Item # 142270KY, Brake Element On The Rowland Company

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	All Categories CB Clutches and Brakes - Gap Mounted Arrangement

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	Item # 142270KY, Brake Element

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.

Unit of Measure: Imperial Metric Both

Specifications · Note

Specifications

Size¹

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)

237 lb
108 kg

Wk² J (Drum)

337 lb·ft²
14.15 kg·m²

Weight Mass (Hub)

213 lb
97 kg

Wk² J (Hub)

69 lb·ft²
2.9 kg·m²

Torque Rating (75 psi/5.5 bar)

121000 lb·in
13700 Nm

Rotorseal Size

Minimum Bore Size

3.00 in
76 mm

Maximum Bore Size

4.50 in
114 mm

Dimension D

768 mm
30.25 in

Dimension D₁

7.50 in
191 mm

Dimension D₇

203 mm
8.00 in

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

14.75 in
375 mm

Manufacturer

Eaton-Airflex

Actuation

Air Applied

¹ Based upon minimum bores.

Note

Part number shown for element with one air inlet.

Item # 142270KY, Brake Element

Size1