Certified interchangeability
- Matching model designation and installation envelope
- Reviewed mounting-hole and bolt-circle interfaces
- Gear arrangement matched to the referenced configuration
MERYDOM manufactures an engineering-verified replacement for the IMO 31-40 4000/2-07450 slewing bearing. The replacement is reviewed against the available dimensional, mounting and product-interface data for this reference.
The IMO 31-40 4000/2-07450 reference belongs to the 340 Series and uses a three-row roller, external gear slewing bearing configuration.
MERYDOM-manufactured slewing bearing certified for interchange with IMO 31-40 4000/2-07450.
Every available catalog dimension, mounting interface and gear value is shown here in the original published unit.
MERYDOM product identity, certification, materials and dimensional data for the certified replacement.
| Technical parameter | MERYDOM certified product value |
|---|---|
| MERYDOM Certified Product | |
| Product brand | MERYDOM |
| MERYDOM model | 31-40 4000/2-07450 |
| Certified interchangeable with | IMO 31-40 4000/2-07450 |
| Factory verification | Level 3 · Engineering Verified |
| Reviewed by | MERYDOM Engineering Department |
| Verification metadata | Controlled internal record; date and drawing revision are not published. |
| Materials | |
| Configurable ring material options | 42CrMo / 50Mn |
| Seal material | NBR · Nitrile rubber |
| Configurable spacer material options | Engineering nylon / Brass |
| Identification | |
| Reference brand | IMO |
| Series | 340 Series |
| Reference model | 31-40 4000/2-07450 |
| System of measurement | Metric |
| Bearing structure | Three-row roller |
| Gear arrangement | External gear |
| Dimensions | |
| Overall outside diameter (Da) | 4,363.2 mm |
| Overall inside diameter (di) | 3,762 mm |
| Assembly weight (G) | 4,805 kg |
| Mounting | |
| Outer ring bolt circle (La) | 4,165 mm |
| Inner ring bolt circle (Li) | 3,840 mm |
| Outer ring mounting-hole count (na) | 72 |
| Gear | |
| Gear pitch diameter (d) | 4,296 mm |
| Gear module (m) | 24 mm |
| Gear tooth count (z) | 179 |
| Addendum modification coefficient (x) | 0.5 |
| Ratings | |
| Permitted circumferential force, normal (fz_norm) | 380 kN |
| Permitted circumferential force, maximum (fz_max) | 685 kN |
| Static radial load rating (Co_rad) | 3,360 kN |
| Static axial load rating, tension (Co_ax_T) | 39,961 kN |
| Static axial load rating, compression (Co_ax_H) | 21,696 kN |
| Dynamic radial load rating (C_rad) | 1,348 kN |
| Dynamic axial load rating, tension (C_ax_T) | 6,658 kN |
| Dynamic axial load rating, compression (C_ax_H) | 4,945 kN |
Use the model designation in the catalog legend as an initial moment-and-thrust capacity reference.
This catalog chart is a preliminary selection aid. Final MERYDOM application approval must also consider mounting rigidity, bolt capacity, duty cycle, lubrication and operating conditions.
This MERYDOM bearing has been reviewed against the published model envelope, mounting interfaces, gear configuration and declared material specification for replacement use.
Send the required quantity and operating conditions. MERYDOM will confirm the supply configuration, documentation package and delivery schedule for model 31-40 4000/2-07450.