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534.20

Item number:

Description:

2-Convolution (long cardan) Highest torsional stiffness of the bellows couplings giving the highest torsional accuracy. Stainless Steel Bellows Couplings with Set Screw Style Fixing

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

Bore 1
Bore 2
Part #:

Technical Specifications

Coupling Type
Bellows Flex-B
Configuration
Stretch
Size
20
Material
Aluminium/Stainless Steel
Max Bore B1 (in)
0.315
Max Bore B1 (mm)
8
Min Bore B1 (in)
0.12
Min Bore B1 (mm)
3
Max Bore B2 (in)
0.31
Max Bore B2 (mm)
8
Min Bore B2 (in)
0.12
Min Bore B2 (mm)
3
Angular Compensation, Max (degrees)
1.3
Angular Stiffness (lbf/degree)
0.074
Angular Stiffness (N/degree)
0.33
Axial Compensation, Max (in)
0.008
Axial Compensation, Max (mm)
0.2
Axial Stiffness (lbf/in)
40.5
Axial Stiffness (N/mm)
7.1
Bore Tolerance (in)
+0.0012 / -0.0000
Bore Tolerance (mm)
+0.03 / -0.00
Fastener Screw Size
M4
Fastener Screw Torque (lb-in)
20
Fastener Screw Torque (Nm)
2.27
Fastener Wrench Size (mm)
2
Max Speed (rpm)
20000
Operating Temperature (°C)
-40 to +120
Operating Temperature (°F)
-40 to +248
Peak Torque (lb-in)
22.1
Peak Torque (Nm)
2.5
Radial Compensation, Max (in)
0.008
Radial Compensation, Max (mm)
0.2
Radial Stiffness (lbf/in)
46.8
Radial Stiffness (N/mm)
8.2
Resists Axial Load
Yes
Shaft Connection
Set-Screw
Torsional Stiffness (lb-in/rad)
1991
Torsional Stiffness (Nm/rad)
225
Mass (Weight) (g)
18
Mass (Weight) (oz)
0.63
[D] Outside Diameter (in)
0.79
[D] Outside Diameter (mm)
20
L1 Dimension (in)
0.43
L1 Dimension (mm)
11
[L] Length (in)
1.72
[L] Length (mm)
43.6
[L] Overall Length (in)
1.72
[L] Overall Length (mm)
43.6
Item Note
Coupling load capacity depends on the operating load cycle. Refer to catalog for further sizing information.
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