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Single row tapered roller bearings

4T-30307D - NTN

4T-30307D

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.

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter35 mm
D - External diameter80 mm
B - Bearing/Inner ring width21 mm
C - Outer ring width15 mm
T - Total width22,75 mm
d1 - External diameter inner ring59,5 mm
a - Charge load application point26 mm
rs - Min fillet radius2 mm
r1s - Min fillet radius1,5 mm
Mass0,527 kg
ISO 355 referenceT7FB035
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PRODUCT PERFORMANCE
C - Dynamic load70,5 kN
C0 - Static load70 kN
Cu - Fatigue limit load8,5 kN
A2 - Rating life coefficient1
e - Coefficient0.83
Y0 - Static axial load coefficient0.4
Y2 - Upper axial load coefficient0.73
N lim - Oil lubrication limit speed5800 tr/min
N lim - Grease lubrication limit speed4400 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR44 mm
db min - Min IR shoulder diameter45 mm
Da min - Min shoulder diameter OR62 mm
Da max - Max shoulder diameter OR71,5 mm
Db min - Min OR shoulder diameter76,5 mm
Ca - Min clearance3 mm
Cb - Min clearance7,5 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius1,5 mm
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OE Equivalents

ManufacturerReferenceZF0750.117.076

Industry Calcul Factors

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