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 INA XA 120235 N slewing bearing. The replacement is reviewed against the available dimensional, mounting and product-interface data for this reference.
The INA XA 120235 N reference belongs to the Xa Series and uses a cross roller, external gear slewing bearing configuration.
MERYDOM-manufactured slewing bearing certified for interchange with INA XA 120235 N.
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 | XA 120235 N |
| Certified interchangeable with | INA XA 120235 N |
| 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 | INA |
| Series | Xa Series |
| Reference model | XA 120235 N |
| System of measurement | Metric |
| Bearing structure | Cross roller |
| Gear arrangement | External gear |
| Dimensions | |
| Mass (Mass) | 13.3 kg |
| Overall outside diameter (Da) | 318.8 mm |
| Overall inside diameter (di) | 171 mm |
| Inside centring diameter (diZT) | 173 mm |
| Catalog diameter Di (Di) | 236±0,2 mm |
| Catalog centring diameter DiZT (DiZT) | 238 mm |
| Catalog diameter da (da) | 234±0,2 mm |
| Outer centring length (T) | 2.6 mm |
| Inner centring length (t) | 6 mm |
| Overall height (H) | 40 mm |
| Inner height (h) | 35 mm |
| Mounting | |
| Outer ring bolt circle (La) | 275 mm |
| Inner ring bolt circle (Li) | 195 mm |
| Outer ring mounting-hole count (na) | 12 |
| Inner ring mounting-hole count (ni) | 12 |
| Common mounting-hole diameter (dB) | 13 mm |
| Gear | |
| Gear pitch diameter (d0) | 312 mm |
| Gear module (m) | 4 mm |
| Gear tooth count (z) | 78 |
| Gear face width (b) | 35 mm |
| Ratings | |
| Maximum permissible radial load (Fr perm) | 49.6 kN |
| Normal tooth force (Fznorm) | 11 kN |
| Maximum tooth force (Fzmax) | 16.1 kN |
| Basic dynamic axial load rating (Ca) | 135 kN |
| Basic static axial load rating (C0a) | 235 kN |
| Basic dynamic radial load rating (Cr) | 86 kN |
| Basic static radial load rating (C0r) | 115 kN |
| Preload (Preload) | 0 incl. 0,02 mm |
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 XA 120235 N.