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  • BSI
    BS ISO 15312:2018 Rolling bearings. Thermal speed rating. Calculation
    Edition: 2018
    $313.97
    / user per year

Description of BS ISO 15312:2018 2018

This document defines the thermal speed rating for oil bath lubricated rolling bearings and defines calculation principles for the determination of this parameter. The parameter determined in accordance with this document applies to rolling bearings of the given series and sizes of standard design or of a design that, from a frictional point of view, can be related to a standard design bearing.

In most cases of standard assembly, the permissible temperature determines the maximum operating speed. Heating of the assembly is then generated by the bearing.

Thrust ball bearings are excluded from this document as kinematic effects do not allow the thermal speed rating defined in this document to be applied.

NOTE 1 In Annex A mean values for the coefficients f0r and f1r are given — f0r for calculating viscous losses of oil bath lubricated bearings and f1r for calculating frictional losses of bearings.

NOTE 2 Explanatory notes on the limiting criterion are given in Annex B.

NOTE 3 In Annex C the reference conditions for grease lubrication are defined. The reference conditions are chosen such that the thermal speed rating for grease lubrication is identical to that for oil bath lubrication.



Standard NumberBS ISO 15312:2018
TitleRolling bearings. Thermal speed rating. Calculation
StatusConfirmed
Publication Date2018-03-06
ReplacesBS ISO 15312:2003
Identical National Standard OfISO 15312:2018
DescriptorsRotation velocity, Mathematical calculations, Heat transfer, Velocity, Lubricating oils, Rolling bearings, Bearings, Friction
ICS21.100.20 Rolling bearings
CommitteeMCE/7
ISBN978 0 580 90704 3
PublisherBSI
Pages22

The following editions for this book are also available...

Format Year Publisher Type Title Annual Price
2020
BSI
Standards
 $439.53 Buy

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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