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FAG / Axial deep groove ball bearings

FAG 51128

Axial deep groove ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
140 mm
Outside diameterD
180 mm
WidthB
31 mm
Limiting speednG
2750 r/min
Mass≈m
1.852 kg
Inner diameter shaft washerd
140 mm / 5.512 in

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 specifications10 parameters
Core specifications
ParameterSymbolValue
Bore diameterd140 mm
Outside diameterD180 mm
WidthB31 mm
Reference speednref2330 r/min
Limiting speednG2750 r/min
Mass≈m1.852 kg
Precision classPN — Normal (ISO 492:2023)
CageJP — Steel sheet metal
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax150 °C
Product characteristics3 parameters
Product characteristics
ParameterSymbolValue
CageJPSteel sheet metal
Tolerance classPNNormal (ISO 492:2023)
Dimensional / heat stabilizationS0Rings dimensional stabilized up to 150°
Main Dimensions & Performance Data9 parameters
Main Dimensions & Performance Data
ParameterSymbolValue
Inner diameter shaft washerd140 mm5.512 in
Outer diameter housing washerD180 mm7.087 in
HeightT31 mm1.22 in
Basic dynamic load rating, axialCa111,000 N24,955.036 lbf
Basic static load rating, axialC0a400,000 N89,928.058 lbf
Fatigue load limit, axialCua14,600 N3,282.374 lbf
Limiting speednG2,750 1/min
Reference speednϑr2,330 1/min
Mass≈m1.852 kg4.083 lbs
Mounting dimensions3 parameters
Mounting dimensions
ParameterSymbolValue
Minimum diameter shaft shoulderda min164 mm6.457 in
Maximum diameter of housing shoulderDa max156 mm6.142 in
Maximum filled radiusra max1 mm0.039 in
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Minimum chamfer dimensionrmin1 mm0.039 in
Inner diameter housing washerD1142 mm5.591 in
Outer diameter shaft washerd1178 mm7.008 in
Temperature range2 parameters
Temperature range
ParameterSymbolValue
Operating temperature min.Tmin-30 °C-22 °F
Operating temperature max.Tmax150 °C302 °F
Calculation factors1 parameter
Calculation factors
ParameterSymbolValue
Minimum load factorA0.83
Capabilities & suitability4 parameters
Capabilities & suitability
ParameterSymbolValue
Axial load capacity in one directionYes
Suitable for grease lubricationYes
Suitable for oil lubricationYes
Unsealed designYes
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code394446
BrandFAG
Base Type51128
X Life Markingn.r.
SAP material number0167148730000
Base product2305100101
Bearing X designation51128
Mounting Manager ID51128
Grease application ID51128
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionAxial deep groove ball bearing 511, single direction, steel sheet metal cage
Short DescriptionAxial deep groove ball bearing
Technical Data17 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)140 mm
Outside Diameter (D)180 mm
Width (B)31 mm
Basic Dynamic Load Rating, Axial (Ca)111,000 N
Basic Static Load Rating, Axial (C0A)400,000 N
Operating Temperature Min. (Tmin)-30 °C
Limiting Speed (Ng)2,750 1/min
Operating Temperature Max. (Tmax)150 °C
Reference Speed (Nϑr)2,330 1/min
Minimum Diameter Shaft Shoulder (Da Min)164 mm
Minimum Load Factor (A)0.83
Rip Diameter Shaft Washer (D1)178 mm
Bore Diameter Housing Washer (D1)142 mm
Maximum Diameter Of Housing Shoulder (Da Max)156 mm
Minimum Chamfer Dimension (Rmin)1 mm
Maximum Fillet Radius (Ra Max)1 mm
Fatigue Load Limit, Axial (Cua)14,600 N

Technical documents & data sheet

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Record identity
FAG 51128
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