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S 61805 E TA Angular Contact Bearing

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Part Number S 61805 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] 25
Outer Diameter D [mm] 37
Width B [mm] 7
Pitch Circle Diameter dm [mm] 31
Ball Diameter Dw [mm] 3.170
OD Inner Ring d1 [mm] 28.900
ID Outer Ring D1 [mm] 33.100
ID Outer Ring - Open Side D2 [mm] 34.100
Chamfer r1,2 [mm] 0.300
Chamfer - Open Side r3,4 [mm] 0.300


Limiting Speed: Oil Lub. noil [RPM] 47,000
Limiting Speed: Grease Lub. ngrease [RPM] 35,000
Dynamic Radial Load Rating C [N] 3,450
Static Radial Load Rating - Steel Balls C0 [N] 2,600
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 1,830

Geometric Data

Number of Balls Z [qty] 19
Contact Angle a0 [°] 25
Bearing Weight m [kg] 0.021

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] 28
Abutment Diameter Outer Ring Da max [mm] 34

Bearing Preload Data

Light Pre-Load Fv [N] 30
Light Axial Rigidity Cax [N/µm] 51
Medium Pre-Load Fv [N] 90
Medium Axial Rigidity Cax [N/µm] 76
Heavy Pre-Load Fv [N] 170
Heavy Axial Rigidity Cax [N/µm] 98
Minimum Spring Pre-Load Ff [N] 130
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