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Single row tapered roller bearings

4T-29590/29521 - NTN

4T-29590/29521

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 diameter66,675 mm
D - External diameter110 mm
B - Bearing/Inner ring width25,4 mm
C - Outer ring width19,05 mm
T - Total width25,4 mm
a - Charge load application point24,8 mm
rs - Min fillet radius3,5 mm
r1s - Min fillet radius1,3 mm
Mass0,91 kg
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PRODUCT PERFORMANCE
C - Dynamic load101 kN
C0 - Static load140 kN
A2 - Rating life coefficient1
e - Coefficient0.46
Y0 - Static axial load coefficient0.72
Y2 - Upper axial load coefficient1.31
N lim - Oil lubrication limit speed4300 tr/min
N lim - Grease lubrication limit speed3200 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR73 mm
db min - Min IR shoulder diameter80 mm
Da max - Max shoulder diameter OR104 mm
Db min - Min OR shoulder diameter99 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius1,3 mm
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