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S 61912 E TA Steel Angular Contact Bearing

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Part Number S 61912 E TA
Series S
Bearing Type Angular Contact
Ball Material Steel
Ring Material 100 Cr 6 (SAE 52100)
GMN's S series angular contact bearing dimension drawing. 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] 72.500
Ball Diameter Dw [mm] 7.144
OD Inner Ring d1 [mm] 68.100
ID Outer Ring D1 [mm] 76.900
ID Outer Ring (Open Side) D2 [mm] 79.700
Chamfer rs [mm] 1
Chamfer (Open Side) r1s [mm] 0.300

Ratings

Limiting Speed: Oil Lub. noil [RPM] 20,000
Limiting Speed: Grease Lub. ngrease [RPM] 15,000
Dynamic Radial Load Rating Cr [N] 18,100
Static Radial Load Rating - Steel Balls C0r [N] 18,100
Fatigue Load Limit Cur [N] 941

Geometric Data

Number of Balls Z [qty] 23
Contact Angle a0 [°] 25
Bearing Weight m [kg] 0.190

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] 64.900
Abutment Diameter Outer Ring Da max [mm] 80.500
Abutment Diameter Outer Ring Db max [mm] 81.800
Oil Nozzle Position dT [mm] 70.400

Bearing Preload Data

Light Pre-Load Fv L [N] 150
Light Axial Rigidity Cax L [N/µm] 135
Medium Pre-Load Fv M [N] 460
Medium Axial Rigidity Cax M [N/µm] 206
Heavy Pre-Load Fv S [N] 920
Heavy Axial Rigidity Cax S [N/µm] 273
Minimum Spring Pre-Load Ff [N] 1,780
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