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4T-6379/6320 - NTN

4T-6379/6320

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 diameter65,088 mm
D - External diameter135,755 mm
B - Bearing/Inner ring width56,007 mm
C - Outer ring width44,45 mm
T - Total width53,975 mm
d1 - External diameter inner ring98 mm
a - Charge load application point35,175 mm
Mass3,71 kg
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PRODUCT PERFORMANCE
C - Dynamic load310 kN
C0 - Static load380 kN
Cu - Fatigue limit load46,3 kN
A2 - Rating life coefficient1
e - Coefficient0.32
Y0 - Static axial load coefficient1.02
Y2 - Upper axial load coefficient1.85
N lim - Oil lubrication limit speed3800 tr/min
N lim - Grease lubrication limit speed2900 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR77 mm
db min - Min IR shoulder diameter84 mm
Da max - Max shoulder diameter OR117 mm
Db min - Min OR shoulder diameter126 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius3,3 mm
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OE Equivalents

ManufacturerReferenceZF0750.117.478

Industry Calcul Factors

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