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Double row angular contact ball bearings

5309SNR - NTN

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter45 mm
D - External diameter100 mm
B - Bearing/Inner ring width39,7 mm
a - Charge load application point50,6 mm
α - Contact angle25 °
a min - Min position Groove3,07 mm
a max - Max position groove3,28 mm
rs - Min fillet radius1,5 mm
rNs - Min fillet radius0,6 mm
D3 - Max bottom groove diameter96,8 mm
b min - Min groove width2,7 mm
b max - Max groove width3 mm
r0 max - Max bottom groove radius0,6 mm
D4 max - Max outer diameter of assembled stop ring106,5 mm
f - Stop ring thickness2,41 mm
Snap ring referenceR100
Radial clearance classCN
Precision classP0
Mass1,327 kg
PRODUCT PERFORMANCE
C - Dynamic load68,5 kN
C0 - Static load51 kN
Cu - Fatigue limit load3,1 kN
N lim - Oil lubrication limit speed6000 tr/min
N lim - Grease lubrication limit speed4500 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR54 mm
Da max - Max shoulder diameter OR91 mm
Ca min - Mini segment position5,43 mm
Ca max - Max segment position5,74 mm
ra max - Max shaft & housing fillet radius1,5 mm
rNa max - Max fillet radius on segment side0,6 mm
Db min - Min stop ring position diameter107,9 mm