Cod. 985719 – 00 / July 2004
16
For bearings on vertical shafts the intervals obtained from the diagram should be halved.
These values are not valid in presence of water, humidity or solid impurities (dust/air mixture for category 2D and 3D in
case of Atex fans), which can go inside the bearings. In this case we recommend to renew frequently the whole grease.
Never schedule relubrication intervals over of 30000 hours.
The grease quantity to be supplied can be obtained from the equation below for applications in standard conditions
(temperature not exceeding 70°C):
Where:
(g/h) = 0.005 x D x B
g = grease quantity (g)
h = working hours
D = bearing outside diameter (mm)
B = total bearing width (mm)
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