Skip to Main Content
Analysis and Design of Machine Elements
book

Analysis and Design of Machine Elements

by Wei Jiang
April 2019
Intermediate to advanced content levelIntermediate to advanced
528 pages
14h 4m
English
Wiley
Content preview from Analysis and Design of Machine Elements

11 Rolling Contact Bearings

Photo displaying various rolling contact bearings.

Nomenclature

A
axial load, N
C
basic dynamic load rating, N
C 0
basic static load rating, N
e
factor
F a
external axial load, or thrust force, N
F r
external radial load, or radial force, N
f p
load factor
f t
temperature factor
H
total operating hours under variable loads, h
L h
bearing life in hours, h
L 10
rated life at reliability of 90%, rev
L 10h
rated life in hours at reliability of 90%, h
L n
bearing life at diffident reliability, h
[L h ]
allowable life in hours, h
N i
reaction force, N
n
rotational speed, rpm
P
equivalent dynamic load, N
P 0
equivalent static load, N
P i
resolved radial load component, N
R
radial load on bearing, N
r 1
radius of bore, mm
r 2
radius of rolling elements, mm
r 3
radius of outer ring, mm
r 4
radius of retainer, mm
S
induced thrust load, N
S′
appended thrust load, N
S 0
static safety factor
S i
resolved axial load component, N
t
temperature, °C
X
dynamic radial load factor
X 0
static radial load factor
Y
dynamic axial load factor
Y 0
static axial load factor
α
contact angle, deg.
α 1
life‐adjustment factor for reliability
ε
load‐life exponent
θ
angular deviation, deg.
ω 1
angular velocity of inner ring, rad s−1
ω 2
angular velocity ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Design of Mechanical Elements

Design of Mechanical Elements

Bart Raeymaekers
Mechanical Engineering for Makers

Mechanical Engineering for Makers

Brian Bunnell, Samer Najia

Publisher Resources

ISBN: 9781119276074Purchase book