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Single row tapered roller bearings

4T-M84548/M84510 - NTN

4T-M84548/M84510

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 diameter25,4 mm
D - External diameter57,15 mm
B - Bearing/Inner ring width19,431 mm
C - Outer ring width14,732 mm
T - Total width19,431 mm
d1 - External diameter inner ring43,2 mm
a - Charge load application point16,031 mm
Mass0,244 kg
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PRODUCT PERFORMANCE
C - Dynamic load47 kN
C0 - Static load48,5 kN
Cu - Fatigue limit load5,9 kN
A2 - Rating life coefficient1
e - Coefficient0.55
Y0 - Static axial load coefficient0.6
Y2 - Upper axial load coefficient1.1
N lim - Oil lubrication limit speed9200 tr/min
N lim - Grease lubrication limit speed6900 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR33 mm
db min - Min IR shoulder diameter36 mm
Da max - Max shoulder diameter OR48,5 mm
Db min - Min OR shoulder diameter54 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm
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