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Single row tapered roller bearings

4T-H917840/H917810 - NTN

4T-H917840/H917810

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 diameter76,2 mm
D - External diameter180,975 mm
B - Bearing/Inner ring width53,183 mm
C - Outer ring width35,72 mm
T - Total width53,975 mm
d1 - External diameter inner ring132,5 mm
a - Charge load application point54,475 mm
Mass6,57 kg
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PRODUCT PERFORMANCE
C - Dynamic load325 kN
C0 - Static load415 kN
Cu - Fatigue limit load46,8 kN
A2 - Rating life coefficient1
e - Coefficient0.73
Y0 - Static axial load coefficient0.45
Y2 - Upper axial load coefficient0.82
N lim - Oil lubrication limit speed2600 tr/min
N lim - Grease lubrication limit speed1900 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR100 mm
db min - Min IR shoulder diameter110 mm
Da max - Max shoulder diameter OR152 mm
Db min - Min OR shoulder diameter170 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius3,3 mm
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