Back

RNA4938 - NTN

RNA4938

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

Downloads

3D file

Technical datasheet

PLEASE LOGIN to add products to your basket
Contact us
PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter215 mm
D - External diameter260 mm
C - Width of bearing, drawn cup or outer ring69 mm
rs - Min fillet radius2 mm
Lubrication hole on outer ringYes
k - Hole diameter4 mm
Radial clearance classCN
Precision classP0
Mass4,53 kg
Product classification image
PRODUCT PERFORMANCE
Cr - Dynamic load rating390 kN
C0r - Static load rating945 kN
Nlim - Grease lubrication limit speed1300 tr/min
Nlim - Oil lubrication limit speed1900 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da max - Max shoulder diameter OR251 mm
ras max - Max shaft & housing fillet radius2 mm