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Spherical Roller Bearing - NACHI EUROPE - #29

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MAC
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• Dynamic equivalent radial load
Pr=XFr+YFa
Fa ^
Fa ^
Fr
Fr
XY
XY
1 Y,
0.67 Y2
Values of Y,, Y2 and e from table.
• Static equivalent radial load Por=Fr+YoFa Values Y0 from table.
Dimensions of lubrication holes and grooves
Abutment and fillet dimensions (mm)
Axial load factor
Bearing No.
Mass (kg)
. Constant.
Hole diameter do
Groove width A
Hole count N
da (min)
Da (max)
ra
(max)
e
Y
Y2
Y0
(Reference)
Cylindrical bore
Tapered bore
15
28
8
552.0
688.0
4.0
0.18
3.85
5.73
3.76
156
239/530E
239/530EK
15 20
32 40
8 8
558.0 558.0
752.0 752.0
5.0 5.0
0.23 0.32
2.98 2.12
4.44 3.15
2.91 2.07
308 417
230/530E 240/530E
230/530EK 240/530EK30
20
45
8
566.0
834.0
6.0
0.32
2.13
3.17
2.08
640
231/530E
231/530EK
25
60
8
574.0
936.0
8.0
0.37
1.80
2.69
1.76
1215
232/530E
232/530EK
15
28
8
582.0
728.0
4.0
0.17
3.90
5.80
3.81
177
239/560E
239/560EK
15 20
32 45
8 8
588.0 588.0
792.0 792.0
5.0 5.0
0.23 0.31
2.95 2.21
4.39 3.29
2.89 2.16
359 468
230/560E 240/560E
230/560EK 240/560EK30
20
45
8
596.0
884.0
6.0
0.31
2.20
3.27
2.15
732
231/560E
231/560EK
25
50
8
612.0
992.0
8.0
0.37
1.82
2.70
1.78
1390
232/560E
232/560EK
20
35
8
622.0
778.0
4.0
0.17
3.95
5.87
3.86
214
239/600E
239/600EK
15 20
32 45
8 8
628.0 628.0
842.0 842.0
5.0 5.0
0.22 0.31
3.10 2.20
4.62 3.27
3.03 2.15
408 551
230/600E 240/600E
230/600EK 240/600EK30
20
45
8
636.0
944.0
6.0
0.31
0.22
3.27
2.15
887
231/600E
231/600EK
25
50
8
654.0
1048
8.0
0.37
1.82
2.70
1.78
1640
232/600E
232/600EK
20
35
8
658.0
822.0
5.0
0.18
3.71
5.52
3.62
273
239/630E
239/630EK
20
40
8
666.0
884.0
6.0
0.22
3.07
4.57
3.00
487
230/630E
230/630EK
20
45
8
666.0
994.0
6.0
0.31
2.20
3.27
2.15
1070
231/630E
231/630EK
20
35
8
698.0
872.0
5.0
0.17
3.90
5.80
3.81
316
239/670E
239/670EK
20 20
40
45
8 8
706.0 706.0
944.0 944.0
6.0 6.0
0.22 0.31
3.01 2.21
4.48 3.29
2.94 2.16
603 801
230/670E 240/670E
230/670EK 240/670EK30
25
50
8
706.0
1054
6.0
0.31
2.18
3.24
2.13
1260
231/670E
231/670EK
20
35
8
738.0
922.0
5.0
0.17
3.90
5.80
3.81
369
239/710E
239/710EK
20
40
8
746.0
994.0
6.0
0.22
3.10
4.62
3.03
676
230/710E
230/710EK
25
50
8
754.0
1106
8.0
0.30
2.24
3.34
2.19
1432
231/710E
231/710EK
20
35
8
778.0
972.0
5.0
0.17
4.00
5.95
3.91
417
239/750E
239/750EK
20
40
8
786.0
1054
6.0
0.22
3.10
4.62
3.03
803
230/750E
230/750EK
25
50
8
794.0
1176
8.0
0.30
2.25
3.34
2.20
1710
231/750E
231/750EK
20
35
8
825.0
1032
5.0
0.17
4.00
5.96
3.91
470
239/800E
239/800EK
20 25
45
50
8 8
836.0 836.0
1114 1114
6.0 6.0
0.21 0.28
3.20 2.43
4.77 3.61
3.13 2.37
910 1200
230/800E 240/800E
230/800EK 240/800EK30
25
50
8
844.0
1236
8.0
0.29
2.32
3.45
2.26
1910
231/800E
231/800EK
20
40
8
878.0
1092
5.0
0.16
4.16
6.20
4.07
546
239/850E
239/850EK
20
40
8
886.0
1184
6.0
0.21
3.20
4.77
3.13
1059
230/850E
230/850EK
20
40
8
928.0
1152
5.0
0.16
4.22
6.28
4.13
618
239/900E
239/900EK
20
45
8
936.0
1244
6.0
0.21
3.27
4.87
3.20
1200
230/900E
230/900EK
20
40
8
986.0
1214
6.0
0.16
4.11
6.12
4.02
763
239/950E
239/950EK
20
45
8
986.0
1324
6.0
0.21
3.23
4.82
3.16
1450
230/950E
230/950EK
25
48
8
1036
1284
6.0
0.17
4.05
6.03
3.96
895
239/1000E
239/1000EK
20
45
8
1036
1384
6.0
0.21
3.27
4.87
3.20
1610
230/1000E
230/1000EK
25
48
8
1096
1364
6.0
0.17
4.05
6.03
3.96
1077
239/1060E
239/1060EK
27
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