BSI PD ISO/TR 1281-1:2021
$198.66
Rolling bearings. Explanatory notes on ISO 281 – Basic dynamic load rating and basic rating life
Published By | Publication Date | Number of Pages |
BSI | 2021 | 52 |
This document specifies supplementary background information regarding the derivation of mathematical expressions and factors given in ISO 281:2007.
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | undefined |
6 | Foreword |
7 | Introduction |
9 | 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols |
12 | 5 General 6 Basic dynamic load rating 6.1 General |
13 | 6.2 Basic dynamic radial load rating, Cr, for radial ball bearings |
17 | 6.3 Basic dynamic axial load rating, Ca, for single row thrust ball bearings 6.3.1 Thrust ball bearings with contact angle α ≠ 90° 6.3.2 Thrust ball bearings with contact angle α = 90° |
18 | 6.4 Basic dynamic axial load rating, Ca, for thrust ball bearings with two or more rows of balls |
19 | 6.5 Basic dynamic radial load rating, Cr, for radial roller bearings |
21 | 6.6 Basic dynamic axial load rating, Ca, for single row thrust roller bearings 6.6.1 Thrust roller bearings with contact α ≠ 90° 6.6.2 Thrust roller bearings with contact angle α = 90° |
22 | 6.7 Basic dynamic axial load rating, Ca, for thrust roller bearings with two or more rows of rollers |
24 | 7 Dynamic equivalent load 7.1 Expressions for dynamic equivalent load 7.1.1 Theoretical dynamic equivalent radial load, Pr, for single row radial bearings |
28 | 7.1.2 Theoretical dynamic equivalent radial load, Pr, for double row radial bearings |
30 | 7.1.3 Theoretical dynamic equivalent radial load, Pr, for radial contact groove ball bearings 7.1.4 Practical expressions for dynamic equivalent radial load, Pr, for radial bearings with constant contact angle |
33 | 7.1.5 Practical expressions for dynamic equivalent radial load, Pr, for radial ball bearings |
34 | 7.1.6 Practical expressions for dynamic equivalent axial load, Pa, for thrust bearings |
36 | 7.2 Factors X, Y and e 7.2.1 Radial ball bearings |
37 | 7.2.2 Values of X, Y and e for each type of radial ball bearing |
43 | 7.2.3 Tabulation of factors X, Y and e for radial ball bearings |
45 | 7.2.4 Calculated values of Y and e different from standard 7.2.5 Thrust ball bearings |
46 | 7.2.6 Radial roller bearings |
47 | 7.2.7 Thrust roller bearings 8 Basic rating life |
50 | Bibliography |