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KH 61909 E TA Angular Contact Bearing

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Part Number KH 61909 E TA
Series KH
Bearing Type Angular Contact
GMN\'s KH series bearing dimension drawing. Drawing of bearing dimensions with blue lines indicating diameter measurements corresponding to numbers in the data tables.


Bore Diameter d [mm] 45
Outer Diameter D [mm] 68
Width B [mm] 12
Pitch Circle Diameter dm [mm] 56.500
Ball Diameter Dw [mm] 4.760
OD Inner Ring d1 [mm] 52.300
OD Inner Ring - Open Side d2 [mm] 50.800
ID Outer Ring D1 [mm] 60.700
ID Outer Ring - Open Side D2 [mm] 62.200
Chamfer r1,2 [mm] 0.600
Chamfer - Open Side r3,4 [mm] 0.300


Limiting Speed: Oil Lub. noil [RPM] 34,000
Limiting Speed: Grease Lub. ngrease [RPM] 25,500
Dynamic Radial Load Rating C [N] 6,950
Static Radial Load Rating - Steel Balls C0 [N] 4,900
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 3,450

Geometric Data

Number of Balls Z [qty] 28
Contact Angle a0 [°] 25
Bearing Weight m [kg] 0.128

Mating Part Dimensions

Chamfer Associated Component ra max [mm] 0.600
Chamfer Associated Component - Open Side rb max [mm] 0.150
Abutment Diameter Inner Ring da min [mm] 50
Abutment Diameter Outer Ring Da max [mm] 63.500

Bearing Preload Data

Light Pre-Load Fv [N] 60
Light Axial Rigidity Cax [N/µm] 86
Medium Pre-Load Fv [N] 170
Medium Axial Rigidity Cax [N/µm] 124
Heavy Pre-Load Fv [N] 350
Heavy Axial Rigidity Cax [N/µm] 162
Minimum Spring Pre-Load Ff [N] 335
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