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 0644E-12B-102 slewing bearing. The replacement is reviewed against the available dimensional, mounting and product-interface data for this reference.
The Tibet Makina 0644E-12B-102 reference belongs to the L · External gear Series and uses a single row ball profile, external gear slewing bearing configuration.
MERYDOM-manufactured slewing bearing certified for interchange with Tibet Makina 0644E-12B-102.
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 | 0644E-12B-102 |
| Certified interchangeable with | Tibet Makina 0644E-12B-102 |
| 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 | L · External gear Series |
| Reference model | 0644E-12B-102 |
| System of measurement | Metric |
| Bearing structure | Single Row Ball Profile |
| Gear arrangement | External gear |
| Dimensions | |
| Mass (Kg) | 48 kg |
| Overall outside diameter (De) | 744 mm |
| Overall inside diameter (Di) | 534 mm |
| Tibet catalogue dimension C (C) | 605 mm |
| Overall height (H) | 56 mm |
| Outer ring height (He) | 46 mm |
| Inner ring height (Hi) | 46 mm |
| Mounting | |
| Outer ring bolt circle (La) | 690 mm |
| Inner ring bolt circle (Li) | 562 mm |
| Outer ring mounting-hole count (ne) | 16 |
| Inner ring mounting-hole count (ni) | 32 |
| Outer ring mounting-hole specification (de) | M12 mm |
| Inner ring mounting-hole specification (di) | 18 mm |
| Gear | |
| Gear module (m) | 6 mm |
| Gear tooth count (z) | 122 |
| Ratings | |
| Normal tooth force (Ft_normal) | 14 kN |
| Maximum tooth force (Ft_max) | 28 kN |
| Miscellaneous | |
| Raceway Pitch Diameter (DL) | 644 mm |
| Lubrication Zerk Count (G) | 4 |
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 0644E-12B-102.