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Single row tapered roller bearings

4T-M12648/M12610 - NTN

4T-M12648/M12610

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 diameter22,225 mm
D - External diameter50,005 mm
B - Bearing/Inner ring width18,288 mm
C - Outer ring width13,97 mm
T - Total width17,526 mm
d1 - External diameter inner ring34,5 mm
a - Charge load application point11,126 mm
Mass0,165 kg
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PRODUCT PERFORMANCE
C - Dynamic load42 kN
C0 - Static load39 kN
Cu - Fatigue limit load4,75 kN
A2 - Rating life coefficient1
e - Coefficient0.28
Y0 - Static axial load coefficient1.19
Y2 - Upper axial load coefficient2.16
N lim - Oil lubrication limit speed11000 tr/min
N lim - Grease lubrication limit speed8000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR26,5 mm
db min - Min IR shoulder diameter28,5 mm
Da max - Max shoulder diameter OR44 mm
Db min - Min OR shoulder diameter46 mm
ra max - Max fillet radius1,3 mm
r1a - Max fillet radius1,3 mm
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