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HY KH 61911 E TA Angular Contact Bearing

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Part Number HY KH 61911 E TA
Series KH
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] 5.56
OD Inner Ring d1 [mm] 63.10
OD Inner Ring - Open Side d2 [mm] 61.80
ID Outer Ring D1 [mm] 72.90
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] 35,625
Limiting Speed: Grease Lub. ngrease [RPM] 26,875
Dynamic Radial Load Rating C [N] 9,600
Static Radial Load Rating - Steel Balls C0 [N] 7,150
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 5,050

Geometric Data

Number of Balls Z [qty] 30
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] 80
Light Axial Rigidity Cax [N/µm] 104
Medium Pre-Load Fv [N] 240
Medium Axial Rigidity Cax [N/µm] 154
Heavy Pre-Load Fv [N] 480
Heavy Axial Rigidity Cax [N/µm] 199
Minimum Spring Pre-Load Ff [N] 460
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