Page 682 - Rollingbearings

8 Tapered roller bearings

Loads

Single row bearings Matched bearings Double row bearings
Minimum load F = 0,02 C
rm
Except for SKF Explorer bearings: F = 0,017 C
rm
For additional
information
† page 106

Equivalent F /F ≤ e → P = F Face-to-face or back-to-back F /F ≤ e → P = F + Y F
r
r
a
a
r
r
1 a
dynamic arrangement
bearing load F /F > e → P = 0,4 F + Y F 1) F /F ≤ e → P = F + Y F F /F > e → P = 0,67 F + Y F
r
r
a
r
a
2 a
r
a
r
a
r
1 a
F /F > e → P = 0,67 F + Y F
r
r
2 a
a
Tandem arrangement 1)
For additional F /F ≤ e → P = F r
a
r
information
† page 91 F /F > e → P = 0,4 F + Y F a
r
r
a
Equivalent P = 0,5 F + Y F 1) Face-to-face or back-to-back P = F + Y F
0 a
0
r
r
0 a
0
static bearing arrangement
load P < F → P = F r P = F + Y F P < F → P = F r
0
r
0
0
r
0 a
0
r
0
P < F → P = F r
0
0
r
Tandem arrangement 1)
For additional P = 0,5 F + Y F
r
0 a
0
information
8 † page 105
Symbols
C basic dynamic load rating [kN] (product tables, page 694)
e calculation factor (product tables)
F a axial load [kN]
F r radial load [kN]
F rm minimum radial load [kN]
P equivalent dynamic bearing load [kN]
P 0 equivalent static bearing load [kN]
Y, Y , Y , Y calculation factors (product tables)
2
0
1
1) When determining the axial load F a , refer to Calculating the axial load for bearings mounted singly or paired in tandem.
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