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NUKR52/3AS - NTN

NUKR52/3AS

Needle roller bearing, cam follower, full-complement cylindrical roller, slot for screwdriver, oil hole, double-side shields, spherical outer ring

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3D file

Technical datasheet

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Specs

PRODUCT DEFINITION

D - External diameter 52 mm
d1 - Stud diameter 20 mm
C - Width of bearing, drawn cup or outer ring 24 mm
F - Under roller diameter 30 mm
B - Bearing/Inner ring width 25,5 mm
B1 - Total stud length 66 mm
B2 - Stud rod length 40,5 mm
G - Stud thread designation M20X1.5
G1 - Thread length of the stud 21 mm
B3 - Distance between washer face and radial lub hole 9 mm
C1 - Distance between roller face and washer face 0,8 mm
n - Axial lubrication hole diameter 8 mm
a - Radial lubrication hole diameter 4 mm
e - Inlet diameter of roller or washer 31 mm
R - Track roller radius 500 mm
Maximum tightening torque 98 N-m
Bearing with/without cage Without
Radial clearance class CN
Precision class P0
Mass 0,45 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Cr - Dynamic load rating 42,5 kN
C0r - Static load rating 57,5 kN
Track load capacity spherical outer ring 5,55 kN
Nlim - Grease lubrication limit speed 3300 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C