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NK42/20R - NTN

NK42/20R

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 DIMENSIONS

Under rollers diameter (Fw) 42 mm
External diameter (D) 52 mm
Width of bearing, drawn cup or outer ring (C) 20 mm
Min fillet radius (rs) 0,3 mm
Lubrication hole on outer ring Yes
Hole diameter (k) 3 mm
Radial clearance class CN
Precision class P0
Mass 0,086 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load rating (Cr) 26,9 kN
Static load rating (C0r) 49 kN
Nlim (grease) 6500 tr/min
Nlim (oil) 9500 tr/min
Min operating temperature (Tmin) -20 °C
Max operating temperature (Tmax) 120 °C

ABUTMENT

Max shoulder diameter OR (Da max) 50 mm
Max shaft & housing fillet radius (ras max) 0,3 mm