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KR72LL/3AS - NTN

KR72LL/3AS

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Technical datasheet

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Specs

PRODUCT DIMENSIONS

External diameter (D) 72 mm
Stud diameter (d1) 24 mm
Width of bearing, drawn cup or outer ring (C) 29 mm
Under roller diameter F 30 mm
Bearing/Inner ring width (B) 30,5 mm
Total stud length (B1) 80 mm
Stud rod length (B2) 49,5 mm
Stud thread designation (G) M24X1.5
Thread length of the stud (G1) 25 mm
Distance between washer face and radial lub hole. (B3) 11 mm
Distance between roller face and washer face (C1) 0,8 mm
Axial lubrication hole diameter (n) 8 mm
Radial lubrication hole diameter (a) 4 mm
Inlet diameter of roller or washer (e) 44 mm
Track roller radius (R) 500 mm
Maximum tightening torque 178 N-m
Bearing with/without cage With
Radial clearance class CN
Precision class P0
Mass 1,04 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load rating (Cr) 28,9 kN
Static load rating (C0r) 55 kN
Track load capacity spherical outer ring 8,05 kN
Nlim (grease) 5000 tr/min
Min operating temperature (Tmin) -20 °C
Max operating temperature (Tmax) 100 °C