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NK24/20R+1R20X24X20 - NTN


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


3D file

Technical datasheet

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d - Internal diameter20 mm
D - External diameter32 mm
C - Width of bearing, drawn cup or outer ring20 mm
F - Under roller diameter24 mm
rs - Min fillet radius0,3 mm
s - Max axial offset0,5 mm
Lubrication hole on outer ringYes
k - Hole diameter2,5 mm
Inner ring reference1R20X24X20
Lubrication hole on inner ringNo
Radial clearance classCN
Precision classP0
Mass0,061 kg
Product classification image
Cr - Dynamic load rating18,6 kN
C0r - Static load rating28,8 kN
Nlim - Grease lubrication limit speed11000 tr/min
Nlim - Oil lubrication limit speed17000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
da min - Min shoulder diameter IR22 mm
Da max - Max shoulder diameter OR30 mm
ras max - Max shaft & housing fillet radius0,3 mm