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 VSA 200744 N slewing bearing. The replacement is reviewed against the available dimensional, mounting and product-interface data for this reference.
The INA VSA 200744 N reference belongs to the Vsa 20 Series and uses a four-point contact ball, external gear slewing bearing configuration.
MERYDOM-manufactured slewing bearing certified for interchange with INA VSA 200744 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 | VSA 200744 N |
| Certified interchangeable with | INA VSA 200744 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 | Vsa 20 Series |
| Reference model | VSA 200744 N |
| System of measurement | Metric |
| Bearing structure | Four-point contact ball |
| Gear arrangement | External gear |
| Dimensions | |
| Mass (Mass) | 59 kg |
| Overall outside diameter (Da) | 838.1 mm |
| Overall inside diameter (di) | 672+0,6 mm |
| Inside centring diameter (diZT) | 674 mm |
| Catalog diameter Di (Di) | 745,5+0,6 mm |
| Catalog centring diameter DiZT (DiZT) | 747 mm |
| Catalog diameter da (da) | 742,5–0,6 mm |
| Mounting | |
| Outer ring bolt circle (La) | 785 mm |
| Outer ring mounting-hole count (na) | 36 |
| Inner ring bolt circle (Li) | 698 mm |
| Inner ring mounting-hole count (ni) | 40 |
| Gear | |
| Gear pitch diameter (d0) | 828 mm |
| Gear module (m) | 6 mm |
| Gear tooth count (z) | 138 |
| Ratings | |
| Maximum permissible radial load (Fr perm) | 148.7 kN |
| Normal tooth force (Fznorm) | 21.3 kN |
| Maximum tooth force (Fzmax) | 31.5 kN |
| Basic dynamic axial load rating (Ca) | 211 kN |
| Basic static axial load rating (C0a) | 1,010 kN |
| Basic dynamic radial load rating (Cr) | 138 kN |
| Basic static radial load rating (C0r) | 445 kN |
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 VSA 200744 N.