OCS series Set Screw type oldham shaft coupling Shaft bushings material SUS 316F.Adjustable ring material:Aluminum bronze.
1:Adjustable ring made of aluminum bronze. High torque.
2:Sliding design,large error adjustment,more effective compensation of radial and angular deviations.
3:Sliding design more effective compensation of radial and angular misalignment.
4:Set Screw(Top tight type).
OCS Series
OCS-Outside diameter X Total length – d1 bore X d2 bore
Example: OCS-38X40-14X16
OC: Oldham Coupling
S: SUS
38: Outside diameter
40: Total length
14: d1 bore diameter
16: d2 bore diameter
| Model | d1 d2 bore | ΦD | L | LF | L1 | L2 | LP | F | M | Wrench Torque
(N.M) |
| OCS-15X16 | 4,5,6, 6.35 | Φ15 | 16 | 7.8 | 16 | 2.6 | 5.6 | 2.5 | 4-M3X4 | 0.7 |
| OCS-17X20 | 5,6, 6.35 ,7,8 | Φ17 | 20 | 9.8 | 20 | 3.3 | 6.6 | 3.25 | 4-M4X4 | 1.7 |
| OCS-20X23 | 6, 6.35 ,8,9, 9.525 ,10 | Φ20 | 23 | 11.3 | 23 | 3.3 | 7 | 4 | 4-M4X5 | 1.7 |
| OCS-26X26 | 6, 6.35 ,8,9, 9.525 ,10,11,12, 12.7 | Φ26 | 26 | 14.3 | 26 | 5.3 | 8 | 4.5 | 4-M4X6 | 1.7 |
| OCS-30X33 | 8,9, 9.525 ,10,11,12,14 | Φ30 | 33 | 16.2 | 33 | 5.7 | 12 | 5.25 | 4-M4X8 | 1.7 |
| OCS-34X35 | 10,12, 12.7 ,14,15 | Φ34 | 35 | 17.2 | 35 | 5.7 | 12 | 5.75 | 4-M5X10 | 4.0 |
| OCS-38X40 | 10,12, 12.7 ,14,15,16,18,19,20 | Φ38 | 40 | 19.7 | 40 | 6.7 | 14 | 6.5 | 4-M5X10 | 4.0 |
| OCS-44X46 | 12, 12.7 ,14,15,16,17,18,19,20,22 | Φ44 | 46 | 22 | 46 | 8 | 18 | 7.5 | 4-M6X12 | 7 |
| OCS-55X50 | 14,15,16,17,18,19,20,22,24,25,28 | Φ55 | 50 | 24.5 | 50 | 7.5 | 16 | 8.5 | 4-M8X14 | 15 |
| OCS-70X57 | 19,20,22,24,25,28,30,32,35 | Φ70 | 57 | 27.5 | 57 | 8.5 | 19 | 9.5 | 4-M10X16 | 30 |
| Model | Rated torque
(N.M) |
Maximun
torque (N.M) |
Allow Radial direction
(mm) |
Allow angle
(°) |
Allow Axis
(mm) |
Maximum speed
(rpm) |
Static torsional stiffness
(N.M/rad) |
Moment of inertia
(kg.M2) |
Bushings Material | Flexible colloidal material | SurFace Treatment | Weight
(g) |
| OCS-15X16 | 3 | 6 | 0.5 | 1.5 | +0.1 | 5000 | 860 | 5.4×10-7 | SUS
316F |
Aluminum bronze | Oxidation treatment | 15 |
| OCS-17X20 | 5 | 10 | 0.5 | 1.5 | +0.1 | 4000 | 1200 | 1.1×10–6 | 25 | |||
| OCS-20X23 | 7 | 14 | 0.6 | 1.5 | +0.1 | 4000 | 1600 | 2.3×10–6 | 37 | |||
| OCS-26X26 | 10 | 20 | 0.8 | 1.5 | +0.1 | 3800 | 3200 | 8.0×10–6 | 79 | |||
| OCS-30X33 | 30 | 60 | 1 | 1.5 | +0.1 | 3500 | 4500 | 1.8×10–5 | 120 | |||
| OCS-34X35 | 34 | 68 | 1 | 1.5 | +0.1 | 3200 | 6000 | 3.1×10–5 | 180 | |||
| OCS-38X40 | 40 | 80 | 1 | 1.5 | +0.1 | 3000 | 7200 | 3.5×10–5 | 255 | |||
| OCS-44X46 | 50 | 100 | 1 | 1.5 | +0.1 | 2500 | 15000 | 1.1×10–4 | 365 | |||
| OCS-55X50 | 80 | 160 | 1 | 1.5 | +0.1 | 2000 | 29000 | 2.9×10–4 | 620 | |||
| OCS-70X57 | 160 | 320 | 1 | 1.5 | +0.1 | 2000 | 45000 | 8.8×10–4 | 1050 |
