Clamp coupling (boc coupling) DIN 115 both sides bore 50mm with keyway material cast iron vs Membrane coupling MEM with clamping hub bore both sides 20mm max. torque 30Nm
Clamp coupling (boc coupling) DIN 115 both sides bore 50mm with keyway material cast iron and Membrane coupling MEM with clamping hub bore both sides 20mm max. torque 30Nm are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Clamp coupling (boc coupling) DIN 115 both sides bore 50mm with keyway material cast iron is €172.99 cheaper ($249.50).
| Criterion |  Clamp coupling (boc coupling) DIN 115 both sides bore 50mm with keyway material cast iron |  Membrane coupling MEM with clamping hub bore both sides 20mm max. torque 30Nm |
|---|---|---|
| Price | $249.50cheapest | $449.17 |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | Backorder |
| Rating | — | — |
| Torque | — | 305.91 kg·cm |
| Weight | 9 kg | 247 g |
| Bore diameter | 50 mm | 20 mm |
| Coupling type | Rigid two-piece stlye | Torsionally stiff. angular/transv./long flexible |
| Electrically insulating | No | No |
| Material | Grey cast iron (A48) | Aluminum / Stainless steel |
| Max misalignment angle | 0 ° | — |
| Max misalignment angular | — | 2 |
| Max misalignment axial | 0 mm | 0.2 mm |
| Max misalignment radial | 0 mm | 0.4 ±mm |
| Max speed | 1300 min-1 | 5 U/min |
| Max torque | 150 Nm | 30 Nm |
| Number of allen bolts din 931 | 6 | — |
| Outer diameter | 130 mm | 52 mm |
| Stainless | No | Yes |
| Surface | Blank | Anodised |
| Temperature max. | 150 °C | 120 °C |
| Temperature min. | -40 °C | -40 °C |
| Torsional stiffness | — | 4 800 Nm/rad |
| Total length | 190 mm | 78.1 mm |
| With keyway | Yes | 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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