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KR90 - NTN

KR90

Needle roller bearing, cam follower, with cage, slot for screwdriver, oil hole, spherical outer ring

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
D - External diameter90 mm
d1 - Stud diameter30 mm
C - Width of bearing, drawn cup or outer ring35 mm
F - Under roller diameter38 mm
B - Bearing/Inner ring width37 mm
B1 - Total stud length100 mm
B2 - Stud rod length63 mm
G - Stud thread designationM30X1.5
G1 - Thread length of the stud32 mm
B3 - Distance between washer face and radial lub hole15 mm
C1 - Distance between roller face and washer face1 mm
n - Axial lubrication hole diameter8 mm
a - Radial lubrication hole diameter4 mm
e - Inlet diameter of roller or washer53 mm
R - Track roller radius500 mm
Maximum tightening torque360 N-m
Bearing with/without cageAvec
Radial clearance classCN
Precision classP0
Mass1,95 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating45 kN
C0r - Static load rating88,5 kN
Track load capacity spherical outer ring11,4 kN
N lim - Grease lubrication limit speed4000 tr/min
N lim - Oil lubrication limit speed5500 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C