Chain coupling pitch 1/2 x 5/16″ 18 teeth nominal torque 240Nm vs Torsionally-stiff coupling HU bore 8mm max. torque 3.5 Nm outside diameter 41.4mm
Chain coupling pitch 1/2 x 5/16″ 18 teeth nominal torque 240Nm and Torsionally-stiff coupling HU bore 8mm max. torque 3.5 Nm outside diameter 41.4mm 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 €6.06 cheaper ($47.93).
| Criterion |  Chain coupling pitch 1/2 x 5/16″ 18 teeth nominal torque 240Nm |  Torsionally-stiff coupling HU bore 8mm max. torque 3.5 Nm outside diameter 41.4mm |
|---|---|---|
| Price | $47.93cheapest | $54.92 |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | In stock |
| Rating | — | — |
| Torque | 2 447,3 kg·cm | 35.689 kg·cm |
| Weight | 1.83 kg | 30 g |
| Bore diameter | — | 8 mm |
| Coupling type | Elastic. angular/transv./long flexible | Torsionally stiff. angular flexibility |
| Din iso no | 08 B-2 | — |
| Electrically insulating | No | Yes |
| Hub diameter | 60 mm | — |
| Length of each sprocket | 32 mm | — |
| Material | Steel | Plastic / Aluminum |
| Max misalignment angle | 0.5 ° | — |
| Max misalignment angular at 3000 min 1 | — | 2 ° |
| Max misalignment axial | 0.2 mm | 0 mm |
| Max misalignment radial | 0.2 mm | — |
| Max misalignment radial at 3000 min 1 | — | 0.25 mm |
| Max outer diameter | 86 mm | — |
| Max speed | 5500 min-1 | 3 U/min |
| Max torque | 240 Nm | 3.5 Nm |
| Min bore diameter | 15 mm | — |
| Moment of inertia | 0.00474 kgm2 | — |
| Mounting distance over tooth flanks | 20.7 mm | — |
| Outer diameter d1 mm | — | 41.4 mm |
| Power speed max. | 0.0246 kW/min -1 | — |
| Stainless | No | Yes |
| Stat breaking torque | — | 10.5 Nm |
| Surface | Blank | Iridite NCP finish |
| Temperature max. | 220 °C | 60 °C |
| Temperature min. | -30 °C | -20 °C |
| Torsional stiffness | — | 299 Nm/rad |
| Total length | 71 mm | 28.4 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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