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.
Product Specifications
| Dimensions | RM12 | RM16 | rM25 | RM30 | RM35 | RM40 | RM45 | RM50 |
|---|---|---|---|---|---|---|---|---|
| TF Bush Size: F & H Flanges | 1210* | 1615* | 2517 | 3030 | 3535 | 4040 | 4545 | 5050 |
| Maximum Bore: F & H Flanges | 32 | 42 | 65 | 75 | 90 | 100 | 110 | 125 |
| D – Outside Diameter | 118 | 127 | 178 | 216 | 248 | 298 | 330 | 362 |
| H – Hub Diameter | 83 | 80 | 123 | 146 | 178 | 210 | 230 | 266 |
| L – Assembled Length | 57 | 83 | 97 | 159 | 185 | 210 | 235 | 260 |
| M – Gap | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| N – Outer Length | 35 | 43 | 51 | 65 | 75 | 76 | 86 | 92 |
| W – Wrench Clearance (H Flange only) | 38 | 38 | 48 | 64 | 67 | 79 | 86 | 92 |
| Total Weight (kg) | 3.5 | 4.5 | 11 | 23 | 38 | 64 | 88 | 155 |
Ordering instructions
- Couplings are supplied as complete assemblies in either HF or FF Configuration (e.g a RM25 configured as a HF is specified RM25HF)
- Couplings require Bushes which must be ordered as separate items (specifying bush size and the required bores).