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536.20

Item number:

Description:

3-Convolution (standard) Short type for precisely aligned shafts. Stainless Steel Bellows Couplings, 3 Convolution with Clamp 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
Short
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)
2
Angular Stiffness (lbf/degree)
0.232
Angular Stiffness (N/degree)
1.03
Axial Compensation, Max (in)
0.014
Axial Compensation, Max (mm)
0.35
Axial Stiffness (lbf/in)
101
Axial Stiffness (N/mm)
17.7
Bore Tolerance (in)
+0.0012 / -0.0000
Bore Tolerance (mm)
+0.03 / -0.00
Fastener Screw Size
M2.5
Fastener Screw Torque (lb-in)
11.68
Fastener Screw Torque (Nm)
1.32
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)
17.7
Peak Torque (Nm)
2
Radial Compensation, Max (in)
0.002
Radial Compensation, Max (mm)
0.06
Radial Stiffness (lbf/in)
656
Radial Stiffness (N/mm)
115
Resists Axial Load
Yes
Shaft Connection
Clamp
Torsional Stiffness (lb-in/rad)
2788
Torsional Stiffness (Nm/rad)
315
Mass (Weight) (g)
16
Mass (Weight) (oz)
0.56
[D] Outside Diameter (in)
0.79
[D] Outside Diameter (mm)
20
L1 Dimension (in)
0.43
L1 Dimension (mm)
11
[L] Length (in)
1.22
[L] Length (mm)
31
[L] Overall Length (in)
1.22
[L] Overall Length (mm)
31
Item Note
Coupling load capacity depends on the operating load cycle. Refer to catalog for further sizing information.
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