Oldham Couplings
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By allowing sliding between the hub and spacer, they accommodate significant eccentricity and angular misalignment.
They are easy to assemble from a disassembled state and can be smoothly installed in equipment. Even with shaft misalignment, eccentric reactive force is suppressed, ensuring stable power transmission.
Recommended by NBK：MOC
View problem solution examples
Couplings that support minimal outgassing and large eccentricity are required 【High sanitation / corrosion-resistant / clean】
Coupling maintenance frequency must be drastically reduced 【Workability / maintenance】
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| Part Name | Flexible Couplings - Oldham Type - Set Screw Type | Flexible Couplings - Oldham Type - Clamping Type | Flexible Couplings - Oldham Type - Set Screw Type | Flexible Couplings - Oldham Type - Clamping Type | Flexible Couplings - Oldham Type - Set Screw Type | Flexible Couplings - Oldham Type - Clamping Type | Flexible Couplings - Oldham Type - Set Screw + Key Type | Flexible Couplings - Oldham Type - Clamping + Key Type | Flexible Couplings - Oldham Type - Set Screw Type |
| Part Number | MOC | MOC-C | MOT | MOT-C | MOM | MOM-C | MOM-K | MOM-CK | MOL |
| Feature | High Allowable Misalignment High Torque |
High Allowable Misalignment High Torque |
High Allowable Misalignment High Torque |
High Allowable Misalignment High Torque |
High Torsional Stiffness High Torque |
High Torsional Stiffness High Torque |
High Torsional Stiffness High Torque |
High Torsional Stiffness High Torque |
High Allowable Misalignment Small Eccentric Reaction Force |
| Price | From 27.57 USD | From 36.79 USD | From 135.81 USD | From 162.90 USD | From 42.74 USD | From 60.96 USD | From 74.33 USD | From 85.90 USD | From 28.09 USD |
| Size | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Hub Material | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy | Steel | Steel | Steel | Steel | Aluminum Alloy |
| Shaft Fastening Method | Set Screw | Clamping | Set Screw | Clamping | Set Screw | Clamping | Set Screw + Key | Clamping + Key | Set Screw |
| Diameter | φ12 ～ φ38 | φ12 ～ φ38 | φ51 ～ φ73.5 | φ51 ～ φ73.5 | φ12 ～ φ70 | φ15 ～ φ70 | φ15 ～ φ70 | φ15 ～ φ70 | φ16 ～ φ63 |
| Torque | 1.2N・m ～ 30N・m | 1.2N・m ～ 30N・m | 30N・m ～ 80N・m | 30N・m ～ 80N・m | 2.7N・m ～ 176N・m | 3.3N・m ～ 176N・m | 3.3N・m ～ 176N・m | 3.3N・m ～ 176N・m | 0.7N・m ～ 36N・m |
| CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
| List | MOC-12 MOC-17 MOC-23 MOC-28 MOC-33 MOC-41 | MOC-12C MOC-17C MOC-23C MOC-28C MOC-33C MOC-41C | MOT-55 MOT-63 MOT-75 | MOT-55C MOT-63C MOT-75C | MOM-12 MOM-15 MOM-17 MOM-20 MOM-26 MOM-30 MOM-34 MOM-38 MOM-45 MOM-55 MOM-70 | MOM-15C MOM-17C MOM-20C MOM-26C MOM-30C MOM-34C MOM-38C MOM-45C MOM-55C MOM-70C | MOM-15K MOM-17K MOM-20K MOM-26K MOM-30K MOM-34K MOM-38K MOM-45K MOM-55K MOM-70K | MOM-15CK MOM-17CK MOM-20CK MOM-26CK MOM-30CK MOM-34CK MOM-38CK MOM-45CK MOM-55CK MOM-70CK | MOL-16 MOL-20 MOL-25 MOL-32 MOL-40 MOL-50 MOL-63 |
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| Part Name | Flexible Couplings - Oldham Type - Clamping Type | Flexible Couplings - Oldham Type - Set Screw Type | Flexible Couplings - Oldham Type - Clamping Type | Cleanroom / Vacuum / Heat Resistant Couplings - Oldham Type (VESPEL) - Clamping Type | Cleanroom / Vacuum / Heat Resistant Couplings - Oldham Type (PEEK) - Clamping Type | Flexible Coupling - Oldham Type - Set Screw Type | Flexible Couplings - Oldham Type - Clamping Type | Flexible Coupling - Oldham Type - Set Screw + Key Type | Flexible Coupling - Oldham - type - Clamping + Key type |
| Part Number | MOL-C | MOS | MOS-C | MOHS-C | MOP-C | MOR | MOR-C | MOR-K | MOR-CK |
| Feature | High Allowable Misalignment Small Eccentric Reaction Force |
High Allowable Misalignment Small Eccentric Reaction Force |
High Allowable Misalignment Small Eccentric Reaction Force |
Heat Resistance Clean |
Low Outgas Clean |
High Allowable Misalignment High Torque |
High Allowable Misalignment High Torque |
High Allowable Misalignment High Torque |
High Allowable Misalignment High Torque |
| Price | From 43.81 USD | From 65.16 USD | From 40.94 USD | From 463.09 USD | From 128.80 USD | From 21.22 USD | From 35.84 USD | From 52.60 USD | From 61.86 USD |
| Size | Standard | Short | Short | Standard | Standard | Standard | Standard | Standard | Standard |
| Hub Material | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy | Stainless Steel | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy |
| Shaft Fastening Method | Clamping | Set Screw | Clamping | Clamping | Clamping | Set Screw | Clamping | Set Screw + Key | Clamping + Key |
| Diameter | φ16 ～ φ63 | φ8 | φ12 ～ φ32 | φ19 ～ φ31.7 | φ20 ～ φ32 | φ6 ～ φ68 | φ12 ～ φ68 | φ15 ～ φ68 | φ15 ～ φ68 |
| Torque | 0.7N・m ～ 36N・m | 0.08N・m | 0.2N・m ～ 2.8N・m | 0.4N・m ～ 2.2N・m | 0.7N・m ～ 2.8N・m | 0.2N・m ～ 80N・m | 1N・m ～ 80N・m | 1.6N・m ～ 80N・m | 1.6N・m ～ 80N・m |
| CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
| List | MOL-16C MOL-20C MOL-25C MOL-32C MOL-40C MOL-50C MOL-63C | MOS-8 | MOS-12C MOS-16C MOS-20C MOS-25C MOS-32C | MOHS-19C MOHS-26C MOHS-32C | MOP-20C MOP-25C MOP-32C | MOR-10 MOR-12 MOR-15 MOR-17 MOR-20 MOR-26 MOR-30 MOR-34 MOR-38 MOR-45 MOR-55 MOR-6 MOR-68 MOR-8 | MOR-12C MOR-15C MOR-17C MOR-20C MOR-26C MOR-30C MOR-34C MOR-38C MOR-45C MOR-55C MOR-68C | MOR-15K MOR-17K MOR-20K MOR-26K MOR-30K MOR-34K MOR-38K MOR-45K MOR-55K MOR-68K | MOR-15CK MOR-17CK MOR-20CK MOR-26CK MOR-30CK MOR-34CK MOR-38CK MOR-45CK MOR-55CK MOR-68CK |
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