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KH 61910 C TA Angular Contact Bearing

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Part Number KH 61910 C TA
Series KH
Bearing Type Angular Contact


Bore Diameter d [mm] 50
Outer Diameter D [mm] 72
Width B [mm] 12
Pitch Circle Diameter dm [mm] 61
Ball Diameter Dw [mm] 4.76
OD Inner Ring d1 [mm] 56.80
OD Inner Ring - Open Side d2 [mm] 55.30
ID Outer Ring D1 [mm] 65.20
ID Outer Ring - Open Side D2 [mm] 66.70
Chamfer r1,2 [mm] 0.60
Chamfer - Open Side r3,4 [mm] 0.30


Limiting Speed: Oil Lub. noil [RPM] 35,000
Limiting Speed: Grease Lub. ngrease [RPM] 26,000
Dynamic Radial Load Rating C [N] 7,500
Static Radial Load Rating - Steel Balls C0 [N] 5,550
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 3,900

Geometric Data

Number of Balls Z [qty] 30
Contact Angle a0 [°] 17
Bearing Weight m [kg] 0.13

Mating Part Dimensions

Chamfer Associated Component ra max [mm] 0.60
Chamfer Associated Component - Open Side rb max [mm] 0.15
Abutment Diameter Inner Ring da min [mm] 55
Abutment Diameter Outer Ring Da max [mm] 67.50

Bearing Preload Data

Light Pre-Load Fv [N] 40
Light Axial Rigidity Cax [N/µm] 44
Medium Pre-Load Fv [N] 110
Medium Axial Rigidity Cax [N/µm] 64
Heavy Pre-Load Fv [N] 230
Heavy Axial Rigidity Cax [N/µm] 86
Minimum Spring Pre-Load Ff [N] 270
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