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Cam follower with shaft

KR47H - NTN

KR47H

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
D - External diameter47 mm
d1 - Stud diameter20 mm
C - Width of bearing, drawn cup or outer ring24 mm
F - Under roller diameter25 mm
B - Bearing/Inner ring width25,5 mm
B1 - Total stud length66 mm
B2 - Stud rod length40,5 mm
G - Stud thread designationM20X1.5
G1 - Thread length of the stud21 mm
B3 - Distance between washer face and radial lub hole9 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 washer37 mm
h - Hexagonal hole8 mm
R - Track roller radius500 mm
Maximum tightening torque98 N-m
Bearing with/without cageAvec
Radial clearance classCN
Precision classP0
Mass0,386 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating20,7 kN
C0r - Static load rating33,5 kN
Track load capacity spherical outer ring4,7 kN
N lim - Grease lubrication limit speed6000 tr/min
N lim - Oil lubrication limit speed8000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C