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INA / Axial cylindrical roller bearing

INA 81168-M

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

Technical data available
Bore diameterd
340 mm
Outside diameterD
420 mm
WidthB
64 mm
Limiting speednG
760 r/min
Mass≈m
22.45 kg
Bore Diameter (D)
340 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
Series81168
Bore diameterd340 mm
Outside diameterD420 mm
WidthB64 mm
Reference speednref265 r/min
Limiting speednG760 r/min
Mass≈m22.45 kg
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax120 °C
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code395829
BrandINA
Base Type81168
Old Designation["811 68 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)340 mm
Outside Diameter (D)420 mm
Width (B)64 mm
Basic Dynamic Load Rating, Axial (Ca)1,130,000 N
Basic Static Load Rating, Axial (C0A)5,000,000 N
Operating Temperature Min. (Tmin)-30 °C
Minimum Diameter Shaft Shoulder (Da)414 mm
Operating Temperature Max. (Tmax)120 °C
Limiting Speed (Ng)760 1/min
Reference Speed (Nϑr)265 1/min
Maximum Recess Radius (Ra Max)2 mm
Maximum Diameter Of Housing Shoulder (Da)354 mm
Rip Diameter Shaft Washer (D1)416 mm
Bore Diameter Housing Washer (D1)344 mm
Minimum Chamfer Dimension (Rmin)2 mm
Fatigue Load Limit, Axial (Cua)410,000 N

Technical documents & data sheet

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Record identity
INA 81168-M
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