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Double row angular contact ball bearings

5209S - NTN

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter45 mm
D - External diameter85 mm
B - Bearing/Inner ring width30,2 mm
a - Charge load application point43,4 mm
α - Contact angle25 °
rs - Min fillet radius1,1 mm
Radial clearance classCN
Precision classP0
Mass0,636 kg
PRODUCT PERFORMANCE
C - Dynamic load49,5 kN
C0 - Static load38 kN
Cu - Fatigue limit load2,3 kN
N lim - Oil lubrication limit speed6700 tr/min
N lim - Grease lubrication limit speed5000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR52 mm
Da max - Max shoulder diameter OR78 mm
ra max - Max shaft & housing fillet radius1 mm