KOYO NTA-512 services Thrust Roller Bearing

Brand Name	KOYO NTA-512 services Thrust Roller Bearing
Model Number	NTA-512
Min.Order Quantity	1 pcs
Price	Negotiable
PDF	NTA-512

Product Details

Bearing number	4T-HM212046/HM212011
Size (mm)	63.5x122.238x38.1
Bore Diameter (mm)	63,5
Outer Diameter (mm)	122,238
Width (mm)	38,1
d	63,5 mm
D	122,238 mm
T	38,1 mm
B	38,354 mm
C	29,718 mm
ra1 max.	3,3 mm
a	11,1 mm
Da	108 mm
db	73 mm
ra max.	3,5 mm
da	80 mm
Db	116 mm
Weight	1,95 Kg
Basic dynamic load rating (C)	187 kN
Basic static load rating (C0)	244 kN
(Grease) Lubrication Speed	3 100 r/min
(Oil) Lubrication Speed	4 100 r/min
Calculation factor (e)	0,34
Calculation factor (Y0)	0,98
d1	91.5 mm
e	0.34
Y2	1.78
Y0	0.98
Mass	1.95 kg
Dynamic load, C	187 kN
Rating life coefficient, A2	1.4
Static load, C0	244 kN
Fatigue limit load, Cu	29.8 kN
Nlim (oil)	4,100 rpm
Nlim (grease)	3,100 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	6.06 Hz
Characteristic outer ring frequency, BPF0	7.17 Hz
Characteristic inner ring frequency, BPFI	9.83 Hz
ra max	3.5 mm
r1a max	3.3 mm