Certified interchangeability
- Matching model designation and installation envelope
- Reviewed mounting-hole and bolt-circle interfaces
- Gear arrangement matched to the referenced configuration
MERYDOM 091.20.1146.991.21.1503
Level 3 VerifiedFactory-certified by MERYDOM to interchange with Rothe Erde 091.20.1146.991.21.1503. The MERYDOM product uses the same model designation for direct cross-reference.
MERYDOM BRAND · CERTIFIED REPLACEMENTCertified product dataView complete specifications ↓ Factory assurance
091.20.1146.991.21.1503
MERYDOM VerifiedEngineering certification · Rev Rev 1.0MERYDOM-manufactured slewing bearing certified for interchange with Rothe Erde 091.20.1146.991.21.1503.
- Overall OD (Do)
- 1308,0 mm
- Overall ID (di)
- 1033 mm
- Overall height
- 92 mm
- Gear arrangement
- External gear
- Mounting holes
- 56 / 56 outer / inner
- Bearing design
- Four Point Ball Double Row
- Certified dimensional interchange
- MERYDOM controlled materials
- Factory documentation available
MERYDOM CERTIFIED SPECIFICATION
MERYDOM Factory Verified · Rev Rev 1.0Product 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 | 091.20.1146.991.21.1503 |
| Certified interchangeable with | Rothe Erde 091.20.1146.991.21.1503 |
| 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 | Rothe Erde |
| Series | 09 Series |
| Reference model | 091.20.1146.991.21.1503 |
| System of measurement | Metric |
| Bearing structure | Four Point Ball Double Row |
| Gear arrangement | External gear |
| Dimensions | |
| Raceway diameter (DL) | 1146 mm1,146 mm |
| Overall outside diameter (Da) | 1308,0 mm1,308 mm |
| Overall inside diameter (Di) | 1033 mm1,033 mm |
| Overall height (H) | 92 mm |
| Catalog diameter O (O) | 1152 mm1,152 mm |
| Catalog diameter U (U) | 1145 mm1,145 mm |
| Ring height H1 (H1) | 83 mm |
| Ring height H2 (H2) | 83 mm |
| Lower ring offset Hu (Hu) | 9 mm |
| Upper ring offset Ho (Ho) | 9 mm |
| Assembly weight (Weight) | 270 kg |
| Mounting | |
| Outer ring bolt circle (La) | 1215 mm1,215 mm |
| Inner ring bolt circle (Li) | 1082 mm1,082 mm |
| Common mounting-hole count (n) | 56 |
| Common mounting-hole diameter (B) | 22 mm |
| Metric bolt nominal size (M) | 20 mm |
| Gear | |
| Gear pitch diameter (d) | 1280 mm1,280 mm |
| Gear module (m) | 10 mm |
| Gear tooth count (z) | 128 |
| Profile shift product x·m (x*m) | 5 mm |
| Tip-height modification product k·m (k*m) | -1,0 mm-1 mm |
| Minimum gear face width (bmin) | 82 mm |
| Root-neck diameter Zu (Zu) | 1259 mm1,259 mm |
| Ratings | |
| Permitted circumferential force, normal (X1) | 79,23 kN79.23 kN |
| Permitted circumferential force, maximum (X2) | 158,45 kN158.45 kN |
| Miscellaneous | |
| Grease nipple count (n1) | 4 |
Level 3 · MERYDOM Engineering VerifiedCertified 2026-08-16 by MERYDOM Engineering Department.
SERIES LOAD CAPACITY
09 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
Factory-certified replacement design
This MERYDOM bearing has been reviewed against the published model envelope, mounting interfaces, gear configuration and declared material specification for replacement use.
MERYDOM construction
- 42CrMo or 50Mn ring material options
- NBR nitrile-rubber sealing system
- Engineering nylon or brass spacer options
Factory documentation
- Engineering verification by MERYDOM Engineering Department
- Default approved drawing revision 1.0
- Certification date linked to the data-import record
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 091.20.1146.991.21.1503.