NTN NJ2208 Roller s - JiNan Hope Hydraulic Co., Itd

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NTN NJ2208 Roller s image

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NTN NJ2208 Roller s Product identifiers

Bearing number:4T-LM806649/LM806610
Size (mm):53.975x88.9x19.05
Bore Diameter (mm):53,975
Outer Diameter (mm):88,9
Width (mm):19,05
d:53,975 mm
D:88,9 mm
T:19,05 mm
B:19,05 mm
C:13,492 mm
ra1 max.:2 mm
a -:2,2 mm
Da:80 mm
db:60 mm
ra max.:2,3 mm
da:63 mm
Db:85 mm
Weight:0,437 Kg
Basic dynamic load rating (C):61 kN
Basic static load rating (C0):82,5 kN
(Grease) Lubrication Speed:4 000 r/min
(Oil) Lubrication Speed:5 300 r/min
Calculation factor (e):0,55
Calculation factor (Y0):0,6
d1:72 mm
a:21.25 mm
e:0.55
Y2:1.1
Y0:0.6
Mass:0.44 kg
Dynamic load, C:61 kN
Rating life coefficient, A2:1.4
Static load, C0:82.5 kN
Fatigue limit load, Cu:10.1 kN
Nlim (oil):5,300 rpm
Nlim (grease):4,000 rpm
Min operating temperature, Tmin:-40 °C
Max operating temperature, Tmax:120 °C
Characteristic cage frequency, FTF:0.45 Hz
Characteristic rolling element frequency, BSF:8.78 Hz
Characteristic outer ring frequency, BPF0:10.73 Hz
Characteristic inner ring frequency, BPFI:13.27 Hz
ra max:2.3 mm
r1a max:2 mm

Now our products are exported to lots of countries in the world, such as Mid-east, Europe, America, South America and Southeast Asia, etc. In some area, our products even cover over 50% of the market share.

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JiNan Hope Hydraulic Co., Itd: Email[email protected]; AddressTianqiao, Beiyuan District, Jinan，Shandong; Phone(Working Time)0531-8299 9953; Fax

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