Product details from catalogue Inquiry

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3904 INA


d Bore diameter 20 mm
D Outside diameter 37 mm
B Width 13 mm
Cr Basic dynamic load rating, radial 9.100 N
C0r Basic static load rating, radial 6.800 N
Cur Fatigue load limit, radial 345 N
nG Limiting speed 20.000 1/min
nϑr Reference speed 12.100 1/min
≈m Weight 0,05 kg
da min Minimum diameter shaft shoulder 23,2 mm
Da max Maximum diameter of housing shoulder 33,8 mm
ra max Maximum fillet radius 0,6 mm
rmin Minimum chamfer dimension 0,6 mm
D2 Caliber diameter outer ring 33,2 mm
d2 Caliber diamter inner ring 24,25 mm
a Distance between the apexes of the pressure cones 18,766 mm
α Contact angle 25 °
Tmin Operating temperature min. -30 °C
Tmax Operating temperature max. 120 °C
Lubricant Bearing not greased. Without
Sealing open Without
Cage solid cage made of glass-fiber reinforced polyamid PA66 TVH
Tolerance class Normal (PN) PN
Axial internal clearance Group N (CN) CN
Dimensional / heat stabilization Rings dimensional stabilized up to 120° SN
Design variant Design variant B B