Products Catalog
The Wichita Air-Tube Disc Brakes combines all the best features of the disc type clutch with all the advantages of direct air engagement. The simplest and most trouble-free method of applying air pressure is through direct axial pressure application by compressed air in a special composition full-circle tube.
Unit of Measure


Assembly Number

N/A 7-016-200-100-0

Dynamic Torque Rating (80 psi/5.5 bar)

N/A 60541 lb·in6720 Nm

Dynamic Torque Rating (100 psi/7 bar)

N/A 75676 lb·in8550 Nm

Maximum Bore Size

N/A 4.00 in102 mm

Maximum Air Pressure

N/A 130 psi9 bar

Maximum RPM (Standard Airtube)

N/A 1430 rpm

Maximum RPM (High Speed Airtube)

N/A 2150 rpm

Total Brake (Weight)

N/A 326 lb148 kg

Weight (Hub & Center Plate)

N/A 106 lb48.1 kg

WR2/J=mr2 (Hub & Center Plate)

N/A 19.6 lb·ft²0.826 kg·m²

Dimension A

N/A 21.25 in539.8 mm

Bolt Hole Diameter B

N/A 20.000 in508.00 mm

Dimension C

N/A 16.253/16.250 in412.75/412.83 mm

Dimension D

N/A 20.00 in508 mm

Dimension F

N/A 4.75 in120.7 mm

Dimension G

N/A 0.38 in9.7 mm

Dimension H

N/A 8.25 in209.6 mm

Dimension J

N/A 0.38 in9.7 mm

Number of Mounting Holes (L)

N/A 12

Dimension L

N/A 21/32 in16.7 mm

Dimension M

N/A 10.50 in266.7 mm

Dimension N

N/A 6.00 in152.4 mm

Dimension Q

N/A 0.63 in16.0 mm

Dimension R (Number - Size)

N/A 2 - 1/2 NPT

Dimension T

N/A 6.13 in

Minimum U

N/A 1.38 in35.1 mm

Maximum U

N/A 4.00 in101.6 mm


N/A Wichita Clutch


N/A Air Applied


N/A Consult Factory for Special Assembly Number.
For mounting, use socket head capscrews conforming to the ASTM-574-97a.
(Consult factory for drawing before final layout.)