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NK18/20RCT - NTN

NK18/20RCT

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

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Technical datasheet

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Specs

PRODUCT DEFINITION

Fw - Under rollers diameter 18 mm
D - External diameter 26 mm
C - Width of bearing, drawn cup or outer ring 20 mm
rs - Min fillet radius 0,3 mm
Lubrication hole on outer ring Yes
k - Hole diameter 2,5 mm
Radial clearance class CN
Precision class P0
Mass 0,031 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Cr - Dynamic load rating 16,1 kN
C0r - Static load rating 22 kN
Nlim - Grease lubrication limit speed 14000 tr/min
Nlim - Oil lubrication limit speed 21000 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C

ABUTMENT

Da max - Max shoulder diameter OR 24 mm
ras max - Max shaft & housing fillet radius 0,3 mm