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726.57

Item number:

Description:

These general purpose, multi-beam couplings will readily accommodate any combination of axial motion and angular & parallel misalignment but should be used with caution if low bearing loads are desirable.

Select bore(s) before adding to cart (prices will change if keyways are selected).

Bore 1
Bore 2
Part #:

Technical Specifications

Configuration
6 Beam Relieved Bore
Size
57
Material
Aluminium
Max Bore B1 (in)
1.26
Max Bore B1 (mm)
32
Min Bore B1 (in)
0.394
Min Bore B1 (mm)
10
Max Bore B2 (in)
1.26
Max Bore B2 (mm)
32
Min Bore B2 (in)
0.787
Min Bore B2 (mm)
20
Angular Compensation, Max (degrees)
7
Bore Tolerance (in)
+0.0012 / -0.0000
Bore Tolerance (mm)
+0.03 / -0.00
Fastener Screw Size
M8
Fastener Screw Torque (lb-in)
159
Fastener Screw Torque (Nm)
18
Fastener Wrench Size (mm)
4
Max Speed (rpm)
5000
Operating Temperature (°C)
-40 to +140
Operating Temperature (°F)
-40 to +284
Peak Torque (lb-in)
248
Peak Torque (Nm)
28
Radial Compensation, Max (in)
0.037
Radial Compensation, Max (mm)
0.95
Resists Axial Load
Yes
Shaft Connection
Set-Screw
Torsional Stiffness (lb-in/rad)
4062
Torsional Stiffness (Nm/rad)
459
Mass (Weight) (g)
593
Mass (Weight) (lbs)
1.31
[D] Outside Diameter (in)
2.25
[D] Outside Diameter (mm)
57.2
L1 Dimension (in)
1.26
L1 Dimension (mm)
32
[L] Length (in)
5.12
[L] Length (mm)
130
[L] Overall Length (in)
5.12
[L] Overall Length (mm)
130
Item Note
Coupling load capacity depends on the operating load cycle. Refer to catalog for further sizing information.

Literature

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