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Zero-Max SC020R ServoClass double-flex servo coupling, size 20, with stainless steel flex elements. Designed for high-performance servo drive systems, this coupling accommodates parallel and angular misalignment while providing precise torque transmission. The double-flex design uses two disc packs for increased offset capacity.
MODEL SC020R
Contact supplier for technical support on: 800-533-1731
$74.97 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Angular misalignment
1
Axial misalignment
0.013 inches, 0.33 mm
Axial stiffness
183 lbs/inch, 32 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)
0.425 in, 10.8 mm
Hub Length (LB)
0.423 Inches, 10.75 mm
Inertia
0.012 lb-in, 3.4 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
1.272 Inches, 32.3 mm
Parallel misalignment
0.006 inches, 0.15 mm
Tightening torque
9 in-lbs, 1 Nm
Torsional stiffness
1, 850 Nm/rad
Specifications
| Axial Stiffness (N/mm) | 32.0 |
| 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) | 0.01200 |
| Operating Torque (Nm) | 2.0 |
| Product Name | ServoClass Double Flex Couplings |
| Style | C |
| Tightening Torque (Nm) | 1.017 |
| Torsional Stiffness (Nm/Rad) | 1,850 |
| Torsional Stiffness (in-lb/deg) | 286 |
| Weight (g) | 36.85 |
| Brand | Winsmith |
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