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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

Specifications

Assembly Number

7-021-200-100-0

Dynamic Torque Rating (80 psi/5.5 bar)

139775 lb·in15510 Nm

Dynamic Torque Rating (100 psi/7 bar)

174719 lb·in19740 Nm

Maximum Bore Size

6.00 in152 mm

Maximum Air Pressure

130 psi9 bar

Maximum RPM (Standard Airtube)

1090 rpm

Maximum RPM (High Speed Airtube)

1650 rpm

Total Brake (Weight)

575 lb261 kg

Weight (Hub & Center Plate)

198 lb89.8 kg

WR2/J=mr2 (Hub & Center Plate)

61 lb·ft²2.57 kg·m²

Dimension A

27.00 in685.8 mm

Bolt Hole Diameter B

25.500 in647.70 mm

Dimension C

21.375/21.378 in542.93/543.00 mm

Dimension D

24.88 in632 mm

Dimension F

5.13 in130.3 mm

Dimension G

0.75 in19.1 mm

Dimension H

9.31 in236.5 mm

Dimension J

0.31 in7.9 mm

Number of Mounting Holes (L)

12

Dimension L

21/32 in16.7 mm

Dimension M

14.50 in368.3 mm

Dimension N

9.00 in228.6 mm

Dimension Q

0.75 in19.1 mm

Dimension R (Number - Size)

3 - 1/2 NPT

Dimension T

9.25 in

Minimum U

2.00 in50.8 mm

Maximum U

6.00 in152.4 mm

Manufacturer

Wichita Clutch

Actuation

Air Applied

Note

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.)