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This is by far our most popular range of caster wheels, as we can offer 6 different sizes, each with 3 versions either a swivel castor, a fixed castor or a swivel castor with a brake. These caster wheels are heavy duty zinc plated steel with a double ball bearing top plate. We can also offer each size and type with a choice of 10 alternative wheels. So with over 180 castors to choose from in this range you will find exactly what you are looking for! These medium duty top plate casters really can take the weight. With load capacities from 70kg per castor up to 400kg per castor these castors can take the weight out of your castor search!
But don't worry, we have made it easy for you to find what you want. Just choose and click the type of wheel you require from either blue non marking rubber, grey rubber, black rubber, polyurethane, nylon ( with bearings) or nylon ( without bearings). When asked what applications these castors are used for, our response is ANY! We have customers using these medium duty caster wheels in theatres, manufacturing plants, bakeries, warehouses, stadiums, shops, museums, restaurants and power stations to name but a few.
From £10.66 £8.88
Here at Ross Castors we offer a variety of sizes and a 200kg maximum load capacity so we have a polyurethane castor to meet everyone's requirements.
From £10.66 £8.88
From £8.71 £7.26
Choose from 5 sizes and up to 200kg carrying capacity, don't forget to team these fixed castors with our swivel polyurethane castors!
From £8.71 £7.26
From £16.28 £13.57
This range of hardwearing polyurethane castors are available in 5 sizes and carry loads up to 200kgs.
From £16.28 £13.57
This is all about how you want to fix your castor to your unit, and how much weight each castor is expected to carry.
Measure your top plate dimensions, in order to match any replacement castors. Alternatively measure your bolt dimesions or your threaded stem size. Also measure your fixing bolt size (D1) as we can supply fixing bolts and nuts. In order to measure thread size, simply measure the diameter of the thread, 8mm diameter equates to an M8 thread.
Top Plate Castors are fixed to your unit by 4 fixing bolts per castor, supplied sepeartely. Bolt Hole castors can attach either by using a threaded bolt or a tubular adaptor. Threaded Stem Castors are supplied with a stem that can screw into your equpment.
Top Tip! Attaching castors into round and square tube can be achieved by using bolt hole castors and castor tube adaptors.
We have a variety of sizes both in the round and square tubular expanding adaptor fittings and these can be found on our Accessories page. In order to choose the correct adaptor for your hollow tube, please follow the following steps
Round Expander To Suit Internal Diam. RangeItem Code | Item Code |
18mm - 19.5mm | R-18 |
19.5mm - 21.7mm | R-20 |
21.7mm - 24.5mm | R-22 |
24.5mm - 27mm | R-25 |
27mm - 29.5mm | R-27 |
29.5mm - 32mm | R-30 |
Square Expander To Suit Internal Diam. Range | Item Code |
20mm -22mm | S-20 |
22mm - 25mm | S-22 |
25mm - 28mm | S-25 |
29mm - 32mm | S-29 |
36mm - 38mm | S-36 |
Top Tip! General rule of thumb is soft wheels on hard floors and hard wheels on soft floor surfaces. Soft wheels are rubber, and hard wheels are nylon and polyurethane. Pneumatics and puncture proof wheels are ideal for outdoor applications. For more information on wheels, take a look at our Wheel Measurement Section.
Swivel
Swivel with Brake
Fixed
Bolt Hole Castors - are available as a swivel and swivel with brake versions only
Swivel
Swivel with Brake
Top Tip! The following configurations are the most popular
Having an understanding of the weight you want the castors to support and move is a vital consideration! Use the following calculation
Max Load each castor needs to carry = (unit weight + max extra load) ÷3
Top tip! Dividing your total load by 3 allows for a margin of safety, and this will give you the maximum each castor can carry in a safe working environment, allowing for uneven floor surfaces.
Swivel Radius - The distance from the centre of the castor head fitting to the outside of the wheel. This measurement enables you to ensure you have enough clearance for the complete castor to rotate, without being fouled. It is important to take this into consideration when deciding where to attach the castor. Please note braked castors have slightly larger swivel radiuses, as a result of the foot brake mechanisms.
Floor Surfaces - All our stated load ratings for our castor ranges are based upon the assumption that the floor surface is reasonably level. Any obstructions, ridges, cracks or dirt will affect the load rating and efficiency of the castors. Careful consideration of Wheel Type in your castors is important and discussed in more detail below.
Health & Safety - All our castors are designed for low speed applications, and power towing castors are available upon special request. It is important to select the right castor for the job, to protect against manual handling injuries.
Bearings - Choosing castors and wheels with bearings, makes them easier to move, however in certain outdoor and offshore environments standard bearings may cease. Call us for information on stainless steel bearings.
Temperature - We offer a specialist range of Temperature Resistant castors that can withstand high temperatures in ovens, kilns and foundries. These castors can also withstand low temperatures such as in freezers and outdoor environments.