NM Couplings ndi NBR Rubber Spider, Type 50, 67, 82, 97, 112, 128, 148, 168
| SIZE | Bore | D | OD | L | K | S | |
| Min. | Max. | ||||||
| 50 | 7 | 19 | 33 | 50 | 25 | 12.5 | 2.0±0.5 |
| 67 | 9 | 28 | 46 | 67 | 30 | 15.0 | 2.5±0.5 |
| 82 | 10 | 32 | 53 | 82 | 40 | 16.0 | 3.0±1.0 |
| 97 | 12 | 42 | 69 | 97 | 50 | 20.0 | 3.0±1.0 |
| 112 | 14 | 48 | 80 | 112 | 60 | 35.0 | 3.5±1.0 |
| 128 | 18 | 55 | 90 | 128 | 70 | 41.0 | 3.5±1.0 |
| 148 | 22 | 65 | 107 | 148 | 80 | 48.0 | 3.5±1.0 |
| 168 | 28 | 75 | 125 | 168 | 90 | 540 | 3.5±1.0 |
| SIZE | Torque | Kuthamanga kwa Max rpm | |
| Nomal (NM) | Zokwanira (NM) | ||
| 50 | 12.74 | 22.54 | 13500 |
| 67 | 21.56 | 39.20 | 10000 |
| 82 | 49.00 | 88.20 | 8000 |
| 97 | 102.90 | 186.20 | 7000 |
| 112 | 163.66 | 294.00 | 6000 |
| 128 | 261.66 | 470.40 | 5000 |
| 148 | 408.66 | 735.00 | 4500 |
| 168 | 681.10 | 1225.00 | 4000 |
Kulumikiza kwa NM kumakhala ndi ma hubs awiri ndi mphete yosinthika yomwe imatha kubweza mitundu yonse ya kusalongosoka kwa shaft. The flexiblemphete zopangidwa ndi mphira wa Nitile (NBR) zomwe zimakhala ndi mawonekedwe apamwamba kwambiri omwe amatha kuyamwa komanso imatsutsana ndi mafuta, dothi, mafuta, chinyezi, ozoni ndi zosungunulira zambiri za mankhwala.
