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KH 61912 C TA Steel Angular Contact Bearing

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Part Number KH 61912 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] 60
Outer Diameter D [mm] 85
Width B [mm] 13
Pitch Circle Diameter dm [mm] 71.700
Ball Diameter Dw [mm] 5.556
OD Inner Ring d1 [mm] 68.100
OD Inner Ring (Open Side) d2 [mm] 66.800
ID Outer Ring D1 [mm] 75.800
ID Outer Ring of Contact Surface D1Z [mm] 77.900
ID Outer Ring (Open Side) D2 [mm] 77.400
ID Outer Ring (Open Side) of Contact Surface D2Z [mm] 79.500
Chamfer rs [mm] 1
Chamfer (Open Side) r1s [mm] 0.300

Ratings

Limiting Speed: Oil Lub. noil [RPM] 29,500
Limiting Speed: Grease Lub. ngrease [RPM] 22,000
Dynamic Radial Load Rating Cr [N] 10,300
Static Radial Load Rating - Steel Balls C0r [N] 8,200
Fatigue Load Limit Cur [N] 422

Geometric Data

Number of Balls Z [qty] 32
Contact Angle a0 [°] 17
Bearing Weight m [kg] 0.200

Mating Part Dimensions

Chamfer Associated Component ra max [mm] 1
Chamfer Associated Component (Open Side) rb max [mm] 0.300
Abutment Diameter Inner Ring da,b min [mm] 64.600
Abutment Diameter Outer Ring Da max [mm] 80.800
Abutment Diameter Outer Ring Db max [mm] 82.100
Oil Nozzle Position dT [mm] 70

Bearing Preload Data

Light Pre-Load Fv L [N] 50
Light Axial Rigidity Cax L [N/µm] 52
Medium Pre-Load Fv M [N] 160
Medium Axial Rigidity Cax M [N/µm] 80
Heavy Pre-Load Fv S [N] 310
Heavy Axial Rigidity Cax S [N/µm] 104
Minimum Spring Pre-Load Ff [N] 520
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