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Nexen 830812 is a shaft mount combination clutch brake with an air engaged clutch and spring engaged fail-safe brake. It features a 1.437 in straight machined bore with keyway, 1800 RPM max speed, 840 inlb max static clutch torque, and 1260 inlb max static brake torque. The open design has a black oxide finish, 7.88 in length, 8.00 in outer diameter, and 0.125 NPT inlet. It includes a 7.000 in elastomer coupling and 4.000 in pilot. Suitable for driven shaft mounting.
MODEL 830812
Contact supplier for technical support on: 800 843 7445
$2,232.80 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Anti rotation style
Anti-Rotation Holes, Optional Torque Pin Bracket
Approximate brake facing life
286 hphr
Approximate clutch facing life
613 hphr
Bore details
Straight
Bore size
1.437 in, Machined Bore with Keyway
Bore style
Machined Bore with Keyway
Brake air chamber volume when new
0.771 in³
Brake air chamber volume when worn out
2.394 in³
Brake facing edge color code
Purple
Brake facing effective area
18.6 in²
Brake facing type
High Coefficient
Brake heat sink capacity
45000 ftlb
Brake peak thermal input rate
17.00 hp
Brake response factor
0.142
Brake side engagement method
Spring
Brake torque
1260 inlb
CE certified
CE
Clutch air chamber volume when new
0.633 in³
Clutch air chamber volume when worn out
1.988 in³
Clutch facing edge color code
Purple
Clutch facing effective area
30.63 in²
Clutch Facing Type
High Coefficient
Clutch heat sink capacity
90000 ftlb
Clutch peak thermal input rate
28.00 hp
Clutch response factor
0.119
Clutch side engagement method
Air
Coupling size
7.000 in
Coupling type
Elastomer
Drive inertia
77.30 lbin²
Finish
Black oxide
Inlet size
0.125 NPT
Length
7.88 in
Materials of construction
Black oxide
Max allowable pressure (psi)
120
Max ambient temperature (°F)
150
Max brake continuous thermal dissipation
1.30 hp
Max clutch continuous thermal dissipation
0.75 hp
Max operating pressure (psi)
80
Max Speed
1800 RPM
Max static brake torque
1260 inlb
Max static clutch torque
840 inlb
Min ambient temperature (°F)
32
Min engagement pressure (psi)
5
Min sprocket size
40/38T, 50/31T, 60/26T, 80/21T
Mounting style
Driven Shaft
Open or enclosed design
Open
Outer Diameter
8.00 in
Output bolt circle
4.75 in
Output bolt hole size
4 0.312-18 in, Holes @ 90°
Output shaft style
None
Output type
Pilot
Pilot size
4.000 in
Product features
Air Engaged Brake, Air Engaged Clutch, Driven Shaft Mount, Straight Bore, Double Piston
Restrictions
Must Be Mounted On The Driven Shaft
RoHS compliant
RoHS
Shaft inertia
57.2 lbin²
MWCB*1.438, PILOT MOUNT, HICO
Air Engaged Brake, Air Engaged Clutch, Driven Shaft Mount, Straight Bore, Double Piston
| Configuration Notes | The MCB-800, Prod # 830856 May Be An Alternative |
|---|
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Read moreSKU: 5919489
Great service
Provide great pricing, accurate order processing, and timely delivery. I recommend MRO for your electronic needs.
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Great service
Provide great pricing, accurate order processing, and timely delivery. I recommend MRO for your electronic needs.
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