Product #

WZ1-22CA
WZ1-22CA-TLK
WZ1-22CB

WZ1-30CA
WZ1-30CA-TLK
WZ1-30CB
WZ1-30CC

Outside Dimensions*

With tire pressure 2.5 psi at
sea level and at a
temp range of
75-80°F
(24-26.5°C)

8.7x5"
(22x12.7 cm)

11.8x7"
(30x18 cm)

Width at
Bushing/Bearing

4.5"
(11.5 cm)

7.3"
(18.5 cm)

Bushing
Diameter

PU Wheel Bushings/Bearings are interchangeable.

WZ1-22CA
1/2" bushing

WZ1-22CA-TLK
1/2" bushing with Twist Lock Knob

WZ1-22CB
3/4" bushing

WZ1-30CA
1/2" bushing

WZ1-30CA-TLK
1/2" bushing with Twist Lock Knob

WZ1-30CB
3/4" bushing

WZ1-30CC
1" bushing

Tire Material

Soft, Pliable Plastic

Soft, Pliable Plastic

Hub Color/Hub Material

Black/Polypropylene

Black/Polypropylene

Max. Payload/Wheel

77 lbs
(35 kg)

99 lbs
(45 kg)

Pressure Range

Low Pressure
2–3 psi
(0.14-0.20 bar)

Low Pressure
2–3 psi
(0.14-0.20 bar)

Ideal & Ship Pressure

2.5 psi
(0.17 bar)

Ideal: 2.5 psi
(0.17 bar)

Temperature Range

23 to 104 F
(-5 to 40 C)

23 to 104 F
(-5 to 40 C)

Wheel Weight

2.4 lbs
(1.08 kg)

4 lbs
(1.8 kg)