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Single row tapered roller bearings

4T-47890/47820 - NTN

4T-47890/47820

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.

This kit contains the following reference(s)

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter92,075 mm
D - External diameter146,05 mm
B - Bearing/Inner ring width34,925 mm
C - Outer ring width26,195 mm
T - Total width33,338 mm
d1 - External diameter inner ring121 mm
a - Charge load application point32,738 mm
Mass2,08 kg
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PRODUCT PERFORMANCE
C - Dynamic load181 kN
C0 - Static load266 kN
Cu - Fatigue limit load30,7 kN
A2 - Rating life coefficient1
e - Coefficient0.45
Y0 - Static axial load coefficient0.74
Y2 - Upper axial load coefficient1.34
N lim - Oil lubrication limit speed3100 tr/min
N lim - Grease lubrication limit speed2400 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR101 mm
db min - Min IR shoulder diameter107 mm
Da max - Max shoulder diameter OR131 mm
Db min - Min OR shoulder diameter140 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius3,3 mm
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