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

4T-30209 - NTN

4T-30209

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 diameter45 mm
D - External diameter85 mm
B - Bearing/Inner ring width19 mm
C - Outer ring width16 mm
T - Total width20,75 mm
d1 - External diameter inner ring64 mm
a - Charge load application point18 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,5 mm
Mass0,493 kg
ISO 355 referenceT3DB045
undefined
PRODUCT PERFORMANCE
C - Dynamic load75 kN
C0 - Static load78,5 kN
Cu - Fatigue limit load9,6 kN
A2 - Rating life coefficient1
e - Coefficient0.4
Y0 - Static axial load coefficient0.81
Y2 - Upper axial load coefficient1.48
N lim - Oil lubrication limit speed5900 tr/min
N lim - Grease lubrication limit speed4400 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR54 mm
db min - Min IR shoulder diameter53,5 mm
Da min - Min shoulder diameter OR74 mm
Da max - Max shoulder diameter OR76,5 mm
Db min - Min OR shoulder diameter80 mm
Ca - Min clearance3 mm
Cb - Min clearance4,5 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm
undefined