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 VSU 250855 slewing bearing. The replacement is reviewed against the available dimensional, mounting and product-interface data for this reference.
The INA VSU 250855 reference belongs to the Vsu 25 Series and uses a four-point contact ball, ungeared slewing bearing configuration.
MERYDOM-manufactured slewing bearing certified for interchange with INA VSU 250855.
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 | VSU 250855 |
| Certified interchangeable with | INA VSU 250855 |
| 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 | Vsu 25 Series |
| Reference model | VSU 250855 |
| System of measurement | Metric |
| Bearing structure | Four-point contact ball |
| Gear arrangement | Ungeared |
| Dimensions | |
| Mass (Mass) | 101 kg |
| Overall outside diameter (Da) | 955 mm |
| Outside centring diameter (DaZT) | 953 mm |
| Catalog diameter Di (Di) | 853 mm |
| Catalog diameter da (da) | 857 mm |
| Overall inside diameter (di) | 755 mm |
| Inside centring diameter (diZT) | 757 mm |
| Mounting | |
| Outer ring bolt circle (La) | 915 mm |
| Inner ring bolt circle (Li) | 795 mm |
| Common mounting-hole count (nB) | 28 |
| Ratings | |
| Maximum permissible radial load (Fr perm) | 338.8 kN |
| Basic dynamic axial load rating (Ca) | 485 kN |
| Basic static axial load rating (C0a) | 2,550 kN |
| Basic dynamic radial load rating (Cr) | 315 kN |
| Basic static radial load rating (C0r) | 1,150 kN |
| Radial clearance (Radial clearance) | 0,03 incl. 0,13 mm |
| Axial tilting clearance (Axial tilting clearance) | 0,05 incl. 0,24 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 VSU 250855.