99,016 bearing records · search, filter and compare

INA / Axial cylindrical roller bearing

INA 81244-M

Axial cylindrical roller bearing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
220 mm
Outside diameterD
300 mm
WidthB
63 mm
Limiting speednG
1110 r/min
Mass≈m
13.854 kg
Bore Diameter (D)
220 mm

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications9 parameters
Core specifications
ParameterSymbolValue
Series81244
Bore diameterd220 mm
Outside diameterD300 mm
WidthB63 mm
Reference speednref410 r/min
Limiting speednG1110 r/min
Mass≈m13.854 kg
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax120 °C
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code396295
BrandINA
Base Type81244
Old Designation["81244MPB","812 44 M"]
X Life Markingn.r.
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionAxial cylindrical roller bearing 812..-M, single row
Short DescriptionAxial cylindrical roller bearing
Technical Data16 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)220 mm
Outside Diameter (D)300 mm
Width (B)63 mm
Basic Dynamic Load Rating, Axial (Ca)950,000 N
Basic Static Load Rating, Axial (C0A)3,450,000 N
Operating Temperature Min. (Tmin)-30 °C
Minimum Diameter Shaft Shoulder (Da)296 mm
Operating Temperature Max. (Tmax)120 °C
Limiting Speed (Ng)1,110 1/min
Reference Speed (Nϑr)410 1/min
Maximum Recess Radius (Ra Max)2 mm
Maximum Diameter Of Housing Shoulder (Da)230 mm
Rip Diameter Shaft Washer (D1)297 mm
Bore Diameter Housing Washer (D1)224 mm
Minimum Chamfer Dimension (Rmin)2 mm
Fatigue Load Limit, Axial (Cua)320,000 N

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
INA 81244-M
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

Look up another model or check drawing requirements →

Search the consolidated catalogue

Find, filter and compare bearing model data in one place.

Open model search