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KH 61905 C TA Angular Contact Bearing

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Part Number KH 61905 C TA
Series KH
Bearing Type Angular Contact


Bore Diameter d [mm] 25
Outer Diameter D [mm] 42
Width B [mm] 9
Pitch Circle Diameter dm [mm] 33.50
Ball Diameter Dw [mm] 3.97
OD Inner Ring d1 [mm] 30.60
OD Inner Ring - Open Side d2 [mm] 30
ID Outer Ring D1 [mm] 37.20
ID Outer Ring - Open Side D2 [mm] 38.50
Chamfer r1,2 [mm] 0.30
Chamfer - Open Side r3,4 [mm] 0.30


Limiting Speed: Oil Lub. noil [RPM] 63,000
Limiting Speed: Grease Lub. ngrease [RPM] 47,000
Dynamic Radial Load Rating C [N] 4,250
Static Radial Load Rating - Steel Balls C0 [N] 2,330
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 1,640

Geometric Data

Number of Balls Z [qty] 19
Contact Angle a0 [°] 17
Bearing Weight m [kg] 0.04

Mating Part Dimensions

Chamfer Associated Component ra max [mm] 0.30
Chamfer Associated Component - Open Side rb max [mm] 0.15
Abutment Diameter Inner Ring da min [mm] 28
Abutment Diameter Outer Ring Da max [mm] 38.50

Bearing Preload Data

Light Pre-Load Fv [N] 22
Light Axial Rigidity Cax [N/µm] 25
Medium Pre-Load Fv [N] 65
Medium Axial Rigidity Cax [N/µm] 38
Heavy Pre-Load Fv [N] 130
Heavy Axial Rigidity Cax [N/µm] 51
Minimum Spring Pre-Load Ff [N] 155
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