NUMBER OF BALLS PER KILOGRAM AND CRUSHING LOAD OF SAE 52100 BALLS
Nominal Diameter Inch mm
No. of Balls Per kg
Minimum Crushingload
In N
-
1.500000
72830
-
1/16
1.587500
61425
-
-
2.000000
30720
-
3/32
2.381200
18205
-
-
2.500000
15730
-
7/64
2.778100
11500
-
-
3.000000
9105
-
1/8
3.175000
7680
5390
-
3.500000
5733
6370
5/32
3.968800
3932
8430
-
4.000000
3840
8530
-
4.500000
2698
10600
3/16
4.762500
2275
12100
-
5.000000
1966
13000
7/32
5.556200
1433
16300
-
6.000000
1138
18800
1/4
6.350000
960
21300
17/64
6.746900
800
22850
-
7.000000
717
25500
9/32
7.143800
674
27000
5/16
7.937500
491
32900
11/32
8.731200
369
39700
3/8
9.525000
284
47100
-
10.00000
246
52100
13/32
10.31880
224
55000
7/16
11.11250
179
63800
15/32
11.90620
146
73500
-
12.00000
142
76200
1/2
12.70000
120
83400
17/32
13.49370
100
94100
9/16
14.28750
84
105000
-
15.00000
73
116000
19/32
15.08120
72
117000
5/8
15.87500
61
129000
-
16.00000
60
131000
21/32
16.66870
53
142000
11/16
17.46325
46
155000
3/4
19.05000
35
183000
25/32
19.84380
31
199000
-
20.00000
30
200000
13/16
20.63750
28
215000
7/8
22.22500
22
247000
15/16
23.81250
18
281000
-
25.00000
16
306000
1
25.40000
15
319000
The number of balls and Crushing load figures should be used as a guide; because raw materials used and deviations in accordance with guaranteed accuracy within grades affect the figure shown.