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HY KH 61912 E TA Ceramic Angular Contact Bearing

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Part Number HY KH 61912 E TA
Series KH
Bearing Type Angular Contact
Ball Material Ceramic (Si3N4)
Hybrid (Si3N4 Balls) 1
Ring Material Silicon Nitride (Si3N4)
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] 33,000
Limiting Speed: Grease Lub. ngrease [RPM] 25,000
Dynamic Radial Load Rating Cr [N] 9,800
Static Radial Load Rating - Steel Balls C0r [N] 7,400
Fatigue Load Limit Cur [N] 281

Geometric Data

Number of Balls Z [qty] 32
Contact Angle a0 [°] 25
Bearing Weight m [kg] 0.185

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] 80
Light Axial Rigidity Cax L [N/µm] 121
Medium Pre-Load Fv M [N] 240
Medium Axial Rigidity Cax M [N/µm] 177
Heavy Pre-Load Fv S [N] 490
Heavy Axial Rigidity Cax S [N/µm] 230
Minimum Spring Pre-Load Ff [N] 530
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