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425.28066

Item number:

Description:

Huco nylon sleeve gear (NSG) couplers are compact and efficient units capable of transmitting a high level of torque relative to their size and weight. The couplers operate silently, are electrically isolating and maintenance free. They are marginally shock absorbent and easily installed in confined spaces. Also directly interchangeable with some other makes. This part is the complete coupling consisting of two hubs and one sleeve.

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Technical Specifications

Coupling Type
Gear Coupling
Configuration
Complete Coupling
Size
28/66
Material
Steel / Nylon
Max Bore B1 (in)
1.125
Max Bore B1 (mm)
28.575
Min Bore B1 (in)
0.25
Min Bore B1 (mm)
6.35
Max Bore B2 (in)
1.125
Max Bore B2 (mm)
28.575
Min Bore B2 (in)
0.25
Min Bore B2 (mm)
6.35
Angular Compensation, Max (degrees)
1
Axial Compensation, Max (in)
0.04
Axial Compensation, Max (mm)
1
Hub Diameter (in)
1.97
Hub Diameter (mm)
50
Max Speed (rpm)
8500
Operating Temperature (°C)
-25 to +82
Operating Temperature (°F)
-13 to +180
Pilot Diameter, Nominal (in)
0.25
Pilot Diameter, Nominal (mm)
6.17
Power, Max (HP)
12.6
Power, Max (kW)
9.4
Power, Nominal (HP)
6.3
Power, Nominal (kW)
4.7
Radial Compensation, Max (in)
0.16
Radial Compensation, Max (mm)
0.4
Shaft Connection
Set-Screw
Torque, Max (lb-in)
797
Torque, Max (Nm)
90
Torque, Nominal (lb-in)
398
Torque, Nominal (Nm)
45
Mass (Weight) (g)
820
Mass (Weight) (lbs)
1.8
[D] Outside Diameter (in)
2.58
[D] Outside Diameter (mm)
66
L2 Dimension (in)
1.4
L2 Dimension (mm)
36
L3 Dimension (in)
0.47
L3 Dimension (mm)
12
L4 Dimension (in)
0.75
L4 Dimension (mm)
19
L5 Dimension (in)
1.8
L5 Dimension (mm)
46
[L] Assembled Length (in)
3.3
[L] Assembled Length (mm)
84
Item Note
Coupling load capacity depends on the operating load cycle. Refer to catalog for further sizing information.
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