NN49/95 NSK Multi-Row Roller Bearings NTN

Product Details

Bearing number	4T-25584/25520
Size (mm)	44.983x82.931x23.812
Bore Diameter (mm)	44,983
Outer Diameter (mm)	82,931
Width (mm)	23,812
d	44,983 mm
D	82,931 mm
T	23,812 mm
B	25,4 mm
C	19,05 mm
ra1 max.	0,8 mm
a	6,2 mm
Da	74 mm
db	51 mm
ra max.	1,5 mm
da	53 mm
Db	77 mm
Weight	0,555 Kg
Basic dynamic load rating (C)	76 kN
Basic static load rating (C0)	98 kN
(Grease) Lubrication Speed	4 500 r/min
(Oil) Lubrication Speed	6 000 r/min
Calculation factor (e)	0,33
Calculation factor (Y0)	0,99
d1	63 mm
e	0.33
Y2	1.79
Y0	0.99
Mass	0.56 kg
Dynamic load, C	76 kN
Rating life coefficient, A2	1.4
Static load, C0	98 kN
Fatigue limit load, Cu	12 kN
Nlim (oil)	6,000 rpm
Nlim (grease)	4,500 rpm
Min operating temperature, Tmin	-40 °C
Max operating temperature, Tmax	120 °C
Characteristic cage frequency, FTF	0.43 Hz
Characteristic rolling element frequency, BSF	7.08 Hz
Characteristic outer ring frequency, BPF0	7.78 Hz
Characteristic inner ring frequency, BPFI	10.22 Hz
ra max	1.5 mm
r1a max	0.8 mm
Category	Roller Bearings
Inventory	0.0
Minimum Buy Quantity	N/A
Product Group	B04336

Phone	+65 6795 7418
Fax	+65 6795 7418