Item # 142096, Single Flange CB Elements On The Rowland Company

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	Item # 142096, Single Flange CB Elements

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8CB250 Element
Form CB-401

Unit of Measure: Imperial Metric Both

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 C_s

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

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

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

MORE IMAGES


	· CB Cutaway.jpg

Item # 142096, Single Flange CB Elements

Size

Torque Rating (75 psi/5.5 bar)1

Maximum Speed2

Centrifugal Loss Constant Cs