99,016 bearing records · search, filter and compare

FAG / Spherical roller bearings

FAG 23992-B-MB-C2

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

Technical data available
Bore diameterd
460 mm
Outside diameterD
620 mm
WidthB
118 mm
Dynamic load ratingC
2270 kN
Static load ratingC0
5400 kN
Limiting speednG
1080 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
Series23992
Bore diameterd460 mm
Outside diameterD620 mm
WidthB118 mm
Basic dynamic load ratingC2270 kN
Basic static load ratingC05400 kN
Fatigue load limitPu380 kN
Reference speednref590 r/min
Limiting speednG1080 r/min
Mass≈m103.5 kg
Internal clearanceC2 (Group 2) — Internal clearance smaller than CN
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 clearanceC2 (Group 2)Internal clearance smaller than CN
Relubrication featureStandard
Main Dimensions & Performance Data9 parameters
Main Dimensions & Performance Data
ParameterSymbolValue
Bore diameterd460 mm18.11 in
Outside diameterD620 mm24.409 in
WidthB118 mm4.646 in
Basic dynamic load rating, radialCr2,270,000 N510,341.727 lbf
Basic static load rating, radialC0r5,400,000 N1,214,028.777 lbf
Fatigue load limit, radialCur380,000 N85,431.655 lbf
Limiting speednG1,080 1/min
Reference speednϑr590 1/min
Mass≈m103.5 kg228.178 lbs
Mounting dimensions3 parameters
Mounting dimensions
ParameterSymbolValue
Minimum diameter shaft shoulderda min474.6 mm18.685 in
Maximum diameter of housing shoulderDa max605.4 mm23.835 in
Maximum recess radiusra max3 mm0.118 in
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Minimum chamfer dimensionrmin4 mm0.157 in
Bore diameter outer ringD1573.3 mm22.571 in
Diameter lubrication holeds12.5 mm0.492 in
Width of lubricating groovens23.5 mm0.925 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 Ye0.18
Dynamic axial load factorY13.85
Dynamic axial load factorY25.73
Static axial load factorY03.76
Capabilities & suitability9 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
LargebearingYes
StaticangularerrorandmisalignmentYes
DynamicangularerrorandmisalignmentYes
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code389957
BrandFAG
Base Type23992
Old Designation["23992B.MB.C2"]
X Life Markingn.r.
SAP material number0190434140020
Base product2305091131
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionSpherical roller bearing 239..-B-MB, symmetric 3 ribs
Short DescriptionSpherical Roller Bearing
Technical Data21 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)460 mm
Outside Diamater (D)620 mm
Total Width (B)118 mm
Basic Dynamic Load Rating, Radial (Cr)2,270,000 N
Basic Static Load Rating, Radial (C0R)5,400,000 N
Diameter Lubrication Hole (Ds)12.5 mm
Operating Temperature Min. (Tmin)-30 °C
Minimum Diameter Shaft Shoulder (Da)474.6 mm
Operating Temperature Max. (Tmax)200 °C
Limiting Speed (Limiting Spe)1,080 1/min
Reference Speed (Nϑr)590 1/min
Maximum Recess Radius (Ra Max)3 mm
Maximum Diameter Of Housing Shoulder (Da)605.4 mm
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)0.18
Width Of Lubricating Groove (Ns)23.5 mm
Dynamic Axial Load Factor (Y1)3.85
Bore Diameter Outer Ring (D1)573.3 mm
Minimum Chamfer Dimension (Rmin)4 mm
Static Axial Load Factor (Y0)3.76
Dynamic Axial Load Factor (Y2)5.73
Fatigue Load Limit, Radial (Cur)380,000 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
FAG 23992-B-MB-C2
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