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4T-M802048/M802011 - NTN

4T-M802048/M802011

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 diameter41,275 mm
D - External diameter82,55 mm
B - Bearing/Inner ring width25,654 mm
C - Outer ring width20,193 mm
T - Total width26,543 mm
d1 - External diameter inner ring64 mm
a - Charge load application point23,343 mm
Mass0,641 kg
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PRODUCT PERFORMANCE
C - Dynamic load89 kN
C0 - Static load104 kN
Cu - Fatigue limit load12,7 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 speed6100 tr/min
N lim - Grease lubrication limit speed4600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR51 mm
db min - Min IR shoulder diameter57 mm
Da max - Max shoulder diameter OR70 mm
Db min - Min OR shoulder diameter79 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius3,3 mm
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