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KH 61901 C TA Angular Contact Bearing

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Part Number KH 61901 C TA
Series KH
Bearing Type Angular Contact


Bore Diameter d [mm] 12
Outer Diameter D [mm] 24
Width B [mm] 6
Pitch Circle Diameter dm [mm] 18
Ball Diameter Dw [mm] 2.38
OD Inner Ring d1 [mm] 15.40
OD Inner Ring - Open Side d2 [mm] 15.10
ID Outer Ring D1 [mm] 19.60
ID Outer Ring - Open Side D2 [mm] 20.30
Chamfer r1,2 [mm] 0.30
Chamfer - Open Side r3,4 [mm] 0.30


Limiting Speed: Oil Lub. noil [RPM] 120,000
Limiting Speed: Grease Lub. ngrease [RPM] 90,000
Dynamic Radial Load Rating C [N] 1,480
Static Radial Load Rating - Steel Balls C0 [N] 650
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 455

Geometric Data

Number of Balls Z [qty] 15
Contact Angle a0 [°] 17
Bearing Weight m [kg] 0.01

Mating Part Dimensions

Chamfer Associated Component ra max [mm] 0.30
Chamfer Associated Component - Open Side rb max [mm] 0.10
Abutment Diameter Inner Ring da min [mm] 14.50
Abutment Diameter Outer Ring Da max [mm] 21.50

Bearing Preload Data

Light Pre-Load Fv [N] 7
Light Axial Rigidity Cax [N/µm] 12
Medium Pre-Load Fv [N] 22
Medium Axial Rigidity Cax [N/µm] 19
Heavy Pre-Load Fv [N] 45
Heavy Axial Rigidity Cax [N/µm] 26
Minimum Spring Pre-Load Ff [N] 55
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