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Double row angular contact ball bearings

5306SNR - NTN

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter30 mm
D - External diameter72 mm
B - Bearing/Inner ring width30,2 mm
a - Charge load application point36,5 mm
α - Contact angle25 °
a min - Min position Groove3,07 mm
a max - Max position groove3,28 mm
rs - Min fillet radius1,1 mm
rNs - Min fillet radius0,6 mm
D3 - Max bottom groove diameter68,81 mm
b min - Min groove width1,9 mm
b max - Max groove width2,2 mm
r0 max - Max bottom groove radius0,6 mm
D4 max - Max outer diameter of assembled stop ring78,6 mm
f - Stop ring thickness1,65 mm
Snap ring referenceR72
Radial clearance classCN
Precision classP0
Mass0,567 kg
PRODUCT PERFORMANCE
C - Dynamic load40,5 kN
C0 - Static load28,1 kN
Cu - Fatigue limit load1,7 kN
N lim - Oil lubrication limit speed8500 tr/min
N lim - Grease lubrication limit speed6300 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR37 mm
Da max - Max shoulder diameter OR65 mm
Ca min - Mini segment position4,67 mm
Ca max - Max segment position4,98 mm
ra max - Max shaft & housing fillet radius1 mm
rNa max - Max fillet radius on segment side0,6 mm
Db min - Min stop ring position diameter80 mm