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S 61902 E TA Angular Contact Bearing

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Part Number S 61902 E 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] 15
Outer Diameter D [mm] 28
Width B [mm] 7
Pitch Circle Diameter dm [mm] 21.500
Ball Diameter Dw [mm] 3.970
OD Inner Ring d1 [mm] 18.700
ID Outer Ring D1 [mm] 24.300
ID Outer Ring - Open Side D2 [mm] 25.400
Chamfer r1,2 [mm] 0.300
Chamfer - Open Side r3,4 [mm] 0.300


Limiting Speed: Oil Lub. noil [RPM] 67,000
Limiting Speed: Grease Lub. ngrease [RPM] 50,000
Dynamic Radial Load Rating C [N] 4,300
Static Radial Load Rating - Steel Balls C0 [N] 2,330
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 1,640

Geometric Data

Number of Balls Z [qty] 13
Contact Angle a0 [°] 25
Bearing Weight m [kg] 0.015

Mating Part Dimensions

Chamfer Associated Component ra max [mm] 0.300
Chamfer Associated Component - Open Side rb max [mm] 0.100
Abutment Diameter Inner Ring da min [mm] 17.500
Abutment Diameter Outer Ring Da max [mm] 25.500

Bearing Preload Data

Light Pre-Load Fv [N] 35
Light Axial Rigidity Cax [N/µm] 44
Medium Pre-Load Fv [N] 110
Medium Axial Rigidity Cax [N/µm] 68
Heavy Pre-Load Fv [N] 220
Heavy Axial Rigidity Cax [N/µm] 89
Minimum Spring Pre-Load Ff [N] 160
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