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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Section B
Form CB 418
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.
CB Mounting Components - Drum Hubs
Unit of Measure
1 2 

Item #

Size

Type

Weight

Inertia

Minimum Bore

Maximum Bore

406913 N/A 22CB500 N/A Tapped Holes N/A 131 lb59 kg N/A 29.00 lb·ft²1.22 kg·m² N/A 2.75 in70 mm N/A 5.25 in133 mm
406915 N/A 24CB500 N/A Tapped Holes N/A 132 lb60 kg N/A 30.00 lb·ft²1.26 kg·m² N/A 2.75 in70 mm N/A 5.25 in133 mm
406917 N/A 26CB525 N/A Tapped Holes N/A 160 lb72 kg N/A 46.00 lb·ft²1.93 kg·m² N/A 2.75 in70 mm N/A 5.50 in140 mm
406919 N/A 28CB525 N/A Tapped Holes N/A 175 lb79 kg N/A 61.00 lb·ft²2.56 kg·m² N/A 2.75 in70 mm N/A 5.50 in140 mm
406921 N/A 30CB525 N/A Tapped Holes N/A 214 lb97 kg N/A 78.00 lb·ft²3.28 kg·m² N/A 3.00 in76 mm N/A 6.00 in152 mm
406923 N/A 32CB525 N/A Tapped Holes N/A 222 lb101 kg N/A 102.00 lb·ft²4.28 kg·m² N/A 3.00 in76 mm N/A 6.00 in152 mm
406925 N/A 36CB525 N/A Tapped Holes N/A 305 lb138 kg N/A 159.00 lb·ft²6.68 kg·m² N/A 4.00 in102 mm N/A 7.00 in178 mm
406927 N/A 40CB525 N/A Tapped Holes N/A 358 lb162 kg N/A 247.00 lb·ft²10.37 kg·m² N/A 4.00 in102 mm N/A 7.00 in178 mm
406929 N/A 45CB525 N/A Tapped Holes N/A 541 lb245 kg N/A 461.00 lb·ft²19.36 kg·m² N/A 4.38 in111 mm N/A 8.25 in210 mm
Unit of Measure
1 2