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 INA XSU 140644. The MERYDOM product uses the same model designation for direct cross-reference.
MERYDOM-manufactured slewing bearing certified for interchange with INA XSU 140644.
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 | XSU 140644 |
| Certified interchangeable with | INA XSU 140644 |
| Factory verification | Level 3 · Engineering Verified |
| Approved drawing revision | Rev 1.0 |
| Reviewed by | MERYDOM Engineering Department |
| Certification date | 2026-08-17 |
| Materials | |
| Ring material options | 42CrMo / 50Mn |
| Seal material | NBR · Nitrile rubber |
| Spacer material options | Engineering nylon / Brass |
| Identification | |
| Reference brand | INA |
| Series | XSU 14 Series |
| Reference model | XSU 140644 |
| System of measurement | Metric |
| Bearing structure | Cross roller |
| Gear arrangement | Ungeared |
| Dimensions | |
| Mass (Mass) | 44 kg |
| Overall outside diameter (Da) | 714 mm |
| Overall inside diameter (di) | 574 mm |
| Catalog diameter Di (Di) | 645+0,6 mm |
| Catalog diameter da (da) | 643–0,6 mm |
| Mounting | |
| Outer ring bolt circle (La) | 690 mm |
| Outer ring mounting-hole count (na) | 36 |
| Inner ring bolt circle (Li) | 598 mm |
| Inner ring mounting-hole count (ni) | 36 |
| Ratings | |
| Maximum permissible radial load (Fr perm) | 148,7 kN148.7 kN |
| Basic dynamic axial load rating (Ca) | 290 kN |
| Basic static axial load rating (C0a) | 800 kN |
| Basic dynamic radial load rating (Cr) | 185 kN |
| Basic static radial load rating (C0r) | 395 kN |
| Preload (Preload) | 0,01 incl. 0,04 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 XSU 140644.