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KH 61913 C TA Angular Contact Bearing

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Part Number KH 61913 C TA
Series KH
Bearing Type Angular Contact


Bore Diameter d [mm] 65
Outer Diameter D [mm] 90
Width B [mm] 13
Pitch Circle Diameter dm [mm] 77.50
Ball Diameter Dw [mm] 5.56
OD Inner Ring d1 [mm] 73.10
OD Inner Ring - Open Side d2 [mm] 71.80
ID Outer Ring D1 [mm] 82.90
ID Outer Ring - Open Side D2 [mm] 84.50
Chamfer r1,2 [mm] 1
Chamfer - Open Side r3,4 [mm] 0.30


Limiting Speed: Oil Lub. noil [RPM] 27,500
Limiting Speed: Grease Lub. ngrease [RPM] 20,500
Dynamic Radial Load Rating C [N] 10,600
Static Radial Load Rating - Steel Balls C0 [N] 8,600
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 6,050

Geometric Data

Number of Balls Z [qty] 34
Contact Angle a0 [°] 17
Bearing Weight m [kg] 0.21

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] 70
Abutment Diameter Outer Ring Da max [mm] 85

Bearing Preload Data

Light Pre-Load Fv [N] 55
Light Axial Rigidity Cax [N/µm] 56
Medium Pre-Load Fv [N] 160
Medium Axial Rigidity Cax [N/µm] 83
Heavy Pre-Load Fv [N] 320
Heavy Axial Rigidity Cax [N/µm] 110
Minimum Spring Pre-Load Ff [N] 380
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