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

NA4914R - NTN

NA4914R

Needle roller bearing, machined-rings, with inner ring, double-side ribs, lubrication hole

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter70 mm
D - External diameter100 mm
C - Width of bearing, drawn cup or outer ring30 mm
F - Under roller diameter80 mm
rs - Min fillet radius1 mm
s - Max axial offset1,5 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter3 mm
Lubrication hole on inner ringNon/No
Radial clearance classCN
Precision classP0
Mass0,727 kg
undefined
PRODUCT PERFORMANCE
Cr - Dynamic load rating85,5 kN
C0r - Static load rating156 kN
N lim - Grease lubrication limit speed3300 tr/min
N lim - Oil lubrication limit speed5000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR75 mm
Da max - Max shoulder diameter OR95 mm
ras max - Max shaft & housing fillet radius1 mm