RM Rigid Coupling
RM Rigid Couplings are used to connect two shafts in a rigid manner, without any allowance for misalignment or flexibility. Rigid couplings are often used to facilitate ease-of-maintenance or simple to aid machine assembly. Taper Fit Bushes provide a secure fit on the driving and driven shafts, ensuring installation and removal is simple.
Selection Procedure
- Select a size of RM Rigid Coupling to fit the larger of the driving or driven shafts.
- For severe applications, select the next size up RM Rigid Coupling.
Specifications
| Part No. | Max Bore | Max Torque (Nm) | Normal Maximum Speed (RPM) |
|---|---|---|---|
| RM12 | 32.0 | 130 | 4000 |
| RM16 | 42.0 | 220 | 4000 |
| RM25 | 60.0 | 220 | 3800 |
| RM30 | 75.0 | 1000 | 3150 |
| RM35 | 90.0 | 1400 | 2800 |
| RM40 | 100.0 | 2700 | 2250 |
| RM45 | 110.0 | 3200 | 2100 |
| RM50 | 1250 | 4000 | 2000 |
| Coupling | Bush | Max. Bore Metric | Max. Bore Inch | A | C | D | E | F nom | G nom | H+ | J* | L | Kg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RM12 | 1210 | 32 | 1 1/4 | 118 | 35 | 83 | 26 | 76 | 102 | 7 | 38 | 57 | 3.5 |
| RM16 | 1615 | 42 | 1 5/8 | 127 | 43 | 80 | 38 | 89 | 105 | 7 | 38 | 83 | 4.5 |
| RM25 | 2517 | 65 | 2 1/2 | 178 | 51 | 123 | 45 | 127 | 149 | 7 | 48 | 97 | 11 |
| RM30 | 3030 | 75 | 3 | 216 | 65 | 146 | 76 | 152 | 181 | 7 | 54 | 169 | 23 |
| RM35 | 3535 | 90 | 3 1/2 | 248 | 75 | 147 | 89 | 178 | 213 | 7 | 67 | 185 | 38 |
| RM40 | 4040 | 100 | 4 | 298 | 76 | 210 | 102 | 216 | 257 | 7 | 79 | 210 | 64 |
| RM45 | 4545 | 110 | 4 1/2 | 330 | 86 | 230 | 114 | 241 | 286 | 7 | 89 | 235 | 88 |
| RM50 | 5050 | 125 | 5 | 362 | 92 | 266 | 127 | 267 | 314 | 7 | 92 | 260 | 155 |
Resources
Transdrive RM Rigid Couplings Catalogue
PDF, 208KB