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 # 142443  


Item # 142443, 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

45CB525

Torque Rating (75 psi/5.5 bar)1

520000 lb·in
58800
Nm

Maximum Speed2

670 rpm

Centrifugal Loss Constant Cs

4.42 E-06 bar/rpm2
64 E-06 psi/rpm2

Inertia

2293 lb·ft²
96.31
kg·m²

Weight

537 lb
243
kg

Friction Area

1350 in²
8708
cm²

New Friction Lining Thickness

0.33 in
8
mm

Worn Friction Lining Thickness

0.06 in
2
mm

Air Tube Cavity3

860 in³
14.1
dm³

Minimum Drum Diameter

44.75 in
1137
mm

Dimension D2

14.44 in
367
mm

Dimension D25

0.28 in
7
mm

Dimension G4

53.625 in
1362.1
mm

Dimension H2

52.125 in
1324
mm

Dimension H6

45.19 in
1148
mm

Dimension H7

52.25 in
1327
mm

Number of Mounting Holes

24

Bolt Hole Size L

0.750 in
19
mm

Dimension O3

0.63 in
16
mm

Air Inlet Thread

3/4-14

Angle Q

7.500 º

Dimension V

0.84 in
21
mm

Number of Friction Shoes

54

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.