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4T-28680/28622 - NTN

4T-28680/28622

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 diameter55,562 mm
D - External diameter97,63 mm
B - Bearing/Inner ring width24,608 mm
C - Outer ring width19,446 mm
T - Total width24,608 mm
d1 - External diameter inner ring77 mm
a - Charge load application point21,308 mm
Mass0,776 kg
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PRODUCT PERFORMANCE
C - Dynamic load98 kN
C0 - Static load128 kN
Cu - Fatigue limit load15,6 kN
A2 - Rating life coefficient1
e - Coefficient0.4
Y0 - Static axial load coefficient0.82
Y2 - Upper axial load coefficient1.49
N lim - Oil lubrication limit speed4900 tr/min
N lim - Grease lubrication limit speed3700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR62 mm
db min - Min IR shoulder diameter68 mm
Da max - Max shoulder diameter OR88 mm
Db min - Min OR shoulder diameter92 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius0,8 mm
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OE Equivalents

ManufacturerReferenceZF0750.117.484

Industry Calcul Factors

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