Chain coupling pitch 1/2 x 5/16″ 18 teeth nominal torque 240Nm vs Spider (coupling insert) backlash-free 98 Shore A red size 55 outside diameter 120mm
Chain coupling pitch 1/2 x 5/16″ 18 teeth nominal torque 240Nm and Spider (coupling insert) backlash-free 98 Shore A red size 55 outside diameter 120mm are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Spider (coupling insert) backlash-free 98 Shore A red size 55 outside diameter 120mm is €6.43 cheaper ($40.51).
| Criterion |  Chain coupling pitch 1/2 x 5/16″ 18 teeth nominal torque 240Nm |  Spider (coupling insert) backlash-free 98 Shore A red size 55 outside diameter 120mm |
|---|---|---|
| Price | $47.93 | $40.51cheapest |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | In stock |
| Rating | — | — |
| Torque | 2 447,3 kg·cm | — |
| Weight | 1.83 kg | 115 g |
| Coupling type | Elastic. angular/transv./long flexible | — |
| Din iso no | 08 B-2 | — |
| Electrically insulating | No | — |
| Hub diameter | 60 mm | — |
| Length of each sprocket | 32 mm | — |
| Material | Steel | Polyurethane (medium hard) |
| Max misalignment angle | 0.5 ° | — |
| Max misalignment axial | 0.2 mm | — |
| Max misalignment radial | 0.2 mm | — |
| Max outer diameter | 86 mm | — |
| Max speed | 5500 min-1 | — |
| Max torque | 240 Nm | 1 370 Nm |
| Min bore diameter | 15 mm | — |
| Moment of inertia | 0.00474 kgm2 | — |
| Mounting distance over tooth flanks | 20.7 mm | — |
| No of teeth | — | 8 |
| Nominal torque | — | 685 Nm |
| Outer diameter | — | 120 mm |
| Power speed max. | 0.0246 kW/min -1 | — |
| Size | — | 55 |
| Stainless | No | — |
| Stiffn radial | — | 6 686 N/mm |
| Surface | Blank | Blank |
| Temperature max. | 220 °C | — |
| Temperature min. | -30 °C | — |
| Tors spring stiffness dynam | — | 59 500 Nm/rad |
| Tors spring stiffness static | — | 23 800 Nm/rad |
| Total length | 71 mm | — |
| With keyway | 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.
Robotitem does not test products. This comparison reports seller-published data only, and ranking never takes affiliate commission into account.