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S 61808 C TA Angular Contact Bearing

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Part Number S 61808 C TA
Series S
Bearing Type Angular Contact
GMN's S series angular contact bearing dimension drawing. Drawing of bearing dimensions with blue lines indicating diameter measurements corresponding to numbers in the data tables.


Bore Diameter d [mm] 40
Outer Diameter D [mm] 52
Width B [mm] 7
Pitch Circle Diameter dm [mm] 46
Ball Diameter Dw [mm] 3.170
OD Inner Ring d1 [mm] 43.900
ID Outer Ring D1 [mm] 48.100
ID Outer Ring - Open Side D2 [mm] 49.100
Chamfer r1,2 [mm] 0.300
Chamfer - Open Side r3,4 [mm] 0.300


Limiting Speed: Oil Lub. noil [RPM] 37,000
Limiting Speed: Grease Lub. ngrease [RPM] 27,500
Dynamic Radial Load Rating C [N] 4,050
Static Radial Load Rating - Steel Balls C0 [N] 3,950
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 2,750

Geometric Data

Number of Balls Z [qty] 26
Contact Angle a0 [°] 15
Bearing Weight m [kg] 0.031

Mating Part Dimensions

Chamfer Associated Component ra max [mm] 0.300
Chamfer Associated Component - Open Side rb max [mm] 0.150
Abutment Diameter Inner Ring da min [mm] 43
Abutment Diameter Outer Ring Da max [mm] 49

Bearing Preload Data

Light Pre-Load Fv [N] 21
Light Axial Rigidity Cax [N/µm] 27
Medium Pre-Load Fv [N] 60
Medium Axial Rigidity Cax [N/µm] 41
Heavy Pre-Load Fv [N] 120
Heavy Axial Rigidity Cax [N/µm] 57
Minimum Spring Pre-Load Ff [N] 105
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