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Single row tapered roller bearings

4T-1755/1729 - NTN

4T-1755/1729

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 diameter22,225 mm
D - External diameter56,896 mm
B - Bearing/Inner ring width19,837 mm
C - Outer ring width15,875 mm
T - Total width19,368 mm
d1 - External diameter inner ring39 mm
a - Charge load application point12,868 mm
Mass0,252 kg
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PRODUCT PERFORMANCE
C - Dynamic load47,5 kN
C0 - Static load46,5 kN
Cu - Fatigue limit load5,7 kN
A2 - Rating life coefficient1
e - Coefficient0.31
Y0 - Static axial load coefficient1.07
Y2 - Upper axial load coefficient1.95
N lim - Oil lubrication limit speed9600 tr/min
N lim - Grease lubrication limit speed7200 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR27,5 mm
db min - Min IR shoulder diameter29 mm
Da max - Max shoulder diameter OR49 mm
Db min - Min OR shoulder diameter51 mm
ra max - Max fillet radius1,3 mm
r1a - Max fillet radius1,3 mm
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