor with a White Polypro... Read Morepylene wheel. It has 105x80mm fixing bolt hole centres and the load capacity is 200kg using manual propulsion at 4km/h.This is one of our most popular castors and the White Polypropylene wheel is non-marking and won’t damage concrete floors. Because it is a hard tread it has the lowest rolling and swivelling resistance. It is ideal as a new component or a replacement caster for most general purpose domestic or industrial castor where the travel speed of the castor generally does not exceed walking speed. - In Stock
150mm Swivel Castor, 730kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (TSH150PT15)
£113.29150mm 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 = 730kgFeatures 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
- In Stock
200mm Swivel Castor, 350kg Capacity | Polyurethane Tyre Wheel, Roller Bearing (MSV200PN1B)
£33.51200mm Top Plate Swivel Castor (Pressed Steel) with... Read More 105x80 Hole Centres. Polyurethane Tyre / Nylon Centre Wheel with Roller Bearing. Load Capacity = 350kg - In Stock
125mm Swivel Castor, 250kg Capacity | Nylon Wheel, Ball Bearing (KS125NYB250)
£33.01125mm Top Plate Swivel Castor (Industrial Castor) ... Read Morewith 80x60 Hole Centres. Nylon Wheel with Ball Bearing. Load Capacity = 250kg - In Stock
200mm Swivel Castor, 1500kg Capacity | Nylon Wheel, Ball Bearing (TSH200NY2H)
£139.54200mm Heavy Duty Top Plate Swivel Castor (Fabri... Read Morecated Castor) with 105x80 Hole Centres. Nylon Wheel with Ball Bearing. Load Capacity = 1500kg
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
- In Stock
63mm Footmaster Castor with Levelling Foot, 500kg Capacity | 63mm Nylon Wheel, Plain Bore (KGDL65ASFNYN)
Original price was: £60.88.£38.39Current price is: £38.39. Sale!This 63mm Heavy Duty Levelling Castor with a Black... Read More Nylon wheel (Ball Bearing) and adjustable foot. This castor is a swivel castor with a load capacity of 500kg. The aluminium castor frame has a durable ivory coloured powder coating for protection against wear and tear.The overall height of the castor is 98mm and the adjustable foot can extend by up to 18mm to enable precise levelling.The load capacity of this product is 500kg and the recommended maximum total load over 4 castors is 1,500kg. - In Stock
100mm Swivel Castor, 300kg Capacity | Polyurethane Tyre Wheel, Ball bearing (MSW100APCB)
£25.38100mm Top Plate Swivel Castor with an extra strong... Read More fabricated (welded) bracket. This castor has a top plate with 4 fixing holes with 105x80mm bolt hole centres. The wheel is a Polyurethane Tyre / Cast Iron Centre Wheel running on two Ball Bearings for exceptional rolling performance. This castor has a Load Capacity of 300kg using manual propulsion at 4 km/h (walking speed). - In Stock
150mm AGV Swivel Castor ,Twin Wheel, 630kg Load | Polyurethane Wheel, Ball bearing (GATD150ASFHUD)
£707.56This 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
200mm Swivel Castor, 200kg Capacity | Nylon Wheel, Roller Bearing (MSVH200NY1B)
£21.18200mm Single Bolt Hole (12mm) Swivel Castor (Press... Read Moreed Steel). Nylon Wheel with Roller Bearing. Load Capacity = 200kg - Out of Stock - On the Way
60mm Low Level Swivel Castor, 200kg Capacity | Polyurethane Tyre Wheel, Ball bearing (KS060PTB200)
£52.8060mm Low Level Swivel Castor with 80x60mm Hole Cen... Read Moretres. Polyurethane Wheel with Ball bearing. Load Capacity = 200kg - In Stock
125mm Swivel Castor, 200kg Capacity | Nylon Wheel, Roller Bearing (MSV125NY1B)
£10.23125mm White Nylon Wheel with a roller bearing f... Read Moreitted 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 200kg using manual propulsion at 4km/h (walking speed)
The Nylon Wheel is a hard wheel giving it a low tractive resistance which makes it it easier to get moving compared with softer rubber tread wheels. The strength of nylon and because it wont damage concrete floors makes it one of the most popular choices. 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 makes this castor a great choice for the widest range of industrial and domestic applications.
- Out of Stock - On the Way
75mm Swivel Castor, 80kg Capacity | Nylon Wheel, Plain Bore (2KS075PPBH)
£7.4275mm Twin Wheel Single Bolt Hole Swivel Castor (Pr... Read Moreessed Steel) with 10mm Fixing Hole and 99mm overall height. Black Polypropylene Wheel with Plain Bore and a Load Capacity of 80kg