Spherical roller bearings 240/670BK30
Bearing number : 240/670BK30
Size (mm) : 670x980x308
Brand : NTN
Bore Diameter (mm) : 670
Outer Diameter (mm) : 980
Width (mm) : 308
Bearing dimensions and specification in NTN catalogue:
d - 670 mm
D - 980 mm
B - 308 mm
C - 308 mm
r min. - 7,5 mm
da min. - 706 mm
Da max. - 944 mm
ra max. - 6 mm
Weight - 781 Kg
Basic dynamic load rating (C) - 8 650 kN
Basic static load rating (C0) - 20 600 kN
(Grease) Lubrication Speed - 250 r/min
(Oil) Lubrication Speed - 320 r/min
Calculation factor (e) - 0,29
Calculation factor (Y0) - 2,24
Calculation factor (Y1) - 2,29
Calculation factor (Y2) - 3,41
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NTN R Series Single Row deep groove radial ball bearing, 9.525 mm bore, stainless steel cage material, clearance: c3, 3300 n dynamic load capacity, 0.406 mm fillet radius, 1 row, 22.225 mm outside diameter, 31000 rpm limiting (grease) speed rating, 1400 n static load capacity, temperature rating: -40 to 120 deg c, 7.142 mm width.
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