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Single row tapered roller bearings

33028U - NTN

33028U

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.

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter140 mm
D - External diameter210 mm
B - Bearing/Inner ring width56 mm
C - Outer ring width44 mm
T - Total width56 mm
a - Charge load application point45,5 mm
rs - Min fillet radius2,5 mm
r1s - Min fillet radius2 mm
Mass6,59 kg
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PRODUCT PERFORMANCE
C - Dynamic load435 kN
C0 - Static load715 kN
Cu - Fatigue limit load74 kN
A2 - Rating life coefficient1
e - Coefficient0.36
Y0 - Static axial load coefficient0.92
Y2 - Upper axial load coefficient1.67
N lim - Oil lubrication limit speed2100 tr/min
N lim - Grease lubrication limit speed1600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR152 mm
db min - Min IR shoulder diameter152 mm
Da min - Min shoulder diameter OR182,5 mm
Da max - Max shoulder diameter OR200 mm
Db min - Min OR shoulder diameter203 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
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