8
INTRODUZIONE -
INTRODUCTION
Cuscinetti a sfere - rapporto di carico C/P per durata L
10h
in ore a diverse velocità (giri/min)
Ball bearings - load ratio C/P for various rating lifes L
10h
(operating hours) at various speed n (r/min)
1.1-
L
10h
C/P when n =
50
100
200
300
500
1000
1500
2000
100
0.67
0.84
1.06
1.22
1.44
1.82
2.06
2.29
500
1.14
1.44
1.82
2.08
2.47
3.11
3.56
3.91
1000
1.44
1.82
2.29
2.62
3.11
3.21
4.48
4.93
1250
1.55
1.96
2.47
2.82
3.35
4.22
4.83
5.31
1600
1.69
2.13
2.68
3.07
3.63
4.58
5.24
5.77
2000
1.82
2.29
2.88
3.3
3.91
4.93
5.65
6.21
2500
1.96
2.47
3.11
3.56
4.22
5.31
6.08
6.69
3200
2.13
2.68
3.37
3.86
4.58
5.77
6.6
7.27
4000
2.29
2.88
3.63
4.16
4.93
6.21
7.11
7.83
5000
2.47
3.11
3.91
4.48
5.31
6.69
7.66
8.43
6300
2.66
3.36
4.23
4.84
5.74
7.23
8.28
9.11
8000
2.88
3.63
4.58
5.24
6.21
7.83
8.96
9.86
10000
3.11
3.91
4.93
5.65
6.69
8.43
9.65
10.6
12500
3.35
4.22
5.31
6.08
7.21
9.09
10.4
11.4
16000
3.63
4.58
5.77
4.6
7.83
9.8
11.3
12.4
20000
3.91
4.93
6.21
7.11
8.43
10.6
12.2
13.4
25000
4.22
5.31
6.69
7.66
9.09
11.4
13.1
14.4
32000
4.58
5.77
7.27
8.32
9.86
12.4
14.2
15.7
40000
4.93
6.21
7.83
9.86
10.6
13.4
15.3
16.9
50000
5.31
6.69
8.43
9.65
11.4
14.4
16.5
18.2
63000
5.74
7.23
9.11
10.4
12.4
15.6
17.8
19.6
80000
6.21
7.83
9.88
11.3
13.4
16.9
19.3
21.3
100000
6.69
8.43
10.6
12.2
14.4
18.2
20.8
22.9
200000
8.43
10.6
13.4
15.3
18.2
22.9
26.2
28.8
L
10h
C/P when n =
3000
4000
5000
8000
10000 15000 20000 30000
100
2.62
2.88
3.11
3.63
3.91
4.48
4.93
5.65
500
4.48
4.93
5.31
6.21
6.69
7.66
8.43
9.65
1000
5.65
6.21
6.69
7.83
8.43
9.65
10.6
12.2
1250
6.08
6.69
7.21
8.43
9.09
10.4
11.4
13.1
1600
6.6
7.27
7.83
9.16
9.86
11.3
12.4
14.2
2000
7.11
7.83
8.43
9.86
10.6
12.2
13.4
15.3
2500
7.66
8.43
9.09
10.6
11.4
13.1
14.4
16.5
3200
8.32
9.16
9.86
11.5
12.4
14.2
15.7
17.9
4000
8.96
9.86
10.6
12.4
13.4
15.3
16.9
19.3
5000
9.65
10.6
11.4
13.4
14.4
16.5
18.2
20.8
6300
10.4
11.5
12.4
14.5
15.6
17.8
19.6
22.5
8000
11.3
12.4
13.4
15.7
16.9
19.3
21.3
24.3
10000
12.2
13.4
14.4
16.9
18.2
20.8
22.9
26.2
12500
13.1
14.4
15.5
18.2
19.6
22.4
24.7
28.2
16000
14.2
15.7
16.9
19.7
21.3
24.3
26.8
30.7
20000
15.3
16.9
18.2
21.3
22.9
26.2
28.8
33
25000
16.5
18.2
19.6
22.9
24.7
28.2
31.1
35.6
32000
17.9
19.7
21.3
24.9
26.8
30.7
33.7
38.6
40000
19.3
21.3
22.9
26.8
28.8
33
36.3
41.6
50000
20.8
22.9
24.7
28.8
31.1
35.6
39.1
44.8
63000
22.5
24.7
26.6
31.2
33.6
38.4
42.3
48.4
80000
24.3
26.8
28.8
33.7
36.3
41.6
45.8
52.4
100000
26.2
28.8
31.3
36.3
39.1
44.8
49.3
56.5
200000
33
36.3
39.1
45.8
49.3
56.5
62.1
71.1
