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FAG / Spherical roller bearings

FAG 240/850-B-K30-MB

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

Technical data available
Bore diameterd
850 mm
Outside diameterD
1220 mm
WidthB
365 mm
Dynamic load ratingC
12800 kN
Static load ratingC0
32000 kN
Limiting speednG
390 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
Series240/850
Bore diameterd850 mm
Outside diameterD1220 mm
WidthB365 mm
Basic dynamic load ratingC12800 kN
Basic static load ratingC032000 kN
Fatigue load limitPu2110 kN
Reference speednref173 r/min
Limiting speednG390 r/min
Mass≈m1400 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 typeK30Tapered, taper 1:30
CageMBSolid brass cage
Radial internal clearanceCN (Group N)Normal internal clearance
Relubrication featureStandard
Main Dimensions & Performance Data9 parameters
Main Dimensions & Performance Data
ParameterSymbolValue
Bore diameterd850 mm33.465 in
Outside diameterD1,220 mm48.031 in
WidthB365 mm14.37 in
Basic dynamic load rating, radialCr12,800,000 N2,877,697.842 lbf
Basic static load rating, radialC0r32,000,000 N7,194,244.604 lbf
Fatigue load limit, radialCur2,110,000 N474,370.504 lbf
Limiting speednG390 1/min
Reference speednϑr173 1/min
Mass≈m1,400 kg3,086.468 lbs
Mounting dimensions3 parameters
Mounting dimensions
ParameterSymbolValue
Minimum diameter shaft shoulderda min878 mm34.567 in
Maximum diameter of housing shoulderDa max1,192 mm46.929 in
Maximum recess radiusra max6 mm0.236 in
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Minimum chamfer dimensionrmin7.5 mm0.295 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 Ye0.29
Dynamic axial load factorY12.33
Dynamic axial load factorY23.47
Static axial load factorY02.28
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 Identity6 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code1025499
BrandFAG
Base Type240/850
X Life Markingn.r.
SAP material number0382059200000
Base product2305091131
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionSpherical roller bearing 240..-B-K30-MB, symmetric 3 ribs
Short DescriptionSpherical Roller Bearing
Additional information1 parameter
Additional information
ParameterSymbolValue
Withdrawal sleeveAH240/850-H
Technical Data20 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)850 mm
Outside Diamater (D)1,220 mm
Total Width (B)365 mm
Basic Dynamic Load Rating, Radial (Cr)12,800,000 N
Basic Static Load Rating, Radial (C0R)32,000,000 N
Diameter Lubrication Hole (Ds)12.5 mm
Operating Temperature Min. (Tmin)-30 °C
Minimum Diameter Shaft Shoulder (Da)878 mm
Operating Temperature Max. (Tmax)200 °C
Limiting Speed (Limiting Spe)390 1/min
Reference Speed (Nϑr)173 1/min
Maximum Recess Radius (Ra Max)6 mm
Maximum Diameter Of Housing Shoulder (Da)1,192 mm
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)0.29
Width Of Lubricating Groove (Ns)23.5 mm
Dynamic Axial Load Factor (Y1)2.33
Minimum Chamfer Dimension (Rmin)7.5 mm
Static Axial Load Factor (Y0)2.28
Dynamic Axial Load Factor (Y2)3.47
Fatigue Load Limit, Radial (Cur)2,110,000 N

Technical documents & data sheet

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Record identity
FAG 240/850-B-K30-MB
Document matching
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