Bearing number : 7948DB
Size (mm) : 240x320x38
Brand : NTN
Bore Diameter (mm) : 240
Outer Diameter (mm) : 320
Width (mm) : 38
d - 240 mm
D - 320 mm
B - 38 mm
C - 38 mm
ra1 max. - 1 mm
Angle (α) - 25 °
a - 100 mm
r min. - 2,1 mm
r1 min. - 1,1 mm
2B - 76 mm
da min. - 252 mm
ra max. - 2 mm
Db max - 313 mm
Weight - 16,68 Kg
Basic dynamic load rating (C) - 315 kN
Basic static load rating (C0) - 510 kN
(Grease) Lubrication Speed - 1 500 r/min
(Oil) Lubrication Speed - 1 900 r/min
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NSK Bearings can bear radial load and axial load at the same time. NSK Bearings can work at higher speeds. The larger the contact angle of the NSK Bearings, the higher the axial load carrying capacity of the 7948DB NTN TOP 10 Bearing. The contact angle of 7948DB NTN TOP 10 Bearing is the angle between the line connecting the contact point of the ball and the raceway in the radial plane and the ...
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