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30214U - NTN

30214U

Tapered roller bearing, pressed steel cage

The single row tapered roller bearing is available in metric dimensions (ISO 355 and JIS B 1512 standards) and in inches (ABMA standard, metric series including J). The single row in tapered roller bearing range, is the most widely used and is generally mounted in opposition.

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Technical datasheet

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PRODUCT DEFINITION
BrandNTN
d - Internal diameter70 mm
D - External diameter125 mm
B - Bearing/Inner ring width24 mm
C - Outer ring width21 mm
T - Total width26,25 mm
d1 - External diameter inner ring95 mm
a - Charge load application point25,5 mm
rs - Min fillet radius2 mm
r1s - Min fillet radius1,5 mm
Mass1,26 kg
ISO 355 referenceT3EB070
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PRODUCT PERFORMANCE
C - Dynamic load131 kN
C0 - Static load162 kN
Cu - Fatigue limit load19,8 kN
A2 - Rating life coefficient1
e - Coefficient0.42
Y0 - Static axial load coefficient0.79
Y2 - Upper axial load coefficient1.43
Nlim - Oil lubrication limit speed3900 tr/min
Nlim - Grease lubrication limit speed2900 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR81 mm
db min - Min IR shoulder diameter80 mm
Da min - Min shoulder diameter OR110 mm
Da max - Max shoulder diameter OR116,5 mm
Db min - Min OR shoulder diameter118 mm
Ca - Min clearance4 mm
Cb - Min clearance5 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius1,5 mm
Product classification image
Calcul factors image