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HY S 61921 E TA Angular Contact Bearing

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Part Number HY S 61921 E TA
Series S
Bearing Type Angular Contact


Bore Diameter d [mm] 105
Outer Diameter D [mm] 145
Width B [mm] 20
Pitch Circle Diameter dm [mm] 125
Ball Diameter Dw [mm] 11.91
OD Inner Ring d1 [mm] 117.80
ID Outer Ring D1 [mm] 132.20
ID Outer Ring - Open Side D2 [mm] 137
Chamfer r1,2 [mm] 0.60
Chamfer - Open Side r3,4 [mm] 0.60


Limiting Speed: Oil Lub. noil [RPM] 14,375
Limiting Speed: Grease Lub. ngrease [RPM] 10,750
Dynamic Radial Load Rating C [N] 49,500
Static Radial Load Rating - Steel Balls C0 [N] 56,500
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 40,000

Geometric Data

Number of Balls Z [qty] 26
Contact Angle a0 [°] 25
Bearing Weight m [kg] 0.83

Mating Part Dimensions

Chamfer Associated Component ra max [mm] 0.60
Chamfer Associated Component - Open Side rb max [mm] 0.60
Abutment Diameter Inner Ring da min [mm] 112
Abutment Diameter Outer Ring Da max [mm] 138

Bearing Preload Data

Light Pre-Load Fv [N] 420
Light Axial Rigidity Cax [N/µm] 248
Medium Pre-Load Fv [N] 1,250
Medium Axial Rigidity Cax [N/µm] 375
Heavy Pre-Load Fv [N] 2,510
Heavy Axial Rigidity Cax [N/µm] 495
Minimum Spring Pre-Load Ff [N] 1,800
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