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 51-40 4500/2-06925 slewing bearing. The replacement is reviewed against the available dimensional, mounting and product-interface data for this reference.
The IMO 51-40 4500/2-06925 reference belongs to the 540 Series and uses a roller / ball combination, external gear slewing bearing configuration.
MERYDOM-manufactured slewing bearing certified for interchange with IMO 51-40 4500/2-06925.
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 | 51-40 4500/2-06925 |
| Certified interchangeable with | IMO 51-40 4500/2-06925 |
| 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 | 540 Series |
| Reference model | 51-40 4500/2-06925 |
| System of measurement | Metric |
| Bearing structure | Roller / ball combination |
| Gear arrangement | External gear |
| Dimensions | |
| Overall outside diameter (Da) | 4,776 mm |
| Overall inside diameter (di) | 4,276 mm |
| Assembly weight (G) | 3,673 kg |
| Mounting | |
| Outer ring bolt circle (La) | 4,612 mm |
| Inner ring bolt circle (Li) | 4,348 mm |
| Outer ring mounting-hole count (na) | 72 |
| Gear | |
| Gear pitch diameter (d) | 4,720 mm |
| Gear module (m) | 20 mm |
| Gear tooth count (z) | 236 |
| Addendum modification coefficient (x) | 0.5 |
| Ratings | |
| Permitted circumferential force, normal (fz_norm) | 253 kN |
| Permitted circumferential force, maximum (fz_max) | 450 kN |
| Static radial load rating (Co_rad) | 1,486 kN |
| Static axial load rating, tension (Co_ax_T) | 47,360 kN |
| Static axial load rating, compression (Co_ax_H) | 7,955 kN |
| Dynamic radial load rating (C_rad) | 451 kN |
| Dynamic axial load rating, tension (C_ax_T) | 7,649 kN |
| Dynamic axial load rating, compression (C_ax_H) | 858 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 51-40 4500/2-06925.