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 281.30.1400.013. The MERYDOM product uses the same model designation for direct cross-reference.
MERYDOM-manufactured slewing bearing certified for interchange with Rothe Erde 281.30.1400.013.
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 | 281.30.1400.013 |
| Certified interchangeable with | Rothe Erde 281.30.1400.013 |
| 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 | 281.30.1400.013 |
| System of measurement | Metric |
| Bearing structure | Profile Bearing |
| Gear arrangement | External gear |
| Dimensions | |
| Raceway diameter (DL) | 1455 mm1,455 mm |
| Overall outside diameter (Da) | 1598 mm1,598 mm |
| Overall inside diameter (Di) | 1305 mm1,305 mm |
| Overall height (H) | 90 mm |
| Catalog diameter O (O) | 1456,5 mm1,456.5 mm |
| Catalog diameter U (U) | 1453,5 mm1,453.5 mm |
| Catalog diameter C (C) | 1393 mm1,393 mm |
| Lower ring offset Hu (Hu) | 19 mm |
| Assembly weight (Weight) | 250 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) | 1516 mm1,516 mm |
| Outer ring mounting-hole count (na) | 48 |
| Metric bolt nominal size (M) | 20 mm |
| Thread depth (t) | 40 mm |
| Inner ring bolt circle (Li) | 1345 mm1,345 mm |
| Inner ring mounting-hole count (ni) | 48 |
| Inner ring mounting-hole diameter (B_inner) | 22 mm |
| Gear | |
| Gear pitch diameter (d) | 1580 mm1,580 mm |
| Gear module (m) | 10 mm |
| Gear tooth count (z) | 158 |
| Tip-height modification product k·m (k*m) | -1,0 mm-1 mm |
| Minimum gear face width (bmin) | 71 mm |
| Ratings | |
| Permitted circumferential force, normal (X1) | 36,40 kN36.4 kN |
| Permitted circumferential force, maximum (X2) | 72,80 kN72.8 kN |
| 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 281.30.1400.013.