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NK80/25R+1R70X80X25 - NTN

NK80/25R+1R70X80X25

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

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Technical datasheet

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Specs

PRODUCT DEFINITION

d - Internal diameter 70 mm
D - External diameter 95 mm
C - Width of bearing, drawn cup or outer ring 25 mm
F - Under roller diameter 80 mm
rs - Min fillet radius 1 mm
s - Max axial offset 0,8 mm
Lubrication hole on outer ring Yes
k - Hole diameter 3,5 mm
Inner ring reference 1R70X80X25
Lubrication hole on inner ring No
Radial clearance class CN
Precision class P0
Mass 0,525 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Cr - Dynamic load rating 57 kN
C0r - Static load rating 119 kN
Nlim - Grease lubrication limit speed 3300 tr/min
Nlim - Oil lubrication limit speed 5000 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C

ABUTMENT

da min - Min shoulder diameter IR 75 mm
Da max - Max shoulder diameter OR 90 mm
ras max - Max shaft & housing fillet radius 1 mm