The Rowland Company
4900 North 20th Street
Philadelphia, PA 19144
Toll Free: 800-925-8824   Phone: 215-455-4900    Fax: 215-455-8888
E-Mail: rowland@rowland2.com    Web site: www.rowlandcompany.com
All Categories > Clutches and Brakes > Disc Clutches and Brakes > Low Inertia Clutches and Brakes > Low Inertia Air Tube Disc Brakes > Item # LIB 321  


Item # LIB 321, Low Inertia Air Tube Disc Brakes

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.





Specifications  · Note

Specifications

Assembly Number
7-021-300-100-0

Dynamic Torque Rating (80 psi/5.5 bar)
209662 lb·in
23265 Nm

Dynamic Torque Rating (100 psi/7 bar)
262078 lb·in
29610 Nm

Maximum Bore Size
6.00 in
152 mm

Maximum Air Pressure
130 psi
9 bar

Maximum RPM (Standard Airtube)
1090 rpm

Maximum RPM (High Speed Airtube)
1650 rpm

Total Brake (Weight)
723 lb
328 kg

Weight (Hub & Center Plate)
312 lb
141.5 kg

WR2/J=mr2 (Hub & Center Plate)
122 lb·ft²
5.14 kg·m²

Dimension A
27.00 in
685.8 mm

Bolt Hole Diameter B
25.500 in
647.70 mm

Dimension C
21.378/21.375 in
543.00/542.93 mm

Dimension D
24.88 in
632 mm

Dimension F
7.13 in
181.1 mm

Dimension G
0.75 in
19.1 mm

Dimension H
11.75 in
298.5 mm

Dimension J
0.31 in
7.9 mm

Number of Mounting Holes (L)
12

Dimension L
21/32 in
16.7 mm

Dimension M
14.50 in
368.3 mm

Dimension N
9.00 in
228.6 mm

Dimension Q
0.75 in
19.1 mm

Dimension R (Number - Size)
3 - 1/2 NPT

Dimension T
9.25 in

Minimum U
2.00 in
50.8 mm

Maximum U
6.00 in
152.4 mm

Manufacturer
Wichita Clutch

Actuation
Air Applied


Note
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.)