The Rowland Company
The Rowland Company
4900 North 20th St.
Philadelphia, PA 19144
Toll Free: (800) 925-8824
Phone: (215) 455-4900
Fax: (215) 455-8888
Email: rowland@rowland2.com
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The type CB element assembly is designed and built to provide dependable clutch or brake service in the most exacting industrial applications. It is suited to high speed, cyclic operations, as well as for coupling and general power transmission.
Single Flange CB Elements
Unit of Measure
Items Single Flange CB Elements
142252
Single Flange CB Elements 		Single Flange CB Elements
142840JB
Single Flange CB Elements 		Single Flange CB Elements
142253
Single Flange CB Elements 		Single Flange CB Elements
142095
Single Flange CB Elements 		Single Flange CB Elements
142096
Single Flange CB Elements
Size N/A 3CB150 N/A 4CB200 N/A 5CB200 N/A 6CB200 N/A 8CB250
Torque Rating (75 psi/5.5 bar)1 N/A 360 lb·in40.7 Nm N/A 1000 lb·in113 Nm N/A 1460 lb·in165 Nm N/A 2040 lb·in231 Nm N/A 4290 lb·in485 Nm
Maximum Speed2 N/A 2000 rpm N/A 2000 rpm N/A 2000 rpm N/A 1800 rpm N/A 1800 rpm
Centrifugal Loss Constant Cs N/A 0.10 E-06 bar/rpm2 1.5 E-06 psi/rpm2 N/A 0.12 E-06 bar/rpm2 1.7 E-06 psi/rpm2 N/A 0.14 E-06 bar/rpm2 2.0 E-06 psi/rpm2 N/A 0.41 E-06 bar/rpm2 6.0 E-06 psi/rpm2 N/A 0.48 E-06 bar/rpm2 7.0 E-06 psi/rpm2
Inertia N/A 0.1 lb·ft²0 kg·m² N/A 0.2 lb·ft²0.01 kg·m² N/A 0.4 lb·ft²0.02 kg·m² N/A 1.0 lb·ft²0.04 kg·m² N/A 2.0 lb·ft²0.08 kg·m²
Weight N/A 1.8 lb0.8 kg N/A 2.5 lb1.1 kg N/A 3.5 lb1.6 kg N/A 7.0 lb3.2 kg N/A 9 lb4.1 kg
Friction Area N/A 14 in²90.3 cm² N/A 23 in²148.4 cm² N/A 30 in²193.5 cm² N/A 36 in²232.2 cm² N/A 61 in²393.5 cm²
New Friction Lining Thickness N/A 0.20 in5 mm N/A 0.12 in3 mm N/A 0.20 in5 mm N/A 0.14 in4 mm N/A 0.12 in3 mm
Worn Friction Lining Thickness N/A 0.04 in1 mm N/A 0.03 in1 mm N/A 0.04 in1 mm N/A 0.06 in2 mm N/A 0.06 in2 mm
Air Tube Cavity3 N/A 7 in³0.12 dm³ N/A 10 in³0.17 dm³ N/A 17 in³0.28 dm³ N/A 19 in³0.32 dm³ N/A 30 in³0.49 dm³
Minimum Drum Diameter N/A 2.90 in74 mm N/A 3.90 in99 mm N/A 4.90 in124 mm N/A 5.90 in150 mm N/A 7.90 in201 mm
Dimension D2 N/A 2.16 in55 mm N/A 2.63 in67 mm N/A 2.85 in72 mm N/A 2.94 in75 mm N/A 3.44 in87 mm
Dimension D24 N/A 1.18 in30 mm N/A 1.38 in35 mm N/A 1.50 in38 mm N/A 1.56 in40 mm N/A 1.91 in48 mm
Dimension D25 N/A 0.10 in2 mm N/A 0.09 in2 mm N/A 0.10 in2 mm N/A 0.09 in2 mm N/A 0.09 in2 mm
Dimension G4 N/A 6.299 in160 mm N/A 7.248 in184.1 mm N/A 8.819 in224 mm N/A 10.752 in273.1 mm N/A 12.875 in327 mm
Dimension G1 N/A 4.86 in123 mm N/A 5.81 in148 mm N/A 7.20 in183 mm N/A 9.06 in230 mm N/A 11.19 in284 mm
Dimension H2 N/A 5.748 in146 mm N/A 6.688 in169.9 mm N/A 8.071 in205 mm N/A 10.000 in254 mm N/A 12.125 in308 mm
Dimension H6 N/A 3.15 in80 mm N/A 4.13 in105 mm N/A 5.16 in131 mm N/A 6.16 in156 mm N/A 8.16 in207 mm
Dimension H7 N/A 5.75 in146 mm N/A 6.69 in170 mm N/A 8.07 in205 mm N/A 10.00 in254 mm N/A 12.13 in308 mm
Number of Mounting Holes N/A 8
Bolt Hole Size L N/A 0.25 in6 mm N/A 0.25 in6 mm N/A 0.31 in8 mm N/A 0.38 in10 mm N/A 0.38 in10 mm
Dimension O3 N/A 0.28 in7 mm N/A 0.19 in5 mm N/A 0.29 in7 mm N/A 0.31 in8 mm N/A 0.31 in8 mm
Air Inlet Thread N/A 1/8-27 N/A 1/8-27 N/A 1/8-27 N/A 3/8-18 N/A 3/8-18
Angle Q N/A 22.500 º
Dimension V N/A 0.35 in9 mm N/A 0.38 in10 mm N/A 0.48 in12 mm N/A 0.56 in14 mm N/A 0.56 in14 mm
Number of Friction Shoes N/A 6 N/A 6 N/A 6 N/A 6 N/A 8
Friction Shoe Width (W) N/A 1.50 in38 mm N/A 2.00 in51 mm N/A 2.00 in51 mm N/A 2.00 in51 mm N/A 2.50 in64 mm
Note N/A Refers to basic part number only. When ordering, the number of air inlets and type of connection must be specified. N/A Refers to basic part number only. When ordering, the number of air inlets and type of connection must be specified. N/A Refers to basic part number only. When ordering, the number of air inlets and type of connection must be specified. N/A Refers to basic part number only. When ordering, the number of air inlets and type of connection must be specified. For example 142095JA, 142095JB, 142095JC, 142095JG N/A 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
 
 
 
Manufacturer N/A N/A N/A N/A Airflex N/A 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)