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S 61803 C TA Angular Contact Bearing

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Part Number S 61803 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] 17
Outer Diameter D [mm] 26
Width B [mm] 5
Pitch Circle Diameter dm [mm] 21.500
Ball Diameter Dw [mm] 2.380
OD Inner Ring d1 [mm] 19.800
ID Outer Ring D1 [mm] 23.200
ID Outer Ring - Open Side D2 [mm] 23.800
Chamfer r1,2 [mm] 0.300
Chamfer - Open Side r3,4 [mm] 0.200


Limiting Speed: Oil Lub. noil [RPM] 79,000
Limiting Speed: Grease Lub. ngrease [RPM] 59,000
Dynamic Radial Load Rating C [N] 2,000
Static Radial Load Rating - Steel Balls C0 [N] 1,310
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 920

Geometric Data

Number of Balls Z [qty] 19
Contact Angle a0 [°] 15
Bearing Weight m [kg] 0.008

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] 19
Abutment Diameter Outer Ring Da max [mm] 24

Bearing Preload Data

Light Pre-Load Fv [N] 10
Light Axial Rigidity Cax [N/µm] 14
Medium Pre-Load Fv [N] 30
Medium Axial Rigidity Cax [N/µm] 22
Heavy Pre-Load Fv [N] 60
Heavy Axial Rigidity Cax [N/µm] 31
Minimum Spring Pre-Load Ff [N] 55
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