Chain coupling pitch 1/2 x 5/16″ 18 teeth nominal torque 240Nm vs Steel bellow coupling MBL long version MDmax 3.8Nm both sides bore 8mm overall length 57mm hub diameter 31.0mm
Chain coupling pitch 1/2 x 5/16″ 18 teeth nominal torque 240Nm and Steel bellow coupling MBL long version MDmax 3.8Nm both sides bore 8mm overall length 57mm hub diameter 31.0mm are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Chain coupling pitch 1/2 x 5/16″ 18 teeth nominal torque 240Nm is €28.73 cheaper ($47.93).
| Criterion |  Chain coupling pitch 1/2 x 5/16″ 18 teeth nominal torque 240Nm |  Steel bellow coupling MBL long version MDmax 3.8Nm both sides bore 8mm overall length 57mm hub diameter 31.0mm |
|---|---|---|
| Price | $47.93cheapest | $81.09 |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | In stock |
| Rating | — | — |
| Torque | 2 447,3 kg·cm | 38.749 kg·cm |
| Weight | 1.83 kg | 63 g |
| Bore diameter | — | 8 mm |
| Coupling type | Elastic. angular/transv./long flexible | Torsionally stiff. angular/transv./long flexible |
| Din iso no | 08 B-2 | — |
| Electrically insulating | No | No |
| Hub diameter | 60 mm | — |
| Length of each sprocket | 32 mm | — |
| Material | Steel | Aluminum / Stainless steel |
| Max bore depth | — | 14 mm |
| Max bore diameter | — | 16 mm |
| Max misalignment angle | 0.5 ° | — |
| Max misalignment angular | — | 8 |
| Max misalignment axial | 0.2 mm | 1.9 mm |
| Max misalignment radial | 0.2 mm | 1.0 ±mm |
| Max outer diameter | 86 mm | — |
| Max speed | 5500 min-1 | — |
| Max torque | 240 Nm | 3.8 Nm |
| Min bore diameter | 15 mm | — |
| Moment of inertia | 0.00474 kgm2 | — |
| Mounting distance over tooth flanks | 20.7 mm | — |
| Outer diameter | — | 34 mm |
| Power speed max. | 0.0246 kW/min -1 | — |
| Recommended max speed | — | 5000 min-1 |
| Stainless | No | Yes |
| Surface | Blank | Blank |
| Temperature max. | 220 °C | 120 °C |
| Temperature min. | -30 °C | -40 °C |
| Torsional stiffness | — | 915 Nm/rad |
| Total length | 71 mm | 57 mm |
| With keyway | No | No |
| View at seller ↗ | View at seller ↗ |
Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.
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