Certified interchangeability
- Matching model designation and installation envelope
- Reviewed mounting-hole and bolt-circle interfaces
- Gear arrangement matched to the referenced configuration
Tibet Makina 1254R-12R-300 Slewing Bearing Replacement
Level 3 VerifiedMERYDOM manufactures an engineering-verified replacement for the Tibet Makina 1254R-12R-300 slewing bearing. The replacement is reviewed against the available dimensional, mounting and product-interface data for this reference.
The Tibet Makina 1254R-12R-300 reference belongs to the Three-row roller · Ungeared Series and uses a three-row roller, ungeared slewing bearing configuration.
MERYDOM BRAND · CERTIFIED REPLACEMENTCertified product dataView complete specifications ↓ Factory assurance
1254R-12R-300
MERYDOM VerifiedLevel 3 · Engineering verification recordMERYDOM-manufactured slewing bearing certified for interchange with Tibet Makina 1254R-12R-300.
- Overall OD (Do)
- 1407 mm
- Overall ID (di)
- 1103 mm
- Overall height
- 132 mm
- Gear arrangement
- Ungeared
- Mounting holes
- 36 / 36 outer / inner
- Bearing design
- Three-row roller
- 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
- Mass (Kg)
- 490 kg
- Overall outside diameter (De)
- 1,407 mm
- Overall inside diameter (Di)
- 1,103 mm
- Overall height (H)
- 132 mm
- Outer ring height (He)
- 106 mm
- Inner ring height (Hi)
- 123 mm
Mounting
- Outer ring bolt circle (Le)
- 1,355 mm
- Inner ring bolt circle (Li)
- 1,155 mm
- Outer ring mounting-hole count (ne)
- 36
- Inner ring mounting-hole count (ni)
- 36
- Outer ring mounting-hole specification (de)
- 26 mm
- Inner ring mounting-hole specification (di)
- 26 mm
MERYDOM CERTIFIED SPECIFICATION
MERYDOM Factory Verified · Controlled recordTibet Makina 1254R-12R-300 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 | 1254R-12R-300 |
| Certified interchangeable with | Tibet Makina 1254R-12R-300 |
| 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 | Tibet Makina |
| Series | Three-row roller · Ungeared Series |
| Reference model | 1254R-12R-300 |
| System of measurement | Metric |
| Bearing structure | Three-row roller |
| Gear arrangement | Ungeared |
| Dimensions | |
| Mass (Kg) | 490 kg |
| Overall outside diameter (De) | 1,407 mm |
| Overall inside diameter (Di) | 1,103 mm |
| Overall height (H) | 132 mm |
| Outer ring height (He) | 106 mm |
| Inner ring height (Hi) | 123 mm |
| Mounting | |
| Outer ring bolt circle (Le) | 1,355 mm |
| Inner ring bolt circle (Li) | 1,155 mm |
| Outer ring mounting-hole count (ne) | 36 |
| Inner ring mounting-hole count (ni) | 36 |
| Outer ring mounting-hole specification (de) | 26 mm |
| Inner ring mounting-hole specification (di) | 26 mm |
| Miscellaneous | |
| Raceway Pitch Diameter (DL) | 1,254 mm |
| Lubrication Zerk Count (G) | 9 |
Level 3 · MERYDOM Engineering VerifiedReviewed by MERYDOM Engineering Department. Evidence date and drawing revision are not published.
SERIES LOAD CAPACITY
Three-row roller · Ungeared Series load chart
Use the model designation in the catalog legend as an initial moment-and-thrust capacity reference.
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 Tibet Makina 1254R-12R-300
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 1254R-12R-300.