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 > Single Flange CB Elements > Item # 142096  


Item # 142096, Single Flange CB Elements

8CB250 Element
Form CB-401
 
 
 





Specifications  · Note

Specifications

Size
8CB250

Torque Rating (75 psi/5.5 bar)1
4290 lb·in
485 Nm

Maximum Speed2
1800 rpm

Centrifugal Loss Constant Cs
0.48 E-06 bar/rpm2
7.0 E-06 psi/rpm2

Inertia
2.0 lb·ft²
0.08 kg·m²

Weight
9 lb
4.1 kg

Friction Area
61 in²
393.5 cm²

New Friction Lining Thickness
0.12 in
3 mm

Worn Friction Lining Thickness
0.06 in
2 mm

Air Tube Cavity3
30 in³
0.49 dm³

Minimum Drum Diameter
7.90 in
201 mm

Dimension D2
3.44 in
87 mm

Dimension D24
1.91 in
48 mm

Dimension D25
0.09 in
2 mm

Dimension G4
12.875 in
327 mm

Dimension G1
11.19 in
284 mm

Dimension H2
12.125 in
308 mm

Dimension H6
8.16 in
207 mm

Dimension H7
12.13 in
308 mm

Number of Mounting Holes
8

Bolt Hole Size L
0.38 in
10 mm

Dimension O3
0.31 in
8 mm

Air Inlet Thread
3/8-18

Angle Q
22.500 º

Dimension V
0.56 in
14 mm

Number of Friction Shoes
8

Friction Shoe Width (W)
2.50 in
64 mm

Manufacturer
Airflex
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:
3 thru 5
+0.000/-0.003 in (+0.00/-0.08 mm)
6 and larger
+0.000/-0.005 in (+0.00/-0.13 mm)


Note
Refers to basic part number only. When ordering, the number of air inlets and type of connection must be specified. For example 142096JA, 142096JB, 142096JC, 142096JG