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4T-6386/6320

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.

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Technical datasheet

KitThis kit contains the following reference(s)- 4T-6386- 4T-6320
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PRODUCT DEFINITION
BrandNTN
d - Internal diameter66,675 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
Mass3,64 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
Nlim - Oil lubrication limit speed3800 tr/min
Nlim - 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 diameter87 mm
Da max - Max shoulder diameter OR117 mm
Db min - Min OR shoulder diameter126 mm
ra max - Max fillet radius4,3 mm
r1a - Max fillet radius3,3 mm
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