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KR72LL/3AS - NTN

KR72LL/3AS

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Technical datasheet

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PRODUCT DEFINITION
BrandNTN
D - External diameter72 mm
d1 - Stud diameter24 mm
C - Width of bearing, drawn cup or outer ring29 mm
F - Under roller diameter30 mm
B - Bearing/Inner ring width30,5 mm
B1 - Total stud length80 mm
B2 - Stud rod length49,5 mm
G - Stud thread designationM24X1.5
G1 - Thread length of the stud25 mm
B3 - Distance between washer face and radial lub hole11 mm
C1 - Distance between roller face and washer face0,8 mm
n - Axial lubrication hole diameter8 mm
a - Radial lubrication hole diameter4 mm
e - Inlet diameter of roller or washer44 mm
R - Track roller radius500 mm
Maximum tightening torque178 N-m
Bearing with/without cageWith
Radial clearance classCN
Precision classP0
Mass1,04 kg
Product classification image
PRODUCT PERFORMANCE
Cr - Dynamic load rating28,9 kN
C0r - Static load rating55 kN
Track load capacity spherical outer ring8,05 kN
Nlim - Grease lubrication limit speed5000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature100 °C