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Zero-Max SD020R ServoClass single-flex servo coupling, size 20, with stainless steel flex elements. Designed for precision motion control in servo drive systems, this coupling accommodates parallel and angular misalignment while providing high torsional stiffness. The stainless steel flex elements offer corrosion resistance and durability in demanding environments.
MODEL SD020R
Contact supplier for technical support on: 800-533-1731
$63.23 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: Yes
Angular misalignment
1
Axial misalignment
0.006 inches, 0.15 mm
Axial stiffness
366 lbs/inch, 64 N/mm
Clamp Screw Size (M)
M2.5, M2.5
Clamp Screw to Bore (A2)
0.374 inches, 9.5 mm
Clamp Screw to End of Hub (C)
0.130 inches, 3.3 mm
Distance Between Shaft Ends (DBSE)
0.065 in, 1.65 mm
Hub Length (LB)
0.423 Inches, 10.75 mm
Inertia
0.008 lb-in, 2.36 x 10 kg-m
Inside Diameter of Flex Disc (K)
0.417 Inches, 10.6 mm
Max Speed
10, 000 RPM
Maximum Bore
0.4375 inches, 11 mm
Minimum Bore
0.1875 inches, 4 mm
Operating Torque
18 in-lbs, 2 Nm
Outside diameter
1.024 Inches, 26 mm
Overall Length
0.911 Inches, 23.15 mm
Parallel misalignment
0.001 inches, 0.02 mm
Tightening torque
9 in-lbs, 1 Nm
Torsional stiffness
3, 700 Nm/rad
Specifications
| Axial Stiffness (N/mm) | 64.1 |
| Clamp Screw Size M | M2.5 |
| Coupling Size for Drawing References | 20 |
| Material Map | servo |
| Maximum Speed (RPM) | 10, 000 |
| Misalignments Angular (deg) | 1 |
| Moment of Inertia (lb-in²) | 0.00800 |
| Operating Torque (Nm) | 2.0 |
| Product Name | ServoClass Single Flex Couplings |
| Style | C |
| Tightening Torque (Nm) | 1.017 |
| Torsional Stiffness (Nm/Rad) | 3, 700 |
| Torsional Stiffness (in-lb/deg) | 572 |
| Brand | Winsmith |
| Model | E17MDBD71000S1 |
| Brand | Gates Rubber |
| Model | XPZ2650 |