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HY SM 61901 C TA Angular Contact Bearing

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Part Number HY SM 61901 C TA
Series SM
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] 24
Width B [mm] 6
Pitch Circle Diameter dm [mm] 18
Ball Diameter Dw [mm] 3.170
OD Inner Ring d1 [mm] 15.400
ID Outer Ring D1 [mm] 19.600
ID Outer Ring - Open Side D2 [mm] 20.600
Chamfer r1,2 [mm] 0.300
Chamfer - Open Side r3,4 [mm] 0.300


Limiting Speed: Oil Lub. noil [RPM] 143,750
Limiting Speed: Grease Lub. ngrease [RPM] 107,500
Dynamic Radial Load Rating C [N] 2,330
Static Radial Load Rating - Steel Balls C0 [N] 990
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 695

Geometric Data

Number of Balls Z [qty] 13
Contact Angle a0 [°] 15
Bearing Weight m [kg] 0.011

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] 14.500
Abutment Diameter Outer Ring Da max [mm] 21.500

Bearing Preload Data

Light Pre-Load Fv [N] 12
Light Axial Rigidity Cax [N/µm] 13
Medium Pre-Load Fv [N] 35
Medium Axial Rigidity Cax [N/µm] 19
Heavy Pre-Load Fv [N] 70
Heavy Axial Rigidity Cax [N/µm] 26
Minimum Spring Pre-Load Ff [N] 70
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