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

Needle roller bearing, machined-ring, without inner ring

MR142212 - NTN

MR142212

Needle roller bearing, machined-ring, without inner ring, double-side ribs, lubrication hole, inch dimensions

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter22,225 mm
D - External diameter34,925 mm
C - Width of bearing, drawn cup or outer ring19,05 mm
rs - Min fillet radius1 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter2,5 mm
Radial clearance classCN
Precision classP0
Mass0,059 kg
undefined
PRODUCT PERFORMANCE
Cr - Dynamic load rating21,9 kN
C0r - Static load rating25,6 kN
N lim - Grease lubrication limit speed12000 tr/min
N lim - Oil lubrication limit speed18000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da max - Max shoulder diameter OR30 mm
ras max - Max shaft & housing fillet radius1 mm