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Suppliers of Roll bearing lock nuts

This product is regulated by the following standards:

DIN 981 ISO 2982

Technical data

Standard DIN 981

Locknuts - Rolling bearings

Dimensions in mm - source DIN 981 type KM Withdrawn
Publication date: 06 - 2009      Supersedes DIN 981: 02 - 1993
d1 thread size
 Pitch
d2 (h13)

d3 max(h13)
h (h13)

a (h11)
b (JS14)
t nom (h17)
 Type of suitable Lockwasher
M 10
 0.75
18
13.5
4
  14
3
2
 MB 0
M 12
 1
22
17.0
4
  18
3
2
 MB 1

M 15

 1
25
21.0
5
  21
4
2
 MB 2
M 17
 1
28
24.0
5
  24
4
2
 MB 3
M 20
 1
32
26.0
6
  28
4
2
 MB 4
M 25
 1.5
38
32.0
7
  34
5
2
 MB 5
M 30
 1.5
45
38.0
7
  41
5
2
 MB 6
M 35
 1.5
52
44.0
8
  48
5
 2 MB 7
M 40
 1.5
58
50.0
9
  53
6
2.5
 MB 8
M 45
 1.5
65
56.0
10
  60
6
2.5
 MB 9
M 50
 1.5
70
61.0
11
  65
6
2.5
 MB 10
M 55
 2
75
67.0
11
  69
7
3
 MB 11
M 60
 2
80
73.0
11
 74 
7
3
 MB 12
M 65
 2
85
79.0
12
  79
7
3
 MB 13
M 70
 2
92
85.0
12
  85
8
3.5
 MB 14
M 75
 2
98
90.0
13
  91
8
 3.5 MB 15
M 80
 2
105
95.0
15
  98
8
3.5
 MB 16
M 85
 2
110
102.0
16
  103
8
 3.5 MB 16
M 90
 2
120
108.0
16
  112
10
4
 MB 18
M 95
 2
125
113.0
17
  117
10
4
 MB 19
M 100
 2
130
120.0
18
  122
10
4
 MB 20
M 105
 2
140
126.0
18
  -
12
5
 MB 21
M 110
 2
145
133.0
19
  -
12
5
 MB 22
M 115
 2
150
137.0
19
  -
12
5
 MB 23
M 120
 2
145
135.0
20
  -
12
5
 MBL 24
M 120
 2
155
138.0
20
  -
12
5
 MB 24
M 125
 2
160
148.0
21
  -
12
5
 MB 25
M 130
 2
155
145.0
21
 - 
12
5
 MBL 26
M 130
 2
165
149.0
21
 - 
12
5
 MB 26
M 135
 2
175
160.0
22
 - 
14
6
 MB 27
M 140
 2
165
155.0
22
 - 
14
5
 MBL 28
M 140
 2
180
160.0
22
 - 
14
6
 MB 28
M 145
 2
190
171.0
24
 - 
14
6
 MB 29
M 150
 2
180
170.0
24
  -
14
5
 MBL 30
M 150
 2
195
171.0
24
  -
14
6
 MB 30
M 155
 3
200
182.0
25
  -
16
7
 MB 31
M 160
 3
190
180.0
25
  -
16
5
 MBL 32
M 160
 3
210
182.0
25
  -
16
7
 MB 32
M 165
 3
210
193.0
26
  -
16
7
 MB 33
M 170
 3
200
190.0
26
  -
16
5
 MBL 34
M 170
 3
220
190.3
26
  -
16
7
 MB 34
M 180
 3
210
200.0
27
  -
18
5
 MBL 36
M 180
 3
230
203.0
27
  -
18
8
 MB 36
M 190
 3
220
210.0
28
  -
18
5
 MBL 38
M 190
 3
240
214.0
28
  -
18
8
 MB 38
M 200
 3
240
220.0
29
  -
18
8
 MBL 40
M 200
 3
250
226.0
29
  -
18
8
 MB 40
Tr210 4 270 238.0 30 - 20 10 -
Tr220 4 280 250.0 32 - 20 10 MB 44
Tr230 4 290 260.0 34 - 20 10 -
Tr240 4 300 270.0 34 - 20 10 MB 48
Tr250 4 320 290.0 36 - 20 10 -
Tr260 4 330 300.0 36 - 24 12 MB 52
Tr280 4 350 320.0 38 - 24 12

MB 56

Dimensions in mm - source DIN 981 type HM Withdrawn
Publication date: 06 - 2009     Supersedes DIN 981: 02 - 1993 
d1 thread size
 Pitch
d2 (h13)

d3 max(h13)
h (h13)
b (JS14)
t nom (h17)
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

