Certified interchangeability
- Matching model designation and installation envelope
- Reviewed mounting-hole and bolt-circle interfaces
- Gear arrangement matched to the referenced configuration
Factory-certified by MERYDOM to interchange with Rothe Erde 280.30.1200.013. The MERYDOM product uses the same model designation for direct cross-reference.
MERYDOM-manufactured slewing bearing certified for interchange with Rothe Erde 280.30.1200.013.
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 | 280.30.1200.013 |
| Certified interchangeable with | Rothe Erde 280.30.1200.013 |
| 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 | 28 Series |
| Reference model | 280.30.1200.013 |
| System of measurement | Metric |
| Bearing structure | Profile Bearing |
| Gear arrangement | Ungeared |
| Dimensions | |
| Raceway diameter (DL) | 1255 mm1,255 mm |
| Overall outside diameter (Da) | 1400 mm1,400 mm |
| Overall inside diameter (Di) | 1105 mm1,105 mm |
| Overall height (H) | 90 mm |
| Catalog diameter O (O) | 1256,5 mm1,256.5 mm |
| Catalog diameter U (U) | 1253,5 mm1,253.5 mm |
| Catalog diameter A (A) | 1317 mm1,317 mm |
| Catalog diameter C (C) | 1193 mm1,193 mm |
| Lower ring offset Hu (Hu) | 19 mm |
| Upper ring offset Ho (Ho) | 19 mm |
| Assembly weight (Weight) | 172 kg |
| Axial bearing play (Y_axial) | ≤ 0,45 mm0.45 mm |
| Radial bearing play (Y_radial) | ≤ 0,37 mm0.37 mm |
| Mounting | |
| Outer ring bolt circle (La) | 1360 mm1,360 mm |
| Outer ring mounting-hole count (na) | 42 |
| Outer ring mounting-hole diameter (B_outer) | 22 mm |
| Inner ring bolt circle (Li) | 1145 mm1,145 mm |
| Inner ring mounting-hole count (ni) | 42 |
| Inner ring mounting-hole diameter (B_inner) | 22 mm |
| Miscellaneous | |
| Grease nipple count (n1) | 6 |
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 280.30.1200.013.