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S 61808 C TA Steel Angular Contact Bearing

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Part Number S 61808 C TA
Series S
Bearing Type Angular Contact
Ball Material Steel
Ring Material 100 Cr 6 (SAE 52100)
GMN's S series angular contact bearing dimension drawing. GMN Bearing USA GMN Bearing USA

Dimensions

Bore Diameter d [mm] 40
Outer Diameter D [mm] 52
Width B [mm] 7
Pitch Circle Diameter dm [mm] 46
Ball Diameter Dw [mm] 3.175
OD Inner Ring d1 [mm] 43.900
ID Outer Ring D1 [mm] 48.100
ID Outer Ring (Open Side) D2 [mm] 49.200
Chamfer rs [mm] 0.300
Chamfer (Open Side) r1s [mm] 0.300

Ratings

Limiting Speed: Oil Lub. noil [RPM] 37,000
Limiting Speed: Grease Lub. ngrease [RPM] 27,500
Dynamic Radial Load Rating Cr [N] 4,050
Static Radial Load Rating - Steel Balls C0r [N] 3,950
Fatigue Load Limit Cur [N] 206

Geometric Data

Number of Balls Z [qty] 26
Contact Angle a0 [°] 15
Bearing Weight m [kg] 0.030

Mating Part Dimensions

Chamfer Associated Component ra max [mm] 0.300
Chamfer Associated Component (Open Side) rb max [mm] 0.300
Abutment Diameter Inner Ring da,b min [mm] 41.600
Abutment Diameter Outer Ring Da max [mm] 50.500
Abutment Diameter Outer Ring Db max [mm] 50.500
Oil Nozzle Position dT [mm] 44.900

Bearing Preload Data

Light Pre-Load Fv L [N] 21
Light Axial Rigidity Cax L [N/µm] 26
Medium Pre-Load Fv M [N] 60
Medium Axial Rigidity Cax M [N/µm] 41
Heavy Pre-Load Fv S [N] 120
Heavy Axial Rigidity Cax S [N/µm] 56
Minimum Spring Pre-Load Ff [N] 220
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