Certified interchangeability
- Matching model designation and installation envelope
- Reviewed mounting-hole and bolt-circle interfaces
- Gear arrangement matched to the referenced configuration
MERYDOM 231.21.0975.013
Level 3 VerifiedFactory-certified by MERYDOM to interchange with Rothe Erde 231.21.0975.013. The MERYDOM product uses the same model designation for direct cross-reference.
MERYDOM BRAND · CERTIFIED REPLACEMENTCertified product dataView complete specifications ↓ Factory assurance
231.21.0975.013
MERYDOM VerifiedEngineering certification · Rev Rev 1.0MERYDOM-manufactured slewing bearing certified for interchange with Rothe Erde 231.21.0975.013.
- Overall OD (Do)
- 1046,4 mm
- Overall ID (di)
- 835 + 0,14 mm
- Overall height
- 56 mm
- Gear arrangement
- External gear
- Mounting holes
- 20 / 20 outer / inner
- Bearing design
- Profile Bearing
- 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 | 231.21.0975.013 |
| Certified interchangeable with | Rothe Erde 231.21.0975.013 |
| 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 | 23 Series |
| Reference model | 231.21.0975.013 |
| System of measurement | Metric |
| Bearing structure | Profile Bearing |
| Gear arrangement | External gear |
| Dimensions | |
| Raceway diameter (DL) | 944 mm |
| Overall outside diameter (Da) | 1046,4 mm1,046.4 mm |
| Overall inside diameter (Di) | 835 + 0,14 mm835 mm |
| Overall height (H) | 56 mm |
| Catalog diameter O (O) | 942,5 mm942.5 mm |
| Catalog diameter U (U) | 947 + 0,14 mm947 mm |
| Catalog diameter C (C) | 905 mm |
| Lower ring offset Hu (Hu) | 10,5 mm10.5 mm |
| Assembly weight (Weight) | 69,6 kg69.6 kg |
| Combined axial/radial bearing play range (Y_axial_radial) | ≥ 0 to 0,05 mm |
| Mounting | |
| Outer ring bolt circle (La) | 985 mm |
| Outer ring mounting-hole count (na) | 20 |
| Metric bolt nominal size (M) | 12 mm |
| Thread depth (t) | 20 mm |
| Inner ring bolt circle (Li) | 862 mm |
| Inner ring mounting-hole count (ni) | 20 |
| Inner ring mounting-hole diameter (B_inner) | 18 mm |
| Gear | |
| Gear pitch diameter (d) | 1032 mm1,032 mm |
| Gear module (m) | 8 mm |
| Gear tooth count (z) | 129 |
| Tip-height modification product k·m (k*m) | -0,8 mm-0.8 mm |
| Minimum gear face width (bmin) | 45,5 mm45.5 mm |
| Ratings | |
| Permitted circumferential force, normal (X1) | 18,93 kN18.93 kN |
| Permitted circumferential force, maximum (X2) | 37,86 kN37.86 kN |
| Miscellaneous | |
| Grease nipple count (n1) | 4 |
Level 3 · MERYDOM Engineering VerifiedCertified 2026-08-16 by MERYDOM Engineering Department.
SERIES LOAD CAPACITY
23 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 231.21.0975.013.