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

Single row tapered roller bearings

4T-30310 - NTN

4T-30310

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 diameter50 mm
D - External diameter110 mm
B - Bearing/Inner ring width27 mm
C - Outer ring width23 mm
T - Total width29,25 mm
d1 - External diameter inner ring78,5 mm
a - Charge load application point23 mm
rs - Min fillet radius2,5 mm
r1s - Min fillet radius2 mm
Mass1,31 kg
ISO 355 referenceT2FB050
undefined
PRODUCT PERFORMANCE
C - Dynamic load147 kN
C0 - Static load152 kN
Cu - Fatigue limit load18,5 kN
A2 - Rating life coefficient1
e - Coefficient0.35
Y0 - Static axial load coefficient0.96
Y2 - Upper axial load coefficient1.74
N lim - Oil lubrication limit speed4800 tr/min
N lim - Grease lubrication limit speed3600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR65 mm
db min - Min IR shoulder diameter62 mm
Da min - Min shoulder diameter OR95 mm
Da max - Max shoulder diameter OR100 mm
Db min - Min OR shoulder diameter102 mm
Ca - Min clearance3 mm
Cb - Min clearance6 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
undefined