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ISO 2982 Standard Dimensions for Roll bearing lock nuts

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Dimensions of locknuts and locking devices

ISO 2982-2:2013 specifies:

dimensions of locknuts;

runout tolerance of locknut clamp face with respect to pitch diameter of screw thread;

dimensions of lockwashers with straight inner tab for use with 4-slot locknuts;

 

dimensions of locking clip assemblies for use with 8-slot locknuts.

 

 

Dimensional Drawing and Technical Diagrams

330_BUnTMo_iso-2982.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source ISO 2982 part 2 Locknut with 4 slots
Publication date: 04/2013SupersedesISO 2982:1995-08
d1 thread size
 Pitch
d2

d3
h
b
t
M 10
 0.75
18
13.5
4
3
2
M 12
 1
22
17.0
4
3
2

M 15

 1
25
21.0
5
4
2
M 17
 1
28
24.0
5
4
2
M 20
 1
32
26.0
6
4
2
M 25
 1.5
38
32.0
7
5
2
M 30
 1.5
45
38.0
7
5
2
M 35
 1.5
52
44.0
8
5
 2
M 40
 1.5
58
50.0
9
6
2.5
M 45
 1.5
65
56.0
10
6
2.5
M 50
 1.5
70
61.0
11
6
2.5
M 55
 2
75
67.0
11
7
3
M 60
 2
80
73.0
11
7
3
M 65
 2
85
79.0
12
7
3
M 70
 2
92
85.0
12
8
3.5
M 75
 2
98
90.0
13
8
 3.5
M 80
 2
105
95.0
15
8
3.5
M 85
 2
110
102.0
16
8
 3.5
M 90
 2
120
108.0
16
10
4
M 95
 2
125
113.0
17
10
4
M 100
 2
130
120.0
18
10
4
M 105
 2
140
126.0
18
12
5
M 110
 2
145
133.0
19
12
5
M 115
 2
150
137.0
19
12
5
M 120
 2
145
135.0
20
12
5
M 120
 2
155
138.0
20
12
5
M 125
 2
160
148.0
21
12
5
M 130
 2
155
145.0
21
12
5
M 130
 2
165
149.0
21
12
5
M 135
 2
175
160.0
22
14
6
M 140
 2
165
155.0
22
14
5
M 140
 2
180
160.0
22
14
6
M 145
 2
190
171.0
24
14
6
M 150
 2
180
170.0
24
14
5
M 150
 2
195
171.0
24
14
6
M 155
 3
200
182.0
25
16
7
M 160
 3
190
180.0
25
16
5
M 160
 3
210
182.0
25
16
7
M 165
 3
210
193.0
26
16
7
M 170
 3
200
190.0
26
16
5
M 170
 3
220
190.3
26
16
7
M 180
 3
210
200.0
27
18
5
M 180
 3
230
203.0
27
18
8
M 190
 3
220
210.0
28
18
5
M 190
 3
240
214.0
28
18
8
M 200
 3
240
220.0
29
18
8
M 200
 3
250
226.0
29
18
8
Tr210 4 270 238.0 30 20 10
Tr220 4 280 250.0 32 20 10
Tr230 4 290 260.0 34 20 10
Tr240 4 300 270.0 34 20 10
Tr250 4 320 290.0 36 20 10
Tr260 4 330 300.0 36 24 12
Tr280 4 350 320.0 38 24 12

Dimensions in mm - source ISO 2982 Part 2 Locknut with 8 slots
Publication date: 2013
d1 thread size
 Pitch
d2

d3
h
b
t
Tr220 4 260 242 30 20 9
Tr240 4 290 270 34 20 10
Tr260 4 310 290 34 20 10
Tr280 4 330 310 38 24 10
Tr300 4 360 336 42 24 12
Tr300 4 380 340 40 24 12
Tr320 5 380 356 42 24 12
Tr320 5 400 360 42 24 12
Tr340 5 400 376 45 24 12
Tr340 5 440 400 55 28 15
Tr360 5 420 394 45 28 13
Tr360 5 460 420 58 28 15
Tr380 5 450 422 48 28 14
Tr380 5 490 440 60 32 18
Tr400 5 470 442 52 28 14
Tr400 5 520 460 62 32 18
Tr420 5 490 462 52 32 14
Tr420 5 540 490 70 32 18
Tr440 5 520 490 60 32 15
Tr440 5 560 510 70 36 20
Tr460 5 540 510 60 32 15
Tr460 5 580 540 75 36 20
Tr480 5 560 530 60 36 15
Tr480 5 620 560 75 36 20
Tr500 5 630 580 80 40 15
Tr500 5 580 550 68 36 23
Tr530 6 630 590 68 40 20
Tr530 6 670 610 80 40 23
Tr560 6 650 610 75 40 20
Tr560 6 710 650 85 45 25
Tr600 6 700 660 75 40 20
Tr600 6 750 690 85 45 25
Tr630 6 730 690 75 45 20
Tr630 6 800 0730 95 50 28
Tr670 6 780 0740 80 45 20
Tr670 6 850 0775 106 50 28
Tr710 7 830 0780 90 50 25
Tr710 7 900 0825 106 55 30
Tr750 7 870 0820 90 55 25
Tr750 7 950 0875 112 60 34
Tr800 7 920 0870 90 55 25
Tr800 7 1000 0925 112 60 34
Tr850 7 980 0925 90 60 25
Tr850 7 1060 0975 118 70 38
Tr900 7 1030 0975 100 60 25
Tr900 7 1120 1030 125 70 38
Tr950 7 1080 1025 100 60 25
Tr950 7 1170 1080 125 70 38
Tr1000 7 1140 1085 100 60 28
Tr1000 7 1240 1140 125 70 38
Tr1060 7 1200 1145 100 60 25
Tr1060 7 1300 1210 125 70 38
Tr1120 7 1260 1205 100 60 25

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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