Certified interchangeability
- Matching model designation and installation envelope
- Reviewed mounting-hole and bolt-circle interfaces
- Gear arrangement matched to the referenced configuration
Factory-certified by MERYDOM to interchange with IMO 12-25 1355/1-03260. The MERYDOM product uses the same model designation for direct cross-reference.
MERYDOM-manufactured slewing bearing certified for interchange with IMO 12-25 1355/1-03260.
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 | 12-25 1355/1-03260 |
| Certified interchangeable with | IMO 12-25 1355/1-03260 |
| Factory verification | Level 3 · Engineering Verified |
| Approved drawing revision | Rev 1.0 |
| Reviewed by | MERYDOM Engineering Department |
| Certification date | 2026-08-16 |
| Materials | |
| Ring material options | 42CrMo / 50Mn |
| Seal material | NBR · Nitrile rubber |
| Spacer material options | Engineering nylon / Brass |
| Identification | |
| Reference brand | IMO |
| Series | 125 Series |
| Reference model | 12-25 1355/1-03260 |
| System of measurement | Metric |
| Bearing structure | Four-point contact ball |
| Gear arrangement | Internal gear |
| Dimensions | |
| Overall outside diameter (Da) | 1455 mm1,455 mm |
| Overall inside diameter (di) | 1210 mm1,210 mm |
| Mounting | |
| Outer ring bolt circle (La) | 212 mm |
| Outer ring mounting-hole count (na) | 14151,415 |
| Common mounting-hole diameter (B) | 42 mm |
| Inner ring bolt circle (Li) | 1294 mm1,294 mm |
| Inner ring mounting-hole count (ni) | 42 |
| Gear | |
| Gear pitch diameter (d) | 1230 mm1,230 mm |
| Gear module (m) | 10 mm |
| Gear tooth count (z) | 123 |
| Ratings | |
| Permitted circumferential force, normal (fz_norm) | 47 kN |
| Permitted circumferential force, maximum (fz_max) | 86 kN |
| Static radial load rating (Co_rad) | 1350 kN1,350 kN |
| Static axial load rating (Co_ax) | 3613 kN3,613 kN |
| Dynamic radial load rating (C_rad) | 374 kN |
| Dynamic axial load rating (C_ax) | 435 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 12-25 1355/1-03260.