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 7-008-200-105-0

Dynamic Torque Rating (80 psi/5.5 bar)

N/A 11200 lb·in1240 Nm

Dynamic Torque Rating (100 psi/7 bar)

N/A 14000 lb·in1580 Nm

Maximum Bore Size

N/A 2.25 in57 mm

Maximum Air Pressure

N/A 130 psi9 bar

Maximum RPM (Standard Airtube)

N/A 2870 rpm

Maximum RPM (High Speed Airtube)

N/A 4300 rpm

Total Brake (Weight)

N/A 70 lb32 kg

Weight (Hub & Center Plate)

N/A 19 lb8.6 kg

WR2/J=mr2 (Hub & Center Plate)

N/A 1.00 lb·ft²0.042 kg·m²

Dimension A

N/A 12.13 in308.1 mm

Bolt Hole Diameter B

N/A 11.125 in282.58 mm

Dimension C

N/A 8.375/8.378 in212.73/212.80 mm

Dimension D

N/A 11.13 in282.7 mm

Dimension F

N/A 3.25 in82.6 mm

Dimension G

N/A 0.25 in6.4 mm

Dimension H

N/A 5.94 in150.9 mm

Dimension J

N/A 0.25 in6.4 mm

Number of Mounting Holes (L)

N/A 6

Dimension L

N/A 17/32 in13.5 mm

Dimension M

N/A 5.38 in136.7 mm

Dimension N

N/A 3.50 in88.9 mm

Dimension Q

N/A 0.50 in12.7 mm

Dimension R (Number - Size)

N/A 2 - 1/2 NPT

Dimension T

N/A 2.25 in

Minimum U

N/A 1.00 in25 mm

Maximum U

N/A 2.00 in50.8 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.)