Roller Footprint

Need to move a load across thin floors?
Find the pressure generated by our dollies below.

Our patented JUWAthan rollers are designed to intentionally flatten out under the load weight in order to increase the footprint. This distributes the weight across a large area and reduces the floor pressure to provide low rolling resistance, easy steerability and guarantees no damage to the floor’s surface.

However, if you are moving a heavy load across thin floors, a structural engineer will need to calculate the pressure exerted onto the floor’s support structure to assure that the load will not break through.

Please use the table below to calculate the approximate floor pressure generated by the dollies. Keep in mind that the exact pressure is influenced by various factors, such as: floor condition (rough or smooth), floor evenness (level, uneven or decline), and location of load's center of gravity distributed across supporting dollies. Feel free to call us for further technical assistance.
Roller Size Dolly Model # of Rollers Roller Footprint Pressure on Floor

K-Roller

Ø x W x Ø
3.3 x 3.3 x 1"

Print Calculation Sheet

A3 + B3
A6 + B6
A9 + B9
A12 + B12

8
16
24
32

Roller contact with floor
•► width: 0.2758" (7mm)
•► length: 3.3490" (85mm)

Footprint per roller:
•► 0.924 in2  (5.95cm2)

Pressure (psi) =

                Load weight (lbs)                   
Number of rollers x footprint per roller (in2)

Roller Size Dolly Model # of Rollers Roller Footprint Pressure on Floor

S-Roller

Ø x W x Ø
3.5 x 4.7 x 1.4"

Print Calculation Sheet

A20 + B20
A24 + B24

24
32

Roller contact with floor
•► width: 0.3152" (8mm)
•► length: 4.728" (120mm)

Footprint per roller:
•► 1.490 in2 (9.60cm2)

Pressure (psi) =

                Load weight (lbs)                   
Number of rollers x footprint per roller (in2)

Roller Size Dolly Model # of Rollers Roller Footprint Pressure on Floor

H-Roller

Ø x W x Ø
7.9 x 6.7 x 2.8"

Print Calculation Sheet

A35 + B35
A50/60 + B50/60

16
24

Roller contact with floor
•► width: 1.97" (50mm)
•► length: 6.70" (170mm)

Footprint per roller:
•► 13.20 in2 (85cm2)

Pressure (psi) =

                Load weight (lbs)                   
Number of rollers x footprint per roller (in2)

For further technical assistance please call our customer service line Tel: 800-786-6112

Toolwell North America is a distributor of innovatively designed moving dollies and hydraulic toe jacks that are manufactured in Germany by JUNG. These products offer supreme quality for heavy load moving. Each product is designed to protect your machinery, equipment, operators and other important facets of business when it comes to heavy load moving that needs to be reliable and dependable. This heavy load moving equipment is ideal for rigging and transporting, and is versatile enough to move awkward containers around tight corners, in confined spaces, and in difficult structures like a submarine or an older building.

Floor pressure is a very important part of moving heavy loads, especially on thin or delicate floors, and our special rollers offer reduced floor pressure without damaging or marking on the ground. We offer technical assistance to ensure that our heavy load moving dollies will exert no more pressure on the floor than you need.

Our rollers are ideal for thin or delicate floors, as well as for floors that are already cluttered and damaged. Whether you have epoxy or tile, metal shavings, or rough cracks, our rollers will not mark or damage your floors and will help to evenly spread pressure over more surface area than traditional rollers offer. .