Spherical roller bearings 240/500RK30
Bearing number : 240/500RK30
Size (mm) : 500x720x218
Brand : KOYO
Bore Diameter (mm) : 500
Outer Diameter (mm) : 720
Width (mm) : 218
Bearing dimensions and specification in KOYO catalogue:
d - 500 mm
D - 720 mm
B - 218 mm
C - 218 mm
r min. - 6 mm
da min. - 528 mm
Da max. - 692 mm
ra max. - 5 mm
Weight - 292 Kg
Basic dynamic load rating (C) - 4600 kN
Basic static load rating (C0) - 10300 kN
(Grease) Lubrication Speed - 310 r/min
(Oil) Lubrication Speed - 410 r/min
Calculation factor (e) - 0,28
Calculation factor (Y0) - 2,34
Calculation factor (Y1) - 2,39
Calculation factor (Y2) - 3,56
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American Koyo Bearing Mfg Corp. (presently Koyo Corporation of U.S.A.) established, South Carolina plant completed, start of bearing production in USA: 1975: Operations begun at Hiketa Plant (presently Kagawa Plant) 1979: Operations of old Tokyo Plant and Hamura Plant combined at Hamura, the plant renamed as the Tokyo Plant: 1973
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