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GB/T 9160.2-1-2006
4 Slots lock nuts for use with rolling bearings(d≥210mm)-Table 1
Nom
P
d1 max
d1 min
dk max
dk min
k max
k min
n max
n min
t max
t min
Tr210
4
238
237.28
270
269.28
30
29.28
21.15
20
11.85
10
Tr220
4
250
249.28
280
279.28
32
31.28
21.15
20
11.85
10
Tr230
4
260
259.28
290
289.28
34
33.28
21.15
20
11.85
10
Tr240
4
270
269.28
300
299.28
34
33.28
21.15
20
11.85
10
Tr250
4
290
289.28
320
319.28
36
35.28
21.15
20
11.85
10
Tr260
4
300
299.19
330
329.19
36
35.19
25.3
24
14.1
12
Tr280
4
320
319.19
350
349.19
38
37.19
25.3
24
14.1
12
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