Date: 2013-08-05

bearing speed operation and speed limits revised

1: bearing speed operation:
1. Analysis of cage material type (for high-speed rotation, suitable for cutting copper alloy or phenolic resin cage system. There is also suitable for high-speed rotation of synthetic resin molded cage)
2. Analysis of Lubrication (used for high-speed spin cycle lubrication, spray lubrication, oil mist lubrication and oil lubrication Lubrication)
3. Of bearing internal clearance (taking into account the bearing temperature rise generated internal clearance reduction)
2: bearing speed limit amendments:
Synthesis of load bearing bearing axial load in more than 25% of radial load, use the following formula of the speed limit be amended.
C: basic dynamic load rating, N (kgf)
na: a revised speed limit, rpm
Fr: radial load, N (kgf)
Fa: Axial load, N (kgf)
P: Equivalent dynamic load, N (kgf)

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