SKF NJ 2311 ECP/C4 services Cylindrical Roller Bearings

Brand Name	SKF NJ 2311 ECP/C4 services Cylindrical Roller Bearings
Model Number	NJ 2311 ECP/C4
Min.Order Quantity	1 pcs
Price	Negotiable
PDF	NJ 2311 ECP/C4

Product Details

Bearing number	4T-59200/59412
Size (mm)	50.8x104.775x36.512
Bore Diameter (mm)	50,8
Outer Diameter (mm)	104,775
Width (mm)	36,512
d	50,8 mm
D	104,775 mm
T	36,512 mm
B	36,512 mm
C	28,575 mm
ra1 max.	3,3 mm
a	9,6 mm
Da	92 mm
db	61 mm
ra max.	3,5 mm
da	68 mm
Db	99 mm
Weight	1,44 Kg
Basic dynamic load rating (C)	143 kN
Basic static load rating (C0)	178 kN
(Grease) Lubrication Speed	3 700 r/min
(Oil) Lubrication Speed	4 900 r/min
Calculation factor (e)	0,4
Calculation factor (Y0)	0,82
d1	77.5 mm
e	0.4
Y2	1.49
Y0	0.82
Mass	1.44 kg
Dynamic load, C	143 kN
Rating life coefficient, A2	1.4
Static load, C0	178 kN
Fatigue limit load, Cu	21.7 kN
Nlim (oil)	4,900 rpm
Nlim (grease)	3,700 rpm
Min operating temperature, Tmin	-40 °C
Max operating temperature, Tmax	120 °C
Characteristic cage frequency, FTF	0.42 Hz
Characteristic rolling element frequency, BSF	5.73 Hz
Characteristic outer ring frequency, BPF0	6.69 Hz
Characteristic inner ring frequency, BPFI	9.31 Hz
ra max	3.5 mm
r1a max	3.3 mm