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

Needle roller bearing, machined-ring, separable, without inner ring

RNA0-55X68X20 - NTN

RNA0-55X68X20

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter55 mm
D - External diameter68 mm
C - Width of bearing, drawn cup or outer ring20 mm
E - Upper roller diameter60 mm
rs - Min fillet radius0,6 mm
Lubrication hole on outer ringNon/No
Radial clearance classCN
Precision classP0
Mass0,166 kg
undefined
PRODUCT PERFORMANCE
Cr - Dynamic load rating28,8 kN
C0r - Static load rating66,5 kN
N lim - Grease lubrication limit speed4800 tr/min
N lim - Oil lubrication limit speed7500 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
db - Shoulder diameter IR59,4 mm
Da max - Max shoulder diameter OR64 mm
Db - OR smooth shaft shoulder diameter55,8 mm
ras max - Max shaft & housing fillet radius0,6 mm