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 VLU 200644 slewing bearing. The replacement is reviewed against the available dimensional, mounting and product-interface data for this reference.
The INA VLU 200644 reference belongs to the Vlu 20 Series and uses a four-point contact ball, ungeared slewing bearing configuration.
MERYDOM-manufactured slewing bearing certified for interchange with INA VLU 200644.
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 | VLU 200644 |
| Certified interchangeable with | INA VLU 200644 |
| 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 | Vlu 20 Series |
| Reference model | VLU 200644 |
| System of measurement | Metric |
| Bearing structure | Four-point contact ball |
| Gear arrangement | Ungeared |
| Dimensions | |
| Mass (Mass) | 36.5 kg |
| Overall outside diameter (Da) | 748–0,6 mm |
| Outside centring diameter (DaZT) | 746 mm |
| Overall inside diameter (di) | 534+0,6 mm |
| Inside centring diameter (diZT) | 536 mm |
| Catalog diameter Di (Di) | 645,5+0,6 mm |
| Catalog diameter da (da) | 642,5–0,6 mm |
| Mounting | |
| Outer ring bolt circle (La) | 720 mm |
| Outer ring mounting-hole count (na) | 12 |
| Inner ring bolt circle (Li) | 562 mm |
| Inner ring mounting-hole count (ni) | 16 |
| Ratings | |
| Maximum permissible radial load (Fr perm) | 85.5 kN |
| Basic dynamic axial load rating (Ca) | 200 kN |
| Basic static axial load rating (C0a) | 455 kN |
| Basic dynamic radial load rating (Cr) | 131 kN |
| Basic static radial load rating (C0r) | 171 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 VLU 200644.