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Double row angular contact ball bearings

5211S - NTN

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter55 mm
D - External diameter100 mm
B - Bearing/Inner ring width33,3 mm
a - Charge load application point50,1 mm
α - Contact angle25 °
rs - Min fillet radius1,5 mm
Radial clearance classCN
Precision classP0
Mass0,936 kg
PRODUCT PERFORMANCE
C - Dynamic load56 kN
C0 - Static load49 kN
Cu - Fatigue limit load3 kN
N lim - Oil lubrication limit speed5600 tr/min
N lim - Grease lubrication limit speed4300 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR64 mm
Da max - Max shoulder diameter OR91 mm
ra max - Max shaft & housing fillet radius1,5 mm