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 XU 050077 slewing bearing. The replacement is reviewed against the available dimensional, mounting and product-interface data for this reference.
The INA XU 050077 reference belongs to the Xu Series and uses a cross roller, ungeared slewing bearing configuration.
MERYDOM-manufactured slewing bearing certified for interchange with INA XU 050077.
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 | XU 050077 |
| Certified interchangeable with | INA XU 050077 |
| 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 | Xu Series |
| Reference model | XU 050077 |
| System of measurement | Metric |
| Bearing structure | Cross roller |
| Gear arrangement | Ungeared |
| Dimensions | |
| Mass (Mass) | 1.4 kg |
| Overall outside diameter (Da) | 112 mm |
| Overall inside diameter (di) | 40 mm |
| Catalog diameter Di (Di) | 77.5 mm |
| Catalog diameter da (da) | 74 mm |
| Overall height (H) | 22 mm |
| Inner height (h) | 21 mm |
| Mounting | |
| Outer ring bolt circle (La) | 97 mm |
| Inner ring bolt circle (Li) | 56 mm |
| Outer ring mounting-hole count (na) | 6 |
| Inner ring mounting-hole count (ni) | 6 |
| Common mounting-hole diameter (dB) | 6.6 mm |
| Counterbore diameter (ds) | 11 mm |
| Counterbore depth (ts) | 5.5 mm |
| Ratings | |
| Maximum permissible radial load (Fr perm) | 5.8 kN |
| Basic dynamic axial load rating (Ca) | 22.4 kN |
| Basic static axial load rating (C0a) | 29 kN |
| Basic dynamic radial load rating (Cr) | 14.3 kN |
| Basic static radial load rating (C0r) | 14.2 kN |
| Preload (Preload) | 0,005 incl. 0,008 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 XU 050077.