Our Clients
- Load per castor200 kg per castor
- Wheel diameter160 mm
- Overall height200 mm
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- UK-based castor advice
Specifications
- Castor type
- Swivel with directional lock, top plate fixing
- Lock
- Foot-operated directional lock (locks swivel head only; wheel still rolls)
- Brake
- None
- Wheel
- Grey thermoplastic rubber (TPR) tyre bonded to grey polypropylene centre
- Wheel diameter
- 160 mm
- Tread width
- 40 mm
- Tread hardness
- 88 Shore A
- Bearing type
- Roller bearing
- Top plate size
- 140 x 110 mm
- Plate hole centres
- 105 x 75/80 mm
- Plate hole diameter
- 10 mm (suits M10 bolts)
- Load capacity
- 200 kg per castor
- Load capacity, set of 4
- 600 kg (rated on three castors carrying the load)
- Total castor height
- 200 mm
- Swivel radius
- 136 mm
- Temperature range
- -20°C to +60°C
- Housing
- Zinc-plated pressed steel
Load check
How we work it out: on a real floor one castor is often carrying little or nothing, so we share the weight across one fewer castor than you fit (with 3 castors, across all 3). Tick the box to add a 30% margin for rough use.
Floors & use
Thermoplastic / elastic tread · working temperature -20°C to +60°C
- Soft, quiet and smooth rolling
- Gentle on wood, laminate, vinyl and tiles
- Good shock absorption
- Not for high heat or very heavy loads
Details & FAQs
For trolleys that need to steer freely in tight spaces but also run dead straight down long corridors and aisles, this 160mm directional lock castor gives you both in one. It is a swivel top plate castor with a foot-operated catch that locks the swivel head in the straight-ahead position, turning it into a fixed castor until you release it. It has a grey non-marking thermoplastic rubber (TPR) tyre bonded to a grey polypropylene centre, running on a roller bearing, a zinc-plated pressed steel housing and a 140 x 110mm top plate. Each castor is rated to 200kg and stands 200mm tall.
Why it works
Directional lock – swivel or straight at the flick of a foot
With the catch released the castor swivels a full 360 degrees like any swivel castor, so the trolley turns easily in lifts, doorways and bays. Engage the catch and the swivel head is held straight, so the trolley tracks true over long runs without the front wandering. The directional lock holds the swivel head only; the wheel still rolls. It is not a parking brake – choose a total lock castor where the trolley must be held still.
Bonded TPR tyre – non-marking and hard-wearing
Thermoplastic rubber is a grey, non-marking tyre material, so it will not leave the dark scuffs that black rubber can. Because the tyre is bonded to the wheel centre rather than stretched on, it cannot shear off or creep round the hub under load. The tread (hardness 88 Shore A) is firm enough to roll easily while still running quietly on hard floors, and it copes with temperatures from -20°C to +60°C.
Roller bearing for easier rolling
The large wheel runs on a roller bearing rather than a plain bore, so a loaded trolley takes less effort to start and keep moving, and the wheel wears more evenly over time.
- Directional lock holds the swivel head straight ahead
- Grey non-marking TPR tyre, bonded so it cannot shear off
- Roller bearing, 200kg per castor, 600kg for a set of four
- 140 x 110mm top plate, M10 fixings
- 200mm total height, 136mm swivel radius
Where it's used
Hospital, care home and linen trolleys, catering and meal-delivery trolleys, retail stock trolleys and warehouse trolleys that travel long straight corridors and then manoeuvre in lifts, doorways and bays. Suited to vinyl, tiles, sealed concrete, resin and other hard indoor floors where marking is not acceptable.
Choosing the right option
A common layout is one or two directional lock castors at the front, fixed or swivel castors at the back, and total lock castors wherever the trolley must be parked. Fitting one directional lock castor on the front corner you steer from is often enough; engage it for straight runs and release it for cornering. This castor matches the 160mm TPR swivel, total lock and fixed castors, all 200mm tall, so any mix sits level. Check you have a flat area at least 140 x 110mm under each corner and allow 136mm of swivel clearance. For the load, add up the weight of the item and everything on it and divide by three rather than four; if the answer is over 200kg, choose a larger wheel or a heavy-duty castor.
Installation, use and care
Hold the plate flat against the base and fix it through all four holes with M10 bolts and nuts. Fixings are not included. Fit the castor so the lock catch faces outwards where your foot can reach it. To lock, push the trolley a short way so the wheel trails straight, then engage the catch. Check the fixings after the first few weeks, keep the wheel and catch clear of threads and debris, and wipe clean with a damp cloth. Keep the tyre away from oils and solvents, and out of temperatures above 60°C.
Frequently asked questions
Is a directional lock the same as a brake?
No. It stops the castor swivelling but the wheel still rolls, so the trolley runs straight. To stop a trolley rolling, use total lock or braked castors.
How many do I need on a trolley?
Usually one or two at the front. One on the front corner you steer from is enough for most trolleys.
Will the grey wheel mark my floor?
No. Thermoplastic rubber is a non-marking compound, so it will not leave the dark scuffs black rubber can.
What size bolts do I need?
The plate holes are 10mm, so use M10 bolts and nuts. Fixings are not supplied.
Ordering and delivery
Sold individually, so order the number of castors you need. Delivery charges are shown at checkout.
Delivery & returns
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