NTN, bearing 6313NR

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PRODUCT DEFINITION

Brand	SNR
d - Internal diameter	65 mm
D - External diameter	140 mm
B - Bearing/Inner ring width	33 mm
d1 - External diameter inner ring	82,2 mm
D1 - Inner diameter outer ring	123,7 mm
a min - Min position Groove	4,65 mm
a max - Max position groove	4,9 mm
Ca min - Mini segment position	7,37 mm
Ca max - Max segment position	7,72 mm
rs - Min fillet radius	2,1 mm
rNs - Min fillet radius	0,5 mm
D3 - Max bottom groove diameter	135,23 mm
b min - Min groove width	3,1 mm
b max - Max groove width	3,4 mm
r0 max - Max bottom groove radius	0,6 mm
D4 max - Max outer diameter of assembled stop ring	149,7 mm
f - Stop ring thickness	2,77 mm
Snap ring reference	R140
Radial clearance class	CN
Mass	2,077 kg

PRODUCT PERFORMANCE
C - Dynamic load	97,7 kN
C0 - Static load	59,8 kN
Cu - Fatigue limit load	2,7 kN
f0 - Coefficient	13.2
Nref - Reference thermal speed	6400 tr/min
Nlim - Mechanical Limit Speed	8100 tr/min
Tmin - Min operating temperature	-40 °C
Tmax - Max operating temperature	120 °C

BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)	3,071 Hz
BPFI - Characteristic inner ring frequency (60 rpm)	4,929 Hz
FTF - Characteristic cage frequency (60 rpm)	0,384 Hz
BSF - Characteristic rolling element frequency (60 rpm)	4,072 Hz

ABUTMENT
da min - Min shoulder diameter IR	76 mm
Da max - Max shoulder diameter OR	129 mm
ra max - Max shaft & housing fillet radius	2 mm
rNa max - Max fillet radius on segment side	0,5 mm
Db min - Min stop ring position diameter	152 mm

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NTN, bearing 6313NR - SNR