Page 511 - Rollingbearings

Loads

Loads

Single row, high-capacity Double row full complement
and single row full comple- bearings
ment bearings

Minimum load Symbols
q 4 n w q d w 2
m
r
F = k 6 + —— ——
rm
< n z < 100 z
For additional r d m bearing mean diameter [mm]
information = 0,5 (d + D)
† page 106 e limiting value
= 0,2 for bearings in the 10, 18, 19, 2, 3
Equivalent Non-locating bearings and 4 series
dynamic bear- P = F r = 0,3 for bearings in the 12, 20, 22, 23,
ing load 28, 29, 30 and 39 series
Locating bearings F a axial load [kN]
F /F ≤ e † P = F F /F ≤ 0,15 † P = F F r radial load [kN]
r
r
a
a
r
r
For additional F /F > e † P = 0,92 F + Y F a F /F > 0,15 † P = 0,92 F + 0,4 F a F rm minimum radial load [kN]
r
r
r
a
r
a
information k r minimum load factor (product tables,
† page 91 F must not exceed 0,5 F F must not exceed 0,25 F page 516)
a
r
a
r
n rotational speed [r/min]
Equivalent P = F r n reference speed [r/min] (product tables)
r
0
static bearing For sealed double row full complement 6
load bearings with seals removed and oil
lubrication † 1,3 times the limiting speed
For additional P equivalent dynamic bearing load [kN]
information P 0 equivalent static bearing load [kN]
† page 105 Y axial load factor
= 0,6 for bearings in the 10, 18, 19, 2, 3
and 4 series
= 0,4 for bearings in the 12, 20, 22, 23,
28, 29, 30 and 39 series

509