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S 61905 C TA Steel Angular Contact Bearing

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Part Number S 61905 C 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] 25
Outer Diameter D [mm] 42
Width B [mm] 9
Pitch Circle Diameter dm [mm] 34
Ball Diameter Dw [mm] 4.762
OD Inner Ring d1 [mm] 30.600
ID Outer Ring D1 [mm] 37.400
ID Outer Ring (Open Side) D2 [mm] 38.800
Chamfer rs [mm] 0.300
Chamfer (Open Side) r1s [mm] 0.300

Ratings

Limiting Speed: Oil Lub. noil [RPM] 50,000
Limiting Speed: Grease Lub. ngrease [RPM] 38,000
Dynamic Radial Load Rating Cr [N] 7,700
Static Radial Load Rating - Steel Balls C0r [N] 5,450
Fatigue Load Limit Cur [N] 282

Geometric Data

Number of Balls Z [qty] 17
Contact Angle a0 [°] 15
Bearing Weight m [kg] 0.040

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] 27.400
Abutment Diameter Outer Ring Da max [mm] 40.100
Abutment Diameter Outer Ring Db max [mm] 40.100
Oil Nozzle Position dT [mm] 32.400

Bearing Preload Data

Light Pre-Load Fv L [N] 40
Light Axial Rigidity Cax L [N/µm] 29
Medium Pre-Load Fv M [N] 120
Medium Axial Rigidity Cax M [N/µm] 48
Heavy Pre-Load Fv S [N] 240
Heavy Axial Rigidity Cax S [N/µm] 67
Minimum Spring Pre-Load Ff [N] 310
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