• English
  • Français
  • Deutsch
  • Italiano
  • Español
  • Português do Brasil
  • Polski
  • Русский
  • Türkçe

Single row tapered roller bearings

4T-48393/48320 - NTN

4T-48393/48320

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 diameter136,525 mm
D - External diameter190,5 mm
B - Bearing/Inner ring width39,688 mm
C - Outer ring width33,338 mm
T - Total width39,688 mm
d1 - External diameter inner ring164,5 mm
a - Charge load application point35,688 mm
Mass3,43 kg
undefined
PRODUCT PERFORMANCE
C - Dynamic load262 kN
C0 - Static load475 kN
Cu - Fatigue limit load50 kN
A2 - Rating life coefficient1
e - Coefficient0.32
Y0 - Static axial load coefficient1.03
Y2 - Upper axial load coefficient1.87
N lim - Oil lubrication limit speed2300 tr/min
N lim - Grease lubrication limit speed1700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR144 mm
db min - Min IR shoulder diameter151 mm
Da max - Max shoulder diameter OR177 mm
Db min - Min OR shoulder diameter184 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius3,3 mm
undefined

Industry Calcul Factors

Calcul factors image