Corteco 12031999B is an FPM radial shaft oil seal with BAUMX7 design, measuring 15x30x7 mm: d = 15 mm shaft diameter, D = 30 mm housing bore and B = 7 mm width. The complete 12031999B - FPM - BAUMX7 specification is important because Corteco also offers NBR seals with identical 15x30x7 mm dimensions but different designs.
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Corteco 12031999B is an FPM radial shaft oil seal with the manufacturer design designation BAUMX7, measuring 15x30x7 mm. Its principal installation dimensions are a 15 mm shaft diameter, 30 mm housing bore diameter and 7 mm seal width.
Complete catalog identification:
Corteco -> 12031999B -> FPM -> BAUMX7 -> 15x30x7 mm
The exact Corteco reference combines three important technical identifiers:
Material: FPM
Design: BAUMX7
Dimensions: 15x30x7 mm
These characteristics should be considered together.
The dimensions alone do not uniquely identify this seal because Corteco catalogs contain several different 15x30x7 mm references with different materials and design codes.
Verified catalog dimensions:
d - Shaft diameter: 15 mm
D - Housing bore diameter: 30 mm
B - Width: 7 mm
Dimensions: 15x30x7 mm
The designation 15x30x7 mm therefore represents:
15 mm - shaft diameter
30 mm - housing bore diameter
7 mm - seal width
All three dimensions must correspond to the installation.
Corteco specifies:
FPM
as the material for the exact 12031999B reference.
Material is an important part of the product specification and should be checked when selecting an alternative seal.
A standard NBR 15x30x7 oil seal should not automatically be considered equivalent to Corteco 12031999B simply because the installation dimensions are identical.
The required material must correspond to the medium, temperature and operating conditions of the actual application.
The exact Corteco design designation is:
BAUMX7
This code should be retained in the product name and technical specification because it distinguishes 12031999B from other Corteco seals with the same 15x30x7 mm dimensions.
The individual characters within BAUMX7 should not be assigned specific meanings unless explicitly defined in manufacturer documentation for this design.
For replacement purposes, the safest identification remains:
12031999B + FPM + BAUMX7 + 15x30x7 mm
Corteco catalogs contain several seals with the same basic 15x30x7 mm dimensions, including:
12010794B - NBR - BA - 15x30x7 mm
12011109B - NBR - BASL - 15x30x7 mm
12011327B - NBR - B1 - 15x30x7 mm
12031999B - FPM - BAUMX7 - 15x30x7 mm
This demonstrates why dimensions alone are insufficient for precise seal identification.
For the product described here, the correct specification is:
Corteco 12031999B - FPM - BAUMX7 - 15x30x7 mm
Corteco application data classify 12031999B under:
Trac Tech
with the application entry:
VARIOS
This does not establish compatibility with one specific machine, vehicle or assembly.
Where the original application is unknown, selection should therefore be based on the exact Corteco reference and technical specification rather than an assumed vehicle application.
When replacing Corteco 12031999B, compare at least:
Part number: 12031999B
Design: BAUMX7
Material: FPM
Shaft diameter: 15 mm
Housing bore diameter: 30 mm
Width: 7 mm
Dimensions: 15x30x7 mm
Operating conditions: appropriate for the specific application
A generic 15x30x7 mm oil seal is not automatically equivalent to Corteco 12031999B.
This is particularly important because Corteco itself lists NBR seals with the same installation dimensions but different design codes.
Manufacturer: Corteco
Part number: 12031999B
Base reference: 12031999
Product type: Radial shaft oil seal
Design: BAUMX7
Material: FPM
d - Shaft diameter: 15 mm
D - Housing bore diameter: 30 mm
B - Width: 7 mm
Dimensions: 15x30x7 mm
Catalog group: Trac Tech
Catalog application: VARIOS
Corteco 12031999B measures 15x30x7 mm: 15 mm shaft diameter, 30 mm housing bore diameter and 7 mm width.
The exact Corteco reference is specified as FPM.
The manufacturer design designation for this reference is BAUMX7.
No. Corteco catalogs specify FPM for the exact 12031999B reference.
No. Corteco catalogs contain multiple 15x30x7 mm seals with different materials and designs, including BA, BASL, B1 and BAUMX7 versions.
Not automatically. A replacement should match the 15x30x7 mm dimensions, FPM material and BAUMX7 design, as well as the requirements of the actual application.
The full reference identifies the exact Corteco product and distinguishes it from other 15x30x7 mm seals with different materials and constructions.
Corteco 12031999B is an FPM radial shaft oil seal with BAUMX7 design and dimensions 15x30x7 mm. It fits a 15 mm shaft and 30 mm housing bore and has a 7 mm width. The full reference is important because Corteco also offers other 15x30x7 mm seals with different materials and designs.
Data sheet