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S 61801 C TA Angular Contact Bearing

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Part Number S 61801 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] 12
Outer Diameter D [mm] 21
Width B [mm] 5
Pitch Circle Diameter dm [mm] 16.500
Ball Diameter Dw [mm] 2.380
OD Inner Ring d1 [mm] 14.600
ID Outer Ring D1 [mm] 18
ID Outer Ring - Open Side D2 [mm] 18.600
Chamfer r1,2 [mm] 0.300
Chamfer - Open Side r3,4 [mm] 0.200


Limiting Speed: Oil Lub. noil [RPM] 105,000
Limiting Speed: Grease Lub. ngrease [RPM] 79,000
Dynamic Radial Load Rating C [N] 1,800
Static Radial Load Rating - Steel Balls C0 [N] 980
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 685

Geometric Data

Number of Balls Z [qty] 15
Contact Angle a0 [°] 15
Bearing Weight m [kg] 0.006

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] 14
Abutment Diameter Outer Ring Da max [mm] 19

Bearing Preload Data

Light Pre-Load Fv [N] 9
Light Axial Rigidity Cax [N/µm] 12
Medium Pre-Load Fv [N] 25
Medium Axial Rigidity Cax [N/µm] 18
Heavy Pre-Load Fv [N] 55
Heavy Axial Rigidity Cax [N/µm] 26
Minimum Spring Pre-Load Ff [N] 50
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