Certified interchangeability
- Matching model designation and installation envelope
- Reviewed mounting-hole and bolt-circle interfaces
- Gear arrangement matched to the referenced configuration
INA XSI 140644 N Slewing Bearing Replacement
Level 3 VerifiedMERYDOM manufactures an engineering-verified replacement for the INA XSI 140644 N slewing bearing. The replacement is reviewed against the available dimensional, mounting and product-interface data for this reference.
The INA XSI 140644 N reference belongs to the Xsi 14 Series and uses a cross roller, internal gear slewing bearing configuration.
MERYDOM BRAND · CERTIFIED REPLACEMENTCertified product dataView complete specifications ↓ Factory assurance
XSI 140644 N
MERYDOM-manufactured slewing bearing certified for interchange with INA XSI 140644 N.
- Overall OD (Do)
- 714 mm
- Overall ID (di)
- 546 mm
- Overall height
- 56 mm
- Gear arrangement
- Internal gear
- Mounting holes
- 36 / 36 outer / inner
- Bearing design
- Cross roller
MERYDOM VerifiedLevel 3 · Engineering verification record
- Certified dimensional interchange
- MERYDOM controlled materials
- Factory documentation available
PRODUCT DIMENSIONS
View complete specifications ↓Published dimensions and interfaces
Every available catalog dimension, mounting interface and gear value is shown here in the original published unit.
Dimensions
- Mass (Mass)
- 50 kg
- Overall outside diameter (Da)
- 714 mm
- Overall inside diameter (di)
- 546 mm
- Catalog diameter Di (Di)
- 645+0,6 mm
- Catalog diameter da (da)
- 641 mm
- Overall height (H)
- 56 mm
Mounting
- Outer ring bolt circle (La)
- 690 mm
- Outer ring mounting-hole count (na)
- 36
- Inner ring bolt circle (Li)
- 605 mm
- Inner ring mounting-hole count (ni)
- 36
Gear
- Gear module (m)
- 6 mm
- Gear tooth count (z)
- 93
- Gear pitch diameter (d0)
- 558 mm
MERYDOM CERTIFIED SPECIFICATION
MERYDOM Factory Verified · Controlled recordINA XSI 140644 N Slewing Bearing Specifications
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 | XSI 140644 N |
| Certified interchangeable with | INA XSI 140644 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 | Xsi 14 Series |
| Reference model | XSI 140644 N |
| System of measurement | Metric |
| Bearing structure | Cross roller |
| Gear arrangement | Internal gear |
| Dimensions | |
| Mass (Mass) | 50 kg |
| Overall outside diameter (Da) | 714 mm |
| Overall inside diameter (di) | 546 mm |
| Catalog diameter Di (Di) | 645+0,6 mm |
| Catalog diameter da (da) | 641 mm |
| Overall height (H) | 56 mm |
| Mounting | |
| Outer ring bolt circle (La) | 690 mm |
| Outer ring mounting-hole count (na) | 36 |
| Inner ring bolt circle (Li) | 605 mm |
| Inner ring mounting-hole count (ni) | 36 |
| Gear | |
| Gear module (m) | 6 mm |
| Gear tooth count (z) | 93 |
| Gear pitch diameter (d0) | 558 mm |
| Ratings | |
| Normal tooth force (Fznorm) | 23.7 kN |
| Maximum tooth force (Fzmax) | 35 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 |
| Maximum permissible radial load (Fr perm) | 148.7 kN |
Level 3 · MERYDOM Engineering VerifiedReviewed by MERYDOM Engineering Department. Evidence date and drawing revision are not published.
INA XSI 140644 N — Load capacity curve
INA XSI 140644 N — Load capacity curve
INA XSI 140644 N — Load capacity curve. Follow the technical information in the source catalogue.
Engineering selection note
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.
MERYDOM ENGINEERING
MERYDOM Replacement for INA XSI 140644 N
This MERYDOM bearing has been reviewed against the published model envelope, mounting interfaces, gear configuration and declared material specification for replacement use.
MERYDOM construction
- Configurable 42CrMo or 50Mn ring material options
- NBR nitrile-rubber sealing system
- Configurable engineering nylon or brass spacer options
Factory documentation
- Engineering verification by MERYDOM Engineering Department
- Verification evidence is maintained in the controlled internal record
- Drawing revision and final documentation package are confirmed with the quotation
Application confirmation
- Confirm support flatness, bolt grade and preload
- Verify applied loads, duty cycle and lubrication
- Confirm temperature, environment and installation conditions
LEGAL & ENGINEERING NOTICE
Independent replacement certification
- MERYDOM is the manufacturer and certifying party for the MERYDOM product displayed on this page.
- Third-party brand names and model numbers remain the property of their respective owners and are used only to identify the intended interchange reference.
- MERYDOM is an independent manufacturer and is not affiliated with, endorsed by or sponsored by the referenced OEM.
- The interchangeability statement applies to the matching model designation and the published verification scope; application suitability still depends on loads, duty cycle, installation, lubrication and operating environment.
- The approved quotation, manufacturing drawing and contract technical agreement control the final supplied product.
MERYDOM REPLACEMENT SUPPORT
Request price & deliveryReady for price, delivery and application confirmation?
Send the required quantity and operating conditions. MERYDOM will confirm the supply configuration, documentation package and delivery schedule for model XSI 140644 N.