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Needle roller bearing, machined-ring, with inner ring

NA6901R - NTN

NA6901R

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

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter12 mm
D - External diameter24 mm
C - Width of bearing, drawn cup or outer ring22 mm
F - Under roller diameter16 mm
rs - Min fillet radius0,3 mm
s - Max axial offset1 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter2 mm
Lubrication hole on inner ringNon/No
Radial clearance classCN
Precision classP0
Mass0,046 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating15,4 kN
C0r - Static load rating20 kN
N lim - Grease lubrication limit speed15000 tr/min
N lim - Oil lubrication limit speed23000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR14 mm
Da max - Max shoulder diameter OR22 mm
ras max - Max shaft & housing fillet radius0,3 mm