Certified interchangeability
- Matching model designation and installation envelope
- Reviewed mounting-hole and bolt-circle interfaces
- Gear arrangement matched to the referenced configuration
MERYDOM 12440001
Factory-certified by MERYDOM to interchange with Kaydon 12440001. The MERYDOM product uses the same model designation for direct cross-reference.
MERYDOM BRAND · CERTIFIED REPLACEMENTCertified product dataView complete specifications ↓ Factory assurance
12440001
MERYDOM-manufactured slewing bearing certified for interchange with Kaydon 12440001.
MERYDOM VerifiedEngineering certification · Rev 1.0- Overall OD (Do)
- 39.400 in
- Overall ID (di)
- 29.500 in
- Overall height
- 3.875 in
- Gear arrangement
- External gear
- Mounting holes
- 36 / 39 outer / inner
- Bearing design
- Four-point contact ball
- Certified dimensional interchange
- MERYDOM controlled materials
- Factory documentation available
MERYDOM CERTIFIED SPECIFICATION
MERYDOM Factory Verified · Rev 1.0Product 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 | 12440001 |
| Certified interchangeable with | Kaydon 12440001 |
| Factory verification | Level 3 · Engineering Verified |
| Approved drawing revision | 1.0 |
| Reviewed by | MERYDOM Engineering Department |
| Certification date | 2026-08-15 |
| Materials | |
| Ring material options | 42CrMo / 50Mn |
| Seal material | NBR · Nitrile rubber |
| Spacer material options | Engineering nylon / Brass |
| Identification | |
| Reference brand | Kaydon |
| Series | XT Series |
| Reference model | 12440001 |
| System of measurement | InchMetric reference shown alongside |
| Bearing structure | Four-point contact ball |
| Gear arrangement | External gear |
| Dimensions | |
| Overall outside diameter (Do) | 39.400 in1,000.76 mm |
| Overall inside diameter (di) | 29.500 in749.3 mm |
| Overall height (H) | 3.875 in98.425 mm |
| Outer ring body OD (Dr) | 38.375 in974.725 mm |
| Outer ring bolt circle (Lo) | 36.750 in933.45 mm |
| Inner ring bolt circle (Li) | 31.250 in793.75 mm |
| Gear pitch diameter (D2) | 39.000 in990.6 mm |
| Assembly weight (G) | 390 lb176.901 kg |
| Ratings | |
| Maximum gear tooth load (Fz) | 14000 lbf62,275.103 N |
| Moment load rating (Crm) | 477000 in477,000 |
| Mounting | |
| Outer ring bolt holes (no) | 36 holes · 0.813 |
| Inner ring bolt holes (ni) | 39 holes · 0.813 |
| Gear | |
| Pitch system | DP |
| Diametral pitch (Pd) | 4.00000000 DP |
| Equivalent module (m) | 6.35 mm |
| Number of teeth (z2) | 156 |
Level 3 · MERYDOM Engineering VerifiedCertified 2026-08-15 by MERYDOM Engineering Department.
SERIES LOAD CAPACITY
XT Series load chart
Use the model designation in the catalog legend as an initial moment-and-thrust capacity reference.
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
Factory-certified replacement design
This MERYDOM bearing has been reviewed against the published model envelope, mounting interfaces, gear configuration and declared material specification for replacement use.
MERYDOM construction
- 42CrMo or 50Mn ring material options
- NBR nitrile-rubber sealing system
- Engineering nylon or brass spacer options
Factory documentation
- Engineering verification by MERYDOM Engineering Department
- Default approved drawing revision 1.0
- Certification date linked to the data-import record
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 12440001.