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Single row tapered roller bearings

4T-29688/29620 - NTN

4T-29688/29620

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 diameter73,817 mm
D - External diameter112,712 mm
B - Bearing/Inner ring width25,4 mm
C - Outer ring width19,05 mm
T - Total width25,4 mm
d1 - External diameter inner ring94,5 mm
a - Charge load application point26,3 mm
Mass0,862 kg
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PRODUCT PERFORMANCE
C - Dynamic load106 kN
C0 - Static load151 kN
Cu - Fatigue limit load18,4 kN
A2 - Rating life coefficient1
e - Coefficient0.49
Y0 - Static axial load coefficient0.68
Y2 - Upper axial load coefficient1.23
N lim - Oil lubrication limit speed4100 tr/min
N lim - Grease lubrication limit speed3100 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR80 mm
db min - Min IR shoulder diameter83 mm
Da max - Max shoulder diameter OR101 mm
Db min - Min OR shoulder diameter109 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius3,3 mm
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OE Equivalents

ManufacturerReferenceZF0750.117.421

Industry Calcul Factors

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