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S 61906 C TA Angular Contact Bearing

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Part Number S 61906 C TA
Series S
Bearing Type Angular Contact


Bore Diameter d [mm] 30
Outer Diameter D [mm] 47
Width B [mm] 9
Pitch Circle Diameter dm [mm] 38.50
Ball Diameter Dw [mm] 4.76
OD Inner Ring d1 [mm] 35.10
ID Outer Ring D1 [mm] 41.90
ID Outer Ring - Open Side D2 [mm] 43.20
Chamfer r1,2 [mm] 0.30
Chamfer - Open Side r3,4 [mm] 0.30


Limiting Speed: Oil Lub. noil [RPM] 44,000
Limiting Speed: Grease Lub. ngrease [RPM] 33,000
Dynamic Radial Load Rating C [N] 7,800
Static Radial Load Rating - Steel Balls C0 [N] 5,850
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 4,100

Geometric Data

Number of Balls Z [qty] 18
Contact Angle a0 [°] 15
Bearing Weight m [kg] 0.05

Mating Part Dimensions

Chamfer Associated Component ra max [mm] 0.30
Chamfer Associated Component - Open Side rb max [mm] 0.15
Abutment Diameter Inner Ring da min [mm] 33
Abutment Diameter Outer Ring Da max [mm] 43.50

Bearing Preload Data

Light Pre-Load Fv [N] 40
Light Axial Rigidity Cax [N/µm] 30
Medium Pre-Load Fv [N] 120
Medium Axial Rigidity Cax [N/µm] 50
Heavy Pre-Load Fv [N] 240
Heavy Axial Rigidity Cax [N/µm] 69
Minimum Spring Pre-Load Ff [N] 200
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