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NK60/25R+1R55X60X25 - NTN

NK60/25R+1R55X60X25

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

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter55 mm
D - External diameter72 mm
C - Width of bearing, drawn cup or outer ring25 mm
F - Under roller diameter60 mm
rs - Min fillet radius0,6 mm
s - Max axial offset1,5 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter3 mm
Inner ring reference1R55X60X25
Lubrication hole on inner ringNon/No
Radial clearance classCN
Precision classP0
Mass0,271 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating41 kN
C0r - Static load rating85 kN
N lim - Grease lubrication limit speed4300 tr/min
N lim - Oil lubrication limit speed6500 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR58 mm
Da max - Max shoulder diameter OR68 mm
ras max - Max shaft & housing fillet radius0,6 mm