Double disc coupling short type main use for servo motor,stepping motor.Couplings made of aluminum alloy.This page introduced double disc flexible coupling size, model, and specifications.
A2C Series
A2C-Outside diameter X Total length – d1 bore X d2 bore
Example: A2CT-50X53-16X18
A: Aluminum;
2: Double Disc;
C: Clamping Type;
T: Short;
50: Outside diameter;
53: Total length;
16: d1 bore diameter;
18: d2 bore diameter;
Please note:If you need this coupling size is big,please check disk coupling.
| Model | d1，d2，Bore | ΦD | L | LF | LP | d3 | Φd4 | S | F | C | M | Wrench Torque
(N.M) |
| A2CT-16×21 | 3,4,5,6, 6.35 | Φ16 | 21 | 7.8 | 3 | Φ6.5 | Φ6.5 | 1.2 | 2.65 | 4.6 | 2-M2.5×8 | 1.5 |
| A2CT-19×24.5 | 3,4,5,6, 6.35 ,7,8 | Φ19 | 24.5 | 9 | 2.5 | Φ9 | Φ8.5 | 2 | 3.3 | 6 | 2-M2.5×10 | 1.5 |
| A2CT-26×30 | 5,6, 6.35 ,7,8,9, 9.525 ,10,11 | Φ26 | 30 | 10.65 | 3.6 | Φ12 | Φ10.5 | 2.7 | 3.9 | 8.58 | 2-M2.5×10 | 1.5 |
| A2CT-32×38 | 6, 6.35 ,7,8,9, 9.525 ,10,11,12, 12.7 ,14,15 | Φ32 | 38 | 12.25 | 5.7 | Φ15 | Φ14.5 | 3.9 | 3.85 | 11 | 2-M3x12 | 2.5 |
| A2CT-34×38 | 6, 6.35 ,7,8,9, 9.525 ,10,11,12, 12.7 ,14,15 | Φ34 | 38 | 12.25 | 5.7 | Φ15 | Φ14.5 | 3.9 | 3.85 | 11.25 | 2-M3x12 | 2.5 |
| A2CT-39×47 | 8,9, 9.525 ,10,11,12, 12.7 ,14,15,16,18,19 | Φ39 | 47 | 15.5 | 8.8 | Φ19 | Φ17 | 3.6 | 5 | 13.1 | 2-M4x18 | 2.5 |
| A2CT-44×47 | 8,9, 9.525 ,10,11,12, 12.7 ,14,15,16,18,19,20,22 | Φ44 | 47 | 15.5 | 8.8 | Φ21 | Φ20.5 | 3.6 | 5 | 15.5 | 2-M4x20 | 3.5 |
| A2CT-50×53 | 12,14,15,16,18,19,20,22,24 | Φ50 | 53 | 18 | 6.5 | Φ21 | Φ22.5 | 5.2 | 5.5 | 17.3 | 2-M5x20 | 3.5 |
| A2CT-50×57 | 12,14,15,16,18,19,20,22,24 | Φ50 | 57 | 18 | 9.5 | Φ21 | Φ22.5 | 5.2 | 5.5 | 17.3 | 2-M5x20 | 8 |
| A2CT-56×57 | 12,14,15,16,18,19,20,22,24,25 | Φ56 | 57 | 19.75 | 6.5 | Φ25 | Φ26 | 5.5 | 6.4 | 19.5 | 2-M5x25 | 8 |
| A2CT-68×68 | 15,16,19,20,22,24,25,28,30,35 | Φ68 | 68 | 23.35 | 8.7 | Φ35 | Φ31 | 6.3 | 7.7 | 23.5 | 2-M6x35 | 15 |
| A2CT-82×87 | 22,24,,28,30,35,38,40 | Φ82 | 87 | 30 | 11 | Φ42 | Φ41 | 8 | 9.7 | 28 | 2-M8x35 | 30 |
| Model | Rated torque
(N·M)
|
Maximum
Torque (N·M) |
Allow Radial direction
(mm) |
Allow angle
( °)
|
Allow Axis
(mm) |
Maximum speed
Rmp |
Static torsional
Stiffness (N·M/rad) |
Moment of
Inertia (kg·M2) |
Bushings
Material |
Flexible
colloidal material |
Surface
treatment |
Weigh
g |
| A2CT-16×21 | 1 | 2 | 0.1 | 1.5 | ±0.1 | 10000 | 235 | 2.7×10-7 | Hing-strength
aluminum alloy |
SUS | Oxidation
treatment |
9 |
| A2CT-19×24.5 | 2 | 4 | 0.12 | 1.5 | ±0.18 | 10000 | 170 | 8.19×10-7 | 32 | |||
| A2CT-26×30 | 3.5 | 7 | 0.15 | 1.5 | ±0.3 | 10000 | 820 | 2.7×10-6 | 32 | |||
| A2CT-32×38 | 8 | 16 | 0.17 | 1.5 | ±0.36 | 10000 | 1860 | 1.0×10-5 | 58 | |||
| A2CT-34×38 | 8 | 16 | 0.17 | 1.5 | ±0.36 | 10000 | 1860 | 1.1×10-5 | 71 | |||
| A2CT-39×47 | 15 | 30 | 0.22 | 1.5 | ±0.45 | 10000 | 2860 | 2.7×10-5 | 110 | |||
| A2CT-44×47 | 18 | 36 | 0.22 | 1.5 | ±0.54 | 10000 | 3300 | 3.4×10-5 | 134 | |||
| A2CT-50×53 | 20 | 40 | 0.25 | 1.5 | ±0.68 | 10000 | 5300 | 4.2×10-6 | 225 | |||
| A2CT-50×57 | 20 | 40 | 0.25 | 1.5 | ±0.68 | 10000 | 5300 | 4.5×10-6 | 235 | |||
| A2CT-56×57 | 30 | 60 | 0.27 | 1.5 | ±0.72 | 10000 | 9480 | 1.14×10-4 | 298 | |||
| A2CT-68×68 | 60 | 120 | 0.31 | 1.5 | ±0.8 | 10000 | 19000 | 1.8×10-4 | 472 | |||
| A2CT-82×87 | 100 | 200 | 0.55 | 1.5 | ±0.8 | 10000 | 28450 | 2.25×10-4 | 983 |
