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 7-006-100-203-0

Dynamic Torque Rating (80 psi/5.5 bar)

N/A 3160 lb·in340 Nm

Dynamic Torque Rating (100 psi/7 bar)

N/A 3950 lb·in435 Nm

Maximum Bore Size

N/A 2.00 in50 mm

Maximum Air Pressure

N/A 130 psi9 bar

Maximum RPM (Standard Airtube)

N/A 3800 rpm

Maximum RPM (High Speed Airtube)

N/A 5700 rpm

Total Brake (Weight)

N/A 27.5 lb12 kg

Weight (Hub & Center Plate)

N/A 6.40 lb2.9 kg

WR2/J=mr2 (Hub & Center Plate)

N/A 0.24 lb·ft²0.010 kg·m²

Dimension A

N/A 8.75 in222.3 mm

Bolt Hole Diameter B

N/A 8.000 in203.20 mm

Dimension C

N/A 7.377/7.379 in187.38/187.43 mm

Dimension D

N/A 8.81 in223.8 mm

Dimension F

N/A 2.00 in50.8 mm

Dimension G

N/A 0.00 in0.0 mm

Dimension H

N/A 3.75 in95.3 mm

Dimension J

N/A 0.06 in1.5 mm

Number of Mounting Holes (L)

N/A 4

Dimension L

N/A 0.34 in8.6 mm

Dimension M

N/A 4.19 in106.4 mm

Dimension N

N/A 2.69 in68.3 mm

Dimension Q

N/A 0.56 in14.2 mm

Dimension R (Number - Size)

N/A 2 - 1/4 NPT

Dimension T

N/A 2.00 in50.8 mm

Minimum U

N/A 0.60 in15.2 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.)