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

Single row tapered roller bearings

30319DU - NTN

30319DU

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 diameter95 mm
D - External diameter200 mm
B - Bearing/Inner ring width45 mm
C - Outer ring width32 mm
T - Total width49,5 mm
d1 - External diameter inner ring146,5 mm
a - Charge load application point62,5 mm
rs - Min fillet radius4 mm
r1s - Min fillet radius3 mm
Mass6,35 kg
ISO 355 referenceT7GB095
undefined
PRODUCT PERFORMANCE
C - Dynamic load330 kN
C0 - Static load355 kN
Cu - Fatigue limit load38,5 kN
A2 - Rating life coefficient1
e - Coefficient0.83
Y0 - Static axial load coefficient0.4
Y2 - Upper axial load coefficient0.73
N lim - Oil lubrication limit speed2200 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 IR114 mm
db min - Min IR shoulder diameter113 mm
Da min - Min shoulder diameter OR154 mm
Da max - Max shoulder diameter OR186 mm
Db min - Min OR shoulder diameter187 mm
Ca - Min clearance6 mm
Cb - Min clearance17,5 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
undefined