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SM 61910 C TA Angular Contact Bearing

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Part Number SM 61910 C TA
Series SM
Bearing Type Angular Contact
GMN's S series angular contact bearing dimension drawing. Drawing of bearing dimensions with blue lines indicating diameter measurements corresponding to numbers in the data tables.


Bore Diameter d [mm] 50
Outer Diameter D [mm] 72
Width B [mm] 12
Pitch Circle Diameter dm [mm] 61
Ball Diameter Dw [mm] 6.350
OD Inner Ring d1 [mm] 56.800
ID Outer Ring D1 [mm] 65.200
ID Outer Ring - Open Side D2 [mm] 67.200
Chamfer r1,2 [mm] 0.600
Chamfer - Open Side r3,4 [mm] 0.300


Limiting Speed: Oil Lub. noil [RPM] 33,000
Limiting Speed: Grease Lub. ngrease [RPM] 24,500
Dynamic Radial Load Rating C [N] 10,900
Static Radial Load Rating - Steel Balls C0 [N] 7,200
Static Radial Load Rating - Si3N4 Balls C0 HY [N] 5,100

Geometric Data

Number of Balls Z [qty] 21
Contact Angle a0 [°] 17
Bearing Weight m [kg] 0.129

Mating Part Dimensions

Chamfer Associated Component ra max [mm] 0.600
Chamfer Associated Component - Open Side rb max [mm] 0.150
Abutment Diameter Inner Ring da min [mm] 55
Abutment Diameter Outer Ring Da max [mm] 67.500

Bearing Preload Data

Light Pre-Load Fv [N] 55
Light Axial Rigidity Cax [N/µm] 44
Medium Pre-Load Fv [N] 170
Medium Axial Rigidity Cax [N/µm] 67
Heavy Pre-Load Fv [N] 330
Heavy Axial Rigidity Cax [N/µm] 89
Minimum Spring Pre-Load Ff [N] 375
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