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

4T-32008X - NTN

4T-32008X

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 diameter40 mm
D - External diameter68 mm
B - Bearing/Inner ring width19 mm
C - Outer ring width14,5 mm
T - Total width19 mm
d1 - External diameter inner ring54,5 mm
a - Charge load application point15 mm
rs - Min fillet radius1 mm
r1s - Min fillet radius1 mm
Mass0,272 kg
ISO 355 referenceT3CD040
undefined
PRODUCT PERFORMANCE
C - Dynamic load55,5 kN
C0 - Static load65,5 kN
Cu - Fatigue limit load8 kN
A2 - Rating life coefficient1
e - Coefficient0.38
Y0 - Static axial load coefficient0.87
Y2 - Upper axial load coefficient1.58
N lim - Oil lubrication limit speed7100 tr/min
N lim - Grease lubrication limit speed5300 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR46 mm
db min - Min IR shoulder diameter45,5 mm
Da min - Min shoulder diameter OR60 mm
Da max - Max shoulder diameter OR62,5 mm
Db min - Min OR shoulder diameter65 mm
Ca - Min clearance4 mm
Cb - Min clearance4,5 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm
undefined

Industry Calcul Factors

Calcul factors image