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 Tibet Makina 1794I-12R-300 slewing bearing. The replacement is reviewed against the available dimensional, mounting and product-interface data for this reference.
The Tibet Makina 1794I-12R-300 reference belongs to the Three-row roller · Internal gear Series and uses a three-row roller, internal gear slewing bearing configuration.
MERYDOM-manufactured slewing bearing certified for interchange with Tibet Makina 1794I-12R-300.
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 | 1794I-12R-300 |
| Certified interchangeable with | Tibet Makina 1794I-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 · Internal gear Series |
| Reference model | 1794I-12R-300 |
| System of measurement | Metric |
| Bearing structure | Three-row roller |
| Gear arrangement | Internal gear |
| Dimensions | |
| Mass (Kg) | 880 kg |
| Overall outside diameter (De) | 1,947 mm |
| Overall inside diameter (Di) | 1,552 mm |
| Overall height (H) | 132 mm |
| Outer ring height (He) | 123 mm |
| Inner ring height (Hi) | 106 mm |
| Mounting | |
| Outer ring bolt circle (Le) | 1,895 mm |
| Inner ring bolt circle (Li) | 1,695 mm |
| Outer ring mounting-hole count (ne) | 46 |
| Inner ring mounting-hole count (ni) | 46 |
| Outer ring mounting-hole specification (de) | 26 mm |
| Inner ring mounting-hole specification (di) | 26 mm |
| Gear | |
| Gear module (m) | 16 mm |
| Gear tooth count (z) | 98 |
| Addendum modification product x*m (xm) | -8 mm |
| Ratings | |
| Normal tooth force (Ft_normal) | 163 kN |
| Maximum tooth force (Ft_max) | 326 kN |
| Miscellaneous | |
| Raceway Pitch Diameter (DL) | 1,794 mm |
| Lubrication Zerk Count (G) | 15 |
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 1794I-12R-300.