142270KY

Section B
Form CB-429
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.

Specifications

Size	30CB525
Spider	407096
Drum	411869
Hub	406920
Weight	1093 lb 495 kg
Weight Mass (Element Each)	148 lb 67 kg
Wk² J (Element Each)	303 lb·ft² 12.73 kg·m²
Weight Mass (Spider)	341 lb 155 kg
Wk² J (Spider)	390 lb·ft² 16.38 kg·m²
Weight Mass (Drum) >> lb [Imperial]	237 lb 108 kg
Wk² J (Drum)	337 lb·ft² 14.15 kg·m²
Weight Mass (Hub)	213 lb 108 kg
Wk² J (Hub) >> lb·ft² [Imperial]	69 lb·ft² 2.9 kg·m²
Torque Rating (75 psi/5.5 bar)	121000 lb·in 13700 Nm
Rotorseal Size	C2
Minimum Bore Size	3.00 in 76mm
Maximum Bore Size	4.50 in 114 mm
Dimension D	30.25 in 768 mm
Dimension D₁	7.50 in 191 mm
Dimension D₇	8.00 in 203 mm
Dimension D₂₄	2.50 in 64 mm
Dimension D₃₇	6.80 in 173 mm
Dimension D₃₈	9.50 in 241 mm
Dimension D₄₅	7.406 in 188.1 mm
Dimension H₂	38.63 in 981 mm
Dimension M	1.44 in 37 mm
Dimension O	3/8-18 in
Dimension X	3/8-18 in 14.75 mm
Manufacturer	Eaton-Airflex
Actuation	Air Applied

Notes

Part number shown for element with one air inlet.

¹ Based upon minimum bores.