Understanding our numbering system helps you choose the right castor
Capacity gives the series Series Capacity each kg
domestic - dolly
L
40
The series will help you to choose the approximate capacity of the castor.
Next - go to that page, then choose a wheel, and then a fork.


Castor Cross Section
general institutional
K
40-70
M
70-90
MD
70-80
Q
70-90
lighter industrial
D
80-100
J
70-230
O
200-350
H
135-450
Y
120-600
heavier industrial
T
500-600
X
680-1000
V
1200
A
110-1600
B
1600-2400
U
2240-3500
Design castors
DC
40-80
Economy
E
30-100
Light duty 50kg | Domestic/light industrial 100kg | Twin wheel 40kg
Specialised
 
Wheels used separately
FIRST - choose the wheel
Tyre Bearing Diameter Other features
B blue rubber A inserted plain bush mm inches G threadguards
C cast iron B unground ball bearing 50 2 W white nylon
F foamed mircocellular H hi-temp plain 65 2.5 S stainless steel
H hi-temp nylon I cast iron 75 3 T twin
I cast iron N nylon 100 4
J T.P.E.* utility Q precision ball 125 5
X T.P.E.* hi-res P polypropylene 150 6
A T.P.E.* anti-static R roller 175 7
K hi-temp phenolic S roller (stainless) 200 8
W very hi-temp phenolic T PTFE (Teflon) 220 9
N nylon K hi-temp phenolic 250 10
O rubber on cast iron W very hi-temp phenolic 280 11
P polypropylene 300 12
R black rubber 400 16
S grey rubber (flat profile)
T grey rubber (round profile)
U urethane (solid)
V P.V.C.
* denotes Thermo Plastic Elastomer
THEN - the fork
Finish Mounting Size of mounting
T painted A swivel solid stem Sizes Vs codes for tubular mounting
P powder coated E swivel expanding stem Tube ID E nylon E rubber A solid G grip neck
Z zinc plated G swivel grip neck 16mm round n/a n/a n/a -GR16
S stainless steel H swivel bolt hole 16mm square n/a n/a n/a -GS16
C chrome plated P swivel plate 19mm round -ER19 n/a -AR19 -GR19
N nylon F fixed (rigid) plate 19mm square -ES19 n/a n/a -GS19
A satin chrome PN swivel plate Nth American 22mm round -ER22 -ER22R -AR22 -GR22
K nickel FN fixed plate Nth American 22mm square -ES22 -ES22R -AS22 -GS22
28mm round -ER28 n/a -AR28 n/a
28mm square -ES28 n/a -AS28 n/a
THEN - the adaption
Accessories
B wheel brake
DL directional lock (swivel head)
TB total brake (wheel & swivel head)
TS thumb screw
After consulting the capacity table above, and determining the castor series, go to that particular page to see which options are available.

Not all options are available in all series.