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

Single row tapered roller bearings

30317DU - NTN

30317DU

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 diameter85 mm
D - External diameter180 mm
B - Bearing/Inner ring width41 mm
C - Outer ring width28 mm
T - Total width44,5 mm
d1 - External diameter inner ring132,5 mm
a - Charge load application point56 mm
rs - Min fillet radius4 mm
r1s - Min fillet radius3 mm
Mass4,74 kg
ISO 355 referenceT7GB085
undefined
PRODUCT PERFORMANCE
C - Dynamic load274 kN
C0 - Static load293 kN
Cu - Fatigue limit load33 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 speed2500 tr/min
N lim - Grease lubrication limit speed1900 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR103 mm
db min - Min IR shoulder diameter103 mm
Da min - Min shoulder diameter OR143 mm
Da max - Max shoulder diameter OR166 mm
Db min - Min OR shoulder diameter169 mm
Ca - Min clearance6 mm
Cb - Min clearance16,5 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
undefined

Industry Calcul Factors

Calcul factors image