INA VU 250380 Slewing Bearing Replacement

Name: MERYDOM Replacement for INA VU 250380 Slewing Bearing
Brand: MERYDOM
SKU: VU 250380

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MERYDOM BRAND · CERTIFIED REPLACEMENT

VU 250380

MERYDOM VerifiedLevel 3 · Engineering verification record

MERYDOM-manufactured slewing bearing certified for interchange with INA VU 250380.

Certified product dataView complete specifications ↓

Overall OD (Do): 485 mm
Overall ID (di): 275 mm
Overall height: 55 mm
Gear arrangement: Ungeared
Mounting holes: 16 / 16 outer / inner
Bearing design: Four-point contact ball

Factory assurance

Certified dimensional interchange
MERYDOM controlled materials
Factory documentation available

PRODUCT DIMENSIONS

Published dimensions and interfaces

Every available catalog dimension, mounting interface and gear value is shown here in the original published unit.

View complete specifications ↓

Dimensions

Mass (Mass): 44 kg
Overall outside diameter (Da): 485 mm
Outside centring diameter (DaZT): 483 mm
Overall inside diameter (di): 275 mm
Inside centring diameter (diZT): 277 mm
Catalog diameter Di (Di): 379 mm
Catalog diameter da (da): 381 mm
Overall height (H): 55 mm
Inner height (h): 50 mm
Outer centring length (T): 8 mm
Inner centring length (t): 8 mm

Mounting

Outer ring bolt circle (La): 453 mm
Inner ring bolt circle (Li): 307 mm
Common mounting-hole diameter (dB): 18 mm
Outer ring mounting-hole count (na): 16
Inner ring mounting-hole count (ni): 16

MERYDOM CERTIFIED SPECIFICATION

INA VU 250380 Slewing Bearing Specifications

MERYDOM product identity, certification, materials and dimensional data for the certified replacement.

MERYDOM Factory Verified · Controlled record

Technical parameter	MERYDOM certified product value
MERYDOM Certified Product
Product brand	MERYDOM
MERYDOM model	VU 250380
Certified interchangeable with	INA VU 250380
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	Vu Series
Reference model	VU 250380
System of measurement	Metric
Bearing structure	Four-point contact ball
Gear arrangement	Ungeared
Dimensions
Mass (Mass)	44 kg
Overall outside diameter (Da)	485 mm
Outside centring diameter (DaZT)	483 mm
Overall inside diameter (di)	275 mm
Inside centring diameter (diZT)	277 mm
Catalog diameter Di (Di)	379 mm
Catalog diameter da (da)	381 mm
Overall height (H)	55 mm
Inner height (h)	50 mm
Outer centring length (T)	8 mm
Inner centring length (t)	8 mm
Mounting
Outer ring bolt circle (La)	453 mm
Inner ring bolt circle (Li)	307 mm
Common mounting-hole diameter (dB)	18 mm
Outer ring mounting-hole count (na)	16
Inner ring mounting-hole count (ni)	16
Ratings
Maximum permissible radial load (Fr perm)	124.8 kN
Basic dynamic axial load rating (Ca)	350 kN
Basic static axial load rating (C0a)	800 kN
Basic dynamic radial load rating (Cr)	230 kN
Basic static radial load rating (C0r)	360 kN
Radial clearance (Radial clearance)	0,06 incl. 0,25 mm
Axial tilting clearance (Axial tilting clearance)	0,11 incl. 0,41 mm

Level 3 · MERYDOM Engineering VerifiedReviewed by MERYDOM Engineering Department. Evidence date and drawing revision are not published.

SERIES LOAD CAPACITY

Vu 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

MERYDOM Replacement for INA VU 250380

This MERYDOM bearing has been reviewed against the published model envelope, mounting interfaces, gear configuration and declared material specification for replacement use.

Certified interchangeability

Matching model designation and installation envelope
Reviewed mounting-hole and bolt-circle interfaces
Gear arrangement matched to the referenced configuration

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

RELATED CERTIFIED PRODUCTS

Related INA Slewing Bearing References

Each listed MERYDOM model is factory-certified for interchange with the matching referenced-brand model shown on its own product page.

MERYDOM model	Gear	OD × ID × H
VU 200405	Ungeared	474 × 336 × 46 mm	View details →
VU 250433	Ungeared	522 × 344 × 55 mm	View details →
VU 140325	Ungeared	380 × 270 × 35 mm	View details →
VU 200260	Ungeared	329 × 191 × 46 mm	View details →

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.