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HY S 61911 E TA Angular Contact Bearing

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Part Number HY S 61911 E TA
Series S
Bearing Type Angular Contact


Bore Diameter d [mm] 55
Outer Diameter D [mm] 80
Width B [mm] 13
Pitch Circle Diameter dm [mm] 67.50
Ball Diameter Dw [mm] 7.14
OD Inner Ring d1 [mm] 63.10
ID Outer Ring D1 [mm] 71.90
ID Outer Ring - Open Side D2 [mm] 74.50
Chamfer r1,2 [mm] 1
Chamfer - Open Side r3,4 [mm] 0.30


Limiting Speed: Oil Lub. noil [RPM] 26,875
Limiting Speed: Grease Lub. ngrease [RPM] 20,000
Dynamic Radial Load Rating C [N] 17,400
Static Radial Load Rating - Steel Balls C0 [N] 16,200
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 11,400

Geometric Data

Number of Balls Z [qty] 21
Contact Angle a0 [°] 25
Bearing Weight m [kg] 0.18

Mating Part Dimensions

Chamfer Associated Component ra max [mm] 0.60
Chamfer Associated Component - Open Side rb max [mm] 0.30
Abutment Diameter Inner Ring da min [mm] 60
Abutment Diameter Outer Ring Da max [mm] 75

Bearing Preload Data

Light Pre-Load Fv [N] 150
Light Axial Rigidity Cax [N/µm] 130
Medium Pre-Load Fv [N] 440
Medium Axial Rigidity Cax [N/µm] 193
Heavy Pre-Load Fv [N] 880
Heavy Axial Rigidity Cax [N/µm] 257
Minimum Spring Pre-Load Ff [N] 635
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