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HY SM 61903 C TA Ceramic Angular Contact Bearing

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Part Number HY SM 61903 C TA
Series SM
Bearing Type Angular Contact
Ball Material Ceramic (Si3N4)
Hybrid (Si3N4 Balls) 1
Ring Material Silicon Nitride (Si3N4)
GMN's S series angular contact bearing dimension drawing. GMN Bearing USA GMN Bearing USA

Dimensions

Bore Diameter d [mm] 17
Outer Diameter D [mm] 30
Width B [mm] 7
Pitch Circle Diameter dm [mm] 23.500
Ball Diameter Dw [mm] 3.969
OD Inner Ring d1 [mm] 21
ID Outer Ring D1 [mm] 26.600
ID Outer Ring (Open Side) D2 [mm] 27.800
Chamfer rs [mm] 0.300
Chamfer (Open Side) r1s [mm] 0.300

Ratings

Limiting Speed: Oil Lub. noil [RPM] 105,000
Limiting Speed: Grease Lub. ngrease [RPM] 79,000
Dynamic Radial Load Rating Cr [N] 3,750
Static Radial Load Rating - Steel Balls C0r [N] 1,690
Fatigue Load Limit Cur [N] 64

Geometric Data

Number of Balls Z [qty] 14
Contact Angle a0 [°] 15
Bearing Weight m [kg] 0.014

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] 19.100
Abutment Diameter Outer Ring Da max [mm] 28.300
Abutment Diameter Outer Ring Db max [mm] 28.300
Oil Nozzle Position dT [mm] 22.500

Bearing Preload Data

Light Pre-Load Fv L [N] 19
Light Axial Rigidity Cax L [N/µm] 18
Medium Pre-Load Fv M [N] 55
Medium Axial Rigidity Cax M [N/µm] 27
Heavy Pre-Load Fv S [N] 110
Heavy Axial Rigidity Cax S [N/µm] 37
Minimum Spring Pre-Load Ff [N] 70
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