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FAG / Radial insert ball bearing

FAG UC208-25

Radial insert ball bearing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
39.688 mm
Outside diameterD
80 mm
WidthB
49.2 mm
Dynamic load ratingC
34.5 kN
Static load ratingC0
19.8 kN
Mass≈m
0.63 kg

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
Bore diameterd39.688 mm
Outside diameterD80 mm
WidthB49.2 mm
Basic dynamic load ratingC34.5 kN
Basic static load ratingC019.8 kN
Fatigue load limitPu1.03 kN
Mass≈m0.63 kg
Minimum operating temperatureTmin-20 °C
Maximum operating temperatureTmax100 °C
Main Dimensions & Performance Data8 parameters
Main Dimensions & Performance Data
ParameterSymbolValue
Bore diameterd39.688 mm1.563 in
Bore diameter, inchd39.688 mm1.562 in
Outside diameterDSP80 mm3.15 in
WidthB49.2 mm1.937 in
Basic static load rating, radialC0r19,800 N4,451.439 lbf
Fatigue load limit, radialCur1,030 N231.565 lbf
Basic dynamic load rating, radialCr34,500 N7,756.295 lbf
Mass≈m0.63 kg1.389 lbs
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Width, outer ringC21 mm0.827 in
Sealing total widthC221.6 mm0.85 in
Distance racewayS19 mm0.748 in
Rib diameter inner ringd152.27 mm2.058 in
Distance to lubrication holeCa6.2 mm0.244 in
Distance threadA8 mm0.315 in
Temperature range2 parameters
Temperature range
ParameterSymbolValue
Operating temperature min.Tmin-20 °C-4 °F
Operating temperature max.Tmax100 °C212 °F
Calculation factors1 parameter
Calculation factors
ParameterSymbolValue
Calculation factorf013.6
Capabilities & suitability7 parameters
Capabilities & suitability
ParameterSymbolValue
Radial load capacityYes
Axial load capacity in one directionYes
Axial load capacity in both directionsYes
LifetimelubricationfreedomfrommaintenanceYes
Suitable for grease lubricationYes
SealedonbothsidesYes
StaticangularerrorandmisalignmentYes
Manufacturer Identity8 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code358646
BrandFAG
Base TypeUC208-25
X Life Markingn.r.
SAP material number0703005180000
Base product2305080204
Bearing X designationUC208-25
Mounting Manager IDUC208-25
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionRadial insert ball bearings UC, spherical outer ring, location by grub screws, RSR seals on both sides
Short DescriptionRadial insert ball bearing
Technical Data16 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)39.688 mm
Outside Diameter (Dsp)80 mm
Total Width (B)49.2 mm
Basic Dynamic Load Rating, Radial (Cr)34,500 N
Basic Static Load Rating, Radial (C0R)19,800 N
Operating Temperature Min. (Tmin)-20 °C
Operating Temperature Max. (Tmax)100 °C
Distance To Lubrication Hole (Ca)6.2 mm
Width, Outer Ring (C)21 mm
Calculation Factor (F0)13.6
Rib Diameter Inner Ring (D1)52.27 mm
Sealing Total Width (C2)21.6 mm
Distance Thread (A)8 mm
Distance Raceway (S)19 mm
Bore Diameter, Inch (D)1.562 in
Fatigue Load Limit, Radial (Cur)1,030 N

Technical documents & data sheet

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Record identity
FAG UC208-25
Document matching
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