Minimum load of rolling bearings

     When the load is too small - if the speed is high during operation, it will cause slippage, and if the lubrication is insufficient, the bearing will be damaged. The following are the recommended values for the bearing minimum load:

Ball bearing with cage P / C =0.11

Roller bearing with cage P / C =0.02

Without cage bearing P / C = 0.04

(P is the equivalent dynamic load and C is the basic dynamic load rating)

The minimum load of the thrust bearing can be found in the overview of the bearing size table.

Excessive size reduces the service life of the bearing: the reason is that the oversized bearing is prone to slippage, and the original design is a lubricant for life, and the internal working stress is increased. Slip will cause a glued and reliable working week, which is better than using the bearing capacity. For this reason, as in the calculation of the corrected bearing life, when calculating the bearing life, in addition to the basic rated load, other factors of the bearing must be affected.
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