30309 U Bearing 45×100×27.25mm NTN tapered roller bearing for industry

30309 U Bearing
NTN 30309 bearing
Delivery:2 days after confirmed



d 45 mm
D 100 mm
T 27.25 mm
d1 ≈ 70.2 mm
B 25 mm
C 22 mm
r1,2 min. 2 mm
r3,4 min. 1.5 mm
a 21 mm
Abutment dimensions

da max. 59 mm
db min. 55 mm
Da min. 86 mm
Da max. 92 mm
Db min. 92 mm
Ca min. 3 mm
Cb min. 5 mm
ra max. 2 mm
rb max. 1.5 mm
Calculation data
Basic dynamic load rating C 108 kN
Basic static load rating C0 120 kN
Fatigue load limit Pu 14.3 kN
Reference speed 5300 r/min
Limiting speed 7000 r/min
Calculation factor e 0.35 
Calculation factor Y 1.7 
Calculation factor Y0 0.9 
Mass bearing 0.972 kg

XRB Bearing. China bearings manufacturer and supplier,XRB focus on research & development and manufacturing general purpose and non-standard roller bearings, our products contains tapered roller bearings(inch & metric size),sealed spherical roller bearings,spherical roller thrust bearing, CARB toroidal roller bearings,cylindrical roller bearings,Vibrating screen bearing, papermaking machinery bearing, concrete mixer truck bearing,excavator bearings,rolling mill bearing.



Tapered Roller Bearing

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