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Nexen 828904 is a shaft mount combination clutch brake with an air engaged clutch and spring engaged fail-safe brake. It features a 25 mm straight machined bore with keyway, 1800 RPM max speed, 350 inlb static clutch torque, and 400 inlb static brake torque. The open design includes black oxide finish, double piston, and elastomer coupling. This unit must be mounted on the driven shaft and is CE and RoHS certified.
MODEL 828904
Contact supplier for technical support on: 800 843 7445
$1,529.86 Each
Prices are subject to change
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Typically Ships in: 3 days
Returnable:No
Anti rotation style
Anti-Rotation Holes, Optional Torque Pin Bracket
Approximate brake facing life
230 hphr
Approximate clutch facing life
572 hphr
Bore details
Straight
Bore size
25 mm, Machined Bore with Keyway
Bore style
Machined Bore with Keyway
Brake air chamber volume when new
0.629 in³
Brake air chamber volume when worn out
1.422 in³
Brake facing edge color code
Red
Brake facing effective area
11.9 in²
Brake facing type
Standard coefficient
Brake heat sink capacity
25000 ftlb
Brake peak thermal input rate
11.00 hp
Brake response factor
0.09
Brake side engagement method
Spring
Brake torque
400 inlb
CE certified
CE
Clutch air chamber volume when new
0.327 in³
Clutch air chamber volume when worn out
0.864 in³
Clutch facing edge color code
Red
Clutch facing effective area
18.62 in²
Clutch Facing Type
Standard coefficient
Clutch heat sink capacity
45000 ftlb
Clutch peak thermal input rate
17.00 hp
Clutch response factor
0.06
Clutch side engagement method
Air
Coupling size
4.000 in
Coupling type
Elastomer
Drive inertia
19.00 lbin²
Enclosure
Open
Finish
Black oxide
Inlet size
0.125 NPT
Input shaft securement
2, 0.250-20 Set Screws @ 90° Output End; 3, 0.164-32 Set Screws @ 120° On Brake End
Length
6.19 in
Materials of construction
Black oxide
Max allowable pressure (psi)
120
Max ambient temperature (°F)
150
Max brake continuous thermal dissipation
0.52 hp
Max clutch continuous thermal dissipation
0.40 hp
Max operating pressure (psi)
80
Max Speed
1800 RPM
Max static brake torque
400 inlb
Max static clutch torque
350 inlb
Min ambient temperature (°F)
32
Min engagement pressure (psi)
5
Min sprocket size
35/40T, 40/30T, 50/25T, 60/21T
Mounting style
Driven Shaft
Open or enclosed design
Open
Outer Diameter
6.00 in
Output bolt circle
3.5 in
Output bolt hole size
4 0.250-20 in, Holes @ 90°
Output shaft style
None
Output type
Pilot
Pilot size
3.000 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
RPM
1800
Shaft inertia
14.2 lbin²
LWCB*25MM,PILOT MOUNT,NSB
Air Engaged Brake, Air Engaged Clutch, Driven Shaft Mount, Straight Bore, Double Piston
SKU: 533610
Great prices and great service
I continue to use MRO for various production parts I need. They beat the competition hands down. And the delivery is timely.
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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I continue to use MRO for various production parts I need. They beat the competition hands down. And the delivery is timely.
Read moreSKU: 5919489
Great service
Provide great pricing, accurate order processing, and timely delivery. I recommend MRO for your electronic needs.
Read more