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INA / Axial cylindrical roller bearing

INA 81180-M

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

Technical data available
Bore diameterd
400 mm
Outside diameterD
480 mm
WidthB
65 mm
Limiting speednG
650 r/min
Mass≈m
26.58 kg
Bore Diameter (D)
400 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
Series81180
Bore diameterd400 mm
Outside diameterD480 mm
WidthB65 mm
Reference speednref224 r/min
Limiting speednG650 r/min
Mass≈m26.58 kg
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax120 °C
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code395835
BrandINA
Base Type81180
Old Designation["811 80 M"]
X Life Markingn.r.
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionAxial cylindrical roller bearing 811..-M, single row
Short DescriptionAxial cylindrical roller bearing
Technical Data16 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)400 mm
Outside Diameter (D)480 mm
Width (B)65 mm
Basic Dynamic Load Rating, Axial (Ca)1,200,000 N
Basic Static Load Rating, Axial (C0A)5,700,000 N
Operating Temperature Min. (Tmin)-30 °C
Minimum Diameter Shaft Shoulder (Da)474 mm
Operating Temperature Max. (Tmax)120 °C
Limiting Speed (Ng)650 1/min
Reference Speed (Nϑr)224 1/min
Maximum Recess Radius (Ra Max)2 mm
Maximum Diameter Of Housing Shoulder (Da)414 mm
Rip Diameter Shaft Washer (D1)476 mm
Bore Diameter Housing Washer (D1)404 mm
Minimum Chamfer Dimension (Rmin)2 mm
Fatigue Load Limit, Axial (Cua)445,000 N

Technical documents & data sheet

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Record identity
INA 81180-M
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