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 7-014-100-102-0

Dynamic Torque Rating (80 psi/5.5 bar)

N/A 22100 lb·in2435 Nm

Dynamic Torque Rating (100 psi/7 bar)

N/A 27625 lb·in3100 Nm

Maximum Bore Size

N/A 3.50 in89 mm

Maximum Air Pressure

N/A 130 psi9 bar

Maximum RPM (Standard Airtube)

N/A 1640 rpm

Maximum RPM (High Speed Airtube)

N/A 2450 rpm

Total Brake (Weight)

N/A 184 lb83 kg

Weight (Hub & Center Plate)

N/A 46 lb20.9 kg

WR2/J=mr2 (Hub & Center Plate)

N/A 5.7 lb·ft²0.240 kg·m²

Dimension A

N/A 18.75 in476.3 mm

Bolt Hole Diameter B

N/A 17.500 in444.50 mm

Dimension C

N/A 14.375/14.378 in365.13/365.20 mm

Dimension D

N/A 17.50 in444.5 mm

Dimension F

N/A 3.75 in95.3 mm

Dimension G

N/A 0.13 in3.3 mm

Dimension H

N/A 6.06 in153.9 mm

Dimension J

N/A 0.38 in9.7 mm

Number of Mounting Holes (L)

N/A 8

Dimension L

N/A 21/32 in16.7 mm

Dimension M

N/A 9.44 in239.8 mm

Dimension N

N/A 5.50 in139.7 mm

Dimension Q

N/A 0.63 in16.0 mm

Dimension R (Number - Size)

N/A 2 - 1/2 NPT

Dimension T

N/A 5.06 in

Minimum U

N/A 1.38 in35.1 mm

Maximum U

N/A 3.50 in88.9 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.)