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 > Drum Clutches and Brakes > CB Clutches and Brakes > CB Elements and Mounting Components > Dual Flange CB Elements (Sizes 12 to 45) > Item # 142442  


Item # 142442, Dual Flange CB Elements (Sizes 12 to 45)


Two dual flanged elements can be bolted together to form a dual element having twice the torque capacity of a single element. Dual elements can be furnished in sizes 12CB350 through 45CB525.





Specifications  · Note

Specifications

Size

40CB525

Torque Rating (75 psi/5.5 bar)1

422000 lb·in
47700
Nm

Maximum Speed2

750 rpm

Centrifugal Loss Constant Cs

3.59 E-06 bar/rpm2
52 E-06 psi/rpm2

Inertia

1502 lb·ft²
63.08
kg·m²

Weight

413 lb
187
kg

Friction Area

1220 in²
7869
cm²

New Friction Lining Thickness

0.33 in
8
mm

Worn Friction Lining Thickness

0.06 in
2
mm

Air Tube Cavity3

760 in³
12.5
dm³

Minimum Drum Diameter

39.81 in
1011
mm

Dimension D2

14.44 in
367
mm

Dimension D25

0.25 in
6
mm

Dimension G4

48.625 in
1235.1
mm

Dimension H2

47.125 in
1197
mm

Dimension H6

40.19 in
1021
mm

Dimension H7

47.25 in
1200
mm

Number of Mounting Holes

20

Bolt Hole Size L

0.750 in
19
mm

Dimension O3

0.63 in
16
mm

Air Inlet Thread

3/4-14

Angle Q

9.000 º

Dimension V

0.84 in
21
mm

Number of Friction Shoes

48

Friction Shoe Width (W)

12.69 in
322
mm
1 Dynamic torque shown, static torque approximately 25% greater. Torque in each application is dependent upon air pressure and speed.
2 Maximum rpm is dependent upon operating conditions and varies for each application. Consult factory for applications exceeding these speeds.
3 Drum contact with worn shoes.
4 Tolerance for sizes:
12 thru 24, 28 and 32
+0.000/-0.005 in (+0.00/-0.13 mm)
26 and 30
+0.000/-0.008 in (+0.00/-0.20 mm)
36 thru 45
+0.000/-0.010 in (+0.00/-0.25 mm)


Note
Refers to basic part number only. When ordering, the number of air inlets and type of connection must be specified.