Certified interchangeability
- Matching model designation and installation envelope
- Reviewed mounting-hole and bolt-circle interfaces
- Gear arrangement matched to the referenced configuration
IMO 12-20 0741/1-02243 Slewing Bearing Replacement
Level 3 VerifiedMERYDOM manufactures an engineering-verified replacement for the IMO 12-20 0741/1-02243 slewing bearing. The replacement is reviewed against the available dimensional, mounting and product-interface data for this reference.
The IMO 12-20 0741/1-02243 reference belongs to the 120 Series and uses a four-point contact ball, internal gear slewing bearing configuration.
MERYDOM BRAND · CERTIFIED REPLACEMENTCertified product dataView complete specifications ↓ Factory assurance
12-20 0741/1-02243
MERYDOM-manufactured slewing bearing certified for interchange with IMO 12-20 0741/1-02243.
- Overall OD (Do)
- 816 mm
- Overall ID (di)
- 648 mm
- Overall height
- 56 mm
- Gear arrangement
- Internal gear
- Mounting holes
- 40 / 40 outer / inner
- Bearing design
- Four-point contact ball
MERYDOM VerifiedLevel 3 · Engineering verification record
- Certified dimensional interchange
- MERYDOM controlled materials
- Factory documentation available
PRODUCT DIMENSIONS
View complete specifications ↓Published dimensions and interfaces
Every available catalog dimension, mounting interface and gear value is shown here in the original published unit.
Dimensions
- Overall outside diameter (Da)
- 816 mm
- Overall inside diameter (di)
- 648 mm
- Overall height (H)
- 56 mm
- Outside centring diameter (Daz)
- 814.5-0.14 mm
- Outer ring inner diameter (Di)
- 745.5 mm
- Inner ring outer diameter (daz)
- 741-0.13 mm
- Assembly weight (G)
- 57 kg
- Catalogue outer ring height
- 44 mm
- Catalogue inner ring height
- 44 mm
Mounting
- Outer ring bolt circle (La)
- 790 mm
- Outer ring mounting-hole count (na)
- 40
- Inner ring bolt circle (Li)
- 705 mm
- Inner ring mounting-hole count (ni)
- 40
- Outer ring mounting-hole diameter (Øa)
- 14 mm
- Inner ring mounting-hole specification (Mi)
- M12
Gear
- Gear pitch diameter (d)
- 660 mm
- Gear module (m)
- 6 mm
- Gear tooth count (z)
- 110
MERYDOM CERTIFIED SPECIFICATION
MERYDOM Factory Verified · Controlled recordIMO 12-20 0741/1-02243 Slewing Bearing Specifications
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 | 12-20 0741/1-02243 |
| Certified interchangeable with | IMO 12-20 0741/1-02243 |
| 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 | 120 Series |
| Reference model | 12-20 0741/1-02243 |
| System of measurement | Metric |
| Bearing structure | Four-point contact ball |
| Gear arrangement | Internal gear |
| Dimensions | |
| Overall outside diameter (Da) | 816 mm |
| Overall inside diameter (di) | 648 mm |
| Overall height (H) | 56 mm |
| Outside centring diameter (Daz) | 814.5-0.14 mm |
| Outer ring inner diameter (Di) | 745.5 mm |
| Inner ring outer diameter (daz) | 741-0.13 mm |
| Assembly weight (G) | 57 kg |
| Catalogue outer ring height | 44 mm |
| Catalogue inner ring height | 44 mm |
| Mounting | |
| Outer ring bolt circle (La) | 790 mm |
| Outer ring mounting-hole count (na) | 40 |
| Inner ring bolt circle (Li) | 705 mm |
| Inner ring mounting-hole count (ni) | 40 |
| Outer ring mounting-hole diameter (Øa) | 14 mm |
| Inner ring mounting-hole specification (Mi) | M12 |
| Gear | |
| Gear pitch diameter (d) | 660 mm |
| Gear module (m) | 6 mm |
| Gear tooth count (z) | 110 |
| Ratings | |
| Permitted circumferential force, normal (fz_norm) | 17.5 kN |
| Permitted circumferential force, maximum (fz_max) | 32.9 kN |
| Static radial load rating (Co_rad) | 457 kN |
| Static axial load rating (Co_ax) | 1,068 kN |
| Dynamic radial load rating (C_rad) | 194 kN |
| Dynamic axial load rating (C_ax) | 195 kN |
| Miscellaneous | |
| Catalogue grease point count | 4 |
| Catalogue grease point ring | outer |
| Catalogue grease interface specification | Taper type grease nipples on circumference |
Level 3 · MERYDOM Engineering VerifiedReviewed by MERYDOM Engineering Department. Evidence date and drawing revision are not published.
IMO 12-20 0741/1-02243 — Load capacity curve
IMO 12-20 0741/1-02243 — Load capacity curve
IMO 12-20 0741/1-02243 — Load capacity curve · Compressive loads · Catalogue reference. Follow the technical information in the source catalogue.
Engineering selection note
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.
MERYDOM ENGINEERING
MERYDOM Replacement for IMO 12-20 0741/1-02243
This MERYDOM bearing has been reviewed against the published model envelope, mounting interfaces, gear configuration and declared material specification for replacement use.
MERYDOM construction
- Configurable 42CrMo or 50Mn ring material options
- NBR nitrile-rubber sealing system
- Configurable engineering nylon or brass spacer options
Factory documentation
- Engineering verification by MERYDOM Engineering Department
- Verification evidence is maintained in the controlled internal record
- Drawing revision and final documentation package are confirmed with the quotation
Application confirmation
- Confirm support flatness, bolt grade and preload
- Verify applied loads, duty cycle and lubrication
- Confirm temperature, environment and installation conditions
LEGAL & ENGINEERING NOTICE
Independent replacement certification
- MERYDOM is the manufacturer and certifying party for the MERYDOM product displayed on this page.
- Third-party brand names and model numbers remain the property of their respective owners and are used only to identify the intended interchange reference.
- MERYDOM is an independent manufacturer and is not affiliated with, endorsed by or sponsored by the referenced OEM.
- The interchangeability statement applies to the matching model designation and the published verification scope; application suitability still depends on loads, duty cycle, installation, lubrication and operating environment.
- The approved quotation, manufacturing drawing and contract technical agreement control the final supplied product.
MERYDOM REPLACEMENT SUPPORT
Request price & deliveryReady for price, delivery and application confirmation?
Send the required quantity and operating conditions. MERYDOM will confirm the supply configuration, documentation package and delivery schedule for model 12-20 0741/1-02243.