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FAG / Spherical roller bearings

FAG 23852-B-MB-H40AC

Spherical roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
260 mm
Outside diameterD
320 mm
WidthB
45 mm
Dynamic load ratingC
415 kN
Static load ratingC0
1010 kN
Limiting speednG
2550 r/min

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 specifications14 parameters
Core specifications
ParameterSymbolValue
Series23852
Bore diameterd260 mm
Outside diameterD320 mm
WidthB45 mm
Basic dynamic load ratingC415 kN
Basic static load ratingC01010 kN
Fatigue load limitPu68 kN
Reference speednref1180 r/min
Limiting speednG2550 r/min
Mass≈m7.895 kg
Internal clearanceCN (Group N) — Normal internal clearance
CageMB — Solid brass cage
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax200 °C
Product characteristics5 parameters
Product characteristics
ParameterSymbolValue
DesignBWith fixed central rib
Bore typeZCylindrical
CageMBSolid brass cage
Radial internal clearanceCN (Group N)Normal internal clearance
Relubrication featureH40AC6 lubricating holes and groove at the inner ring
Main Dimensions & Performance Data9 parameters
Main Dimensions & Performance Data
ParameterSymbolValue
Bore diameterd260 mm10.236 in
Outside diameterD320 mm12.598 in
WidthB45 mm1.772 in
Basic dynamic load rating, radialCr415,000 N93,300.36 lbf
Basic static load rating, radialC0r1,010,000 N227,068.345 lbf
Fatigue load limit, radialCur68,000 N15,287.77 lbf
Limiting speednG2,550 1/min
Reference speednϑr1,180 1/min
Mass≈m7.895 kg17.405 lbs
Mounting dimensions3 parameters
Mounting dimensions
ParameterSymbolValue
Minimum diameter shaft shoulderda min269 mm10.591 in
Maximum diameter of housing shoulderDa max311 mm12.244 in
Maximum recess radiusra max2 mm0.079 in
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Minimum chamfer dimensionrmin2 mm0.079 in
Bore diameter outer ringD1303.2 mm11.937 in
Diameter lubrication holeds3.2 mm0.126 in
Width of lubricating groovens6.5 mm0.256 in
Temperature range2 parameters
Temperature range
ParameterSymbolValue
Operating temperature min.Tmin-30 °C-22 °F
Operating temperature max.Tmax200 °C392 °F
Calculation factors4 parameters
Calculation factors
ParameterSymbolValue
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye0.12
Dynamic axial load factorY15.72
Dynamic axial load factorY28.51
Static axial load factorY05.59
Capabilities & suitability8 parameters
Capabilities & suitability
ParameterSymbolValue
Radial load capacityYes
Axial load capacity in one directionYes
Axial load capacity in both directionsYes
Suitable for grease lubricationYes
Suitable for oil lubricationYes
Unsealed designYes
StaticangularerrorandmisalignmentYes
DynamicangularerrorandmisalignmentYes
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code389828
BrandFAG
Base Type23852
Old Designation["23852B.MB.H40AC"]
X Life Markingn.r.
SAP material number0190396030000
Base product2305091131
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionSpherical roller bearing 238..-B-MB-H40AC, symmetric 3 ribs
Short DescriptionSpherical Roller Bearing
Technical Data21 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)260 mm
Outside Diamater (D)320 mm
Total Width (B)45 mm
Basic Dynamic Load Rating, Radial (Cr)415,000 N
Basic Static Load Rating, Radial (C0R)1,010,000 N
Diameter Lubrication Hole (Ds)3.2 mm
Operating Temperature Min. (Tmin)-30 °C
Minimum Diameter Shaft Shoulder (Da)269 mm
Operating Temperature Max. (Tmax)200 °C
Limiting Speed (Limiting Spe)2,550 1/min
Reference Speed (Nϑr)1,180 1/min
Maximum Recess Radius (Ra Max)2 mm
Maximum Diameter Of Housing Shoulder (Da)311 mm
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)0.12
Width Of Lubricating Groove (Ns)6.5 mm
Dynamic Axial Load Factor (Y1)5.72
Bore Diameter Outer Ring (D1)303.2 mm
Minimum Chamfer Dimension (Rmin)2 mm
Static Axial Load Factor (Y0)5.59
Dynamic Axial Load Factor (Y2)8.51
Fatigue Load Limit, Radial (Cur)68,000 N

Technical documents & data sheet

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Record identity
FAG 23852-B-MB-H40AC
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