Bearings Flashcards
1
Q
Bearing relative life relationship with load applied
A
L1 / L2 = (P2 / P1)^k
2
Q
k value for ball bearing
A
3
3
Q
k value for roller bearing
A
3.33
4
Q
Basic dynamic load rating with life
A
C = P ( L / 10^6 ) ^1/k
5
Q
Life in hours eqs
A
L10h = (10^6 / 60n) (C / P)^k
6
Q
S in bearings
A
Temperature factor
7
Q
Reliability factor life in hrs
A
L10a = a L10
a = reliability factor
