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KH 61904 C TA Steel Angular Contact Bearing

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Part Number KH 61904 C TA
Series KH
Bearing Type Angular Contact
Ball Material Steel
Ring Material 100 Cr 6 (SAE 52100)
GMN Bearing USA GMN Bearing USA GMN Bearing USA

Dimensions

Bore Diameter d [mm] 20
Outer Diameter D [mm] 37
Width B [mm] 9
Pitch Circle Diameter dm [mm] 27.900
Ball Diameter Dw [mm] 3.969
OD Inner Ring d1 [mm] 25.100
OD Inner Ring (Open Side) d2 [mm] 24.500
ID Outer Ring D1 [mm] 30.700
ID Outer Ring of Contact Surface D1Z [mm] 31.700
ID Outer Ring (Open Side) D2 [mm] 32
ID Outer Ring (Open Side) of Contact Surface D2Z [mm] 33
Chamfer rs [mm] 0.300
Chamfer (Open Side) r1s [mm] 0.300

Ratings

Limiting Speed: Oil Lub. noil [RPM] 75,000
Limiting Speed: Grease Lub. ngrease [RPM] 56,000
Dynamic Radial Load Rating Cr [N] 3,900
Static Radial Load Rating - Steel Balls C0r [N] 1,920
Fatigue Load Limit Cur [N] 100

Geometric Data

Number of Balls Z [qty] 16
Contact Angle a0 [°] 17
Bearing Weight m [kg] 0.036

Mating Part Dimensions

Chamfer Associated Component ra max [mm] 0.300
Chamfer Associated Component (Open Side) rb max [mm] 0.300
Abutment Diameter Inner Ring da,b min [mm] 22.100
Abutment Diameter Outer Ring Da max [mm] 35.400
Abutment Diameter Outer Ring Db max [mm] 35.400
Oil Nozzle Position dT [mm] 26.600

Bearing Preload Data

Light Pre-Load Fv L [N] 20
Light Axial Rigidity Cax L [N/µm] 22
Medium Pre-Load Fv M [N] 60
Medium Axial Rigidity Cax M [N/µm] 33
Heavy Pre-Load Fv S [N] 120
Heavy Axial Rigidity Cax S [N/µm] 44
Minimum Spring Pre-Load Ff [N] 120
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