Caster Wheels - Help & Advice on Selection

General Rules

  • Castors for Hard Floors -  All Castor types can be used on hard floors.  Hard Material Such as Nylon or Polypropylene are hard wearing, however for delicate floors (i.e. wooden floors) or where low noise is required, soft Castors such as Rubber, Polyurethane or PVC should be considered  

  • Castors for Soft Floors - It is most common to use hard castors such as Nylon or Polypropylene.  They provide a lower roll resistance on soft floor.

  • Large Caster Wheels increase manoeuvrability (The provide a low roll resistance making it easier to move the equipment

  • Large Caster Wheels allow easier movement on uneven floor (for example warehouse floor or outdoors), or where you may need to move over small steps/cerbs etc



Weight of Equipment

  • The Castors on our website have a maxiumum load rating.  This is the maximum weight & force that you can apply to each wheel and should not be exceeded.
  • If you equipment is being used on uneven floors it is possible that whilst manoeuvring the equipment one of the wheel may loose contact with the floor, and hence the weight of the equipment will be distrubuted over less wheel (for example, a 4 wheel trolley weighing 100Kg would have 25Kg per wheel, however if one of the wheels is not in content with the ground the weight per wheel would be 33.3Kg).  This should be considered when selecting a Castor.
  • You could consider whether the equipment will see any shock forces (for example an item being dropped onto a trolley).  This shock force should be considered when choosing a caster wheel.
  • Bulldog Castors™ engineering department offer free computer modelling and calculations for Weight Distribution or Shock Calculations


Environmental Factors

  • Caster Wheels are manufactured from a vast range of different tread materials.  It is important to select a material which is suitable for the environment which it is expected to operate in.  Considerations may include Cleaning Materials, Chemicals & Solvents, Temperature, Ozone & Sunlight, Humidity and Water, all of which can attack certain materials.

  • External Factors should also be considered such as what the equipment is being used for.  For example some rubbers can "leach" additives as they age and would not be suitable for a food production environment.  Also certain medical applications can be particularly sensitive, such as MRI Scanners which cannot have magnetic materials close by.  In this instance Bulldog offer a range of Non-Magnetic castors suitable for MRI Scanners. 

You can find an indepth Caster Wheel Selection guide here  - Customer are advised to contact us for technical advice on their specific application.  Casters UK - Click to view our products.




Caster Wheels - Information about Purchasing Castors Online


What kind of Castors and Wheels do you stock?

Bulldog Castors Ltd, based in Leicester, stock a full range of Castors and Wheels, as you would expect. These include Nylon Castors, Polyurethane Castors, Rubber Castors, Non-Marking Castors, Total Lock Castors, Fabricated Castors, Cast Iron Castors, Pneumatic Wheels plus much more. We have over £2 Million stock available for immediate delivery. In addition we can manufacture special castors and materials on short lead times.


How can I place my order?

You can place orders easily though our online shop, alternatively we are happy to take orders via telephone +44 (0)116 2970521 or Email (


What payment Methods do you take?

We accept most payment methods – Debit/Credit Card (Visa, Mastercard), PAYPAL, Cheque & Direct Bank Transfer.


How Quick is your delivery time?

FAST! We aim to ship all order on an immediate basis. We have a dedicated member of staff to despatch our online orders. If you select "Flat Rate Shipping", in most cases, you can expect delivery the next working day. (Please try to order before 3pm (Monday to Friday). We use market leading couriers to deliver our Castors, so you can be assured of a fast & reliable delivery. We also offer 1st and 2nd Class post for light weight orders (these are normally shipped out on the same day) For urgent orders we also offer Next Working Day Pre 10am, and Next Working Day Pre 12pm & Saturday deliveries – Please call if your order is urgent +44 (0)116 2970521


Do you offer discounts?

YES! - If you have a regular demand for Castors and Wheels or have a large order to place, please contact us on or +(44)0116 2970521 where we will be happy to review. In addition if you find a Castor cheaper elsewhere, we will try to beat or match the price.


Do you offer Credit Accounts?

YES! - If you have regular orders to place we would be happy to offer you a 30 day credit account. Please contact us.


What if I am not in to sign for the delivery?

If you are not available for accepting delivery, the courier will leave a calling card and will attempt delivery the next working day. They will generally attempt 3 times before returning the Castors back to us. If you are not going to be available, or want to track your order please contact us on +44 (0)116 2970521


Do you accept Overseas Orders? (Including Northern Ireland & Scottish Highlands)

Yes. You can place your order as normal via our online shop, and we will then contact you to discuss the best shipment method and cost. We generally use UPS Courier for international shipments, which cost between £20-£35 in most instances. If you want to confirm delivery prices to your location you can contact us on or +44 (0)116 2970521. (You can also place international orders via phone or email