Dimensions in mm - source DIN 981 type HM Withdrawn
Publication date: 02-1993
d1 thread size
 Pitch
d2 (h13)
h (h13)
b (JS14)
t nom (h17)
 weigth x unit kg
Tr220 4 260 30 20 9 3.09
Tr220 4 280 32 20 10 5.16
Tr240 4 290 34 20 10 5.16
Tr240 4 300 34 20 10 5.91
Tr260 4 310 34 20 10 5.67
Tr260 4 330 35 24 12 8.4
Tr280 4 330 38 24 10 6.78
Tr280 4 350 36 24 12 8.99
Tr300 4 380 40 24 12 11.7
Tr300 3 360 42 24 12 9.62
Tr320 5 400 42 24 12 13
Tr320 5 380 42 24 12 9.94
Tr340 5 440 55 28 15 23
Tr340 5 400 45 24 12 11.7
Tr360 5 460 58 28 15 25
Tr360 5 420 45 28 13 12
Tr380 5 490 60 32 18 30.8
Tr380 5 450 48 28 14 14.9
Tr400 5 520 62 32 18 36.7
Tr400 5 470 52 28 14 16.9
Tr420 5 540 70 32 18 43.3
Tr420 5 490 52 32 14 17.4
Tr440 5 560 70 36 20 45.1
Tr440 5 520 60 32 15 26.2
Tr460 5 540 60 32 15 27
Tr460 5 580 75 36 20 50.2
Tr480 5 560 60 36 15 28.3
Tr480 5 620 75 36 20 62
Tr500 5 630 80 40 23 63.1
Tr500 5 580 68 36 15 33.6
Tr530 6 630 68 40 20 42.8
Tr530 6 670 80 40 23 74.3
Tr560 6 650 75 40 20 44.2
Tr560 6 710 85 45 25 88.9
Tr600 6 700 75 40 20 53.8
Tr600 6 750 85 45 25 94.9
Tr630 6 800 95 50 28 127
Tr630 6 730 75 45 20 56
Tr670 6 780 80 45 20 71.5
Tr670 6 850 106 50 28 162
Tr710 7 830 90 50 25 90.7
Tr710 7 900 106 55 30 180
Tr750 7 950 112 60 34 208
Tr750 7 870 90 55 25 95.1
Tr800 7 1000 112 60 34 221
Tr800 7 920 90 55 25 102
Tr850 7 1060 118 70 38 294
Tr850 7 980 90 60 25 118
Tr900 7 1030 100 60 25 139
Tr900 7 1120 125 70 38 303
Tr950 8 1080 100 60 25 148
Tr950 8 1170 125 70 38 321
Tr1000 8 1240 125 70 38 374
Tr1000 8 1140 100 60 25 170
Tr1060 8 1200 100 60 25 180
Tr1060 8 1300 125 70 38 396

Dimensions in mm - source DIN 981 type KM Withdrawn
Publication date: 02 - 1993  
d1 thread size
 Pitch
d2 (h13)
h (h13)
b (JS14)
t nom (h17)
 Type of suitable Lockwasher
M 10
 0.75
18
4
3
2
 MB 0
M 12
 1
22
4
3
2
 MB 1

M 15

 1
25
5
4
2
 MB 2
M 17
 1
28
5
4
2
 MB 3
M 20
 1
32
6
4
2
 MB 4
M 25
 1.5
38
7
5
2
 MB 5
M 30
 1.5
45
7
5
2
 MB 6
M 35
 1.5
52
8
5
 2 MB 7
M 40
 1.5
58
9
6
2.5
 MB 8
M 45
 1.5
65
10
6
2.5
 MB 9
M 50
 1.5
70
11
6
2.5
 MB 10
M 55
 2
75
11
7
3
 MB 11
M 60
 2
80
11
7
3
 MB 12
M 65
 2
85
12
7
3
 MB 13
M 70
 2
92
12
8
3.5
 MB 14
M 75
 2
98
13
8
 3.5 MB 15
M 80
 2
105
15
8
3.5
 MB 16
M 85
 2
110
16
8
 3.5 MB 16
M 90
 2
120
16
10
4
 MB 18
M 95
 2
125
17
10
4
 MB 19
M 100
 2
130
18
10
4
 MB 20
M 105
 2
140
18
12
5
 MB 21
M 110
 2
145
19
12
5
 MB 22
M 115
 2
150
19
12
5
 MB 23
M 120
 2
145
20
12
5
 MBL 24
M 120
 2
155
20
12
5
 MB 24
M 125
 2
160
21
12
5
 MB 25
M 130
 2
155
21
12
5
 MBL 26
M 130
 2
165
21
12
5
 MB 26
M 135
 2
175
22
14
6
 MB 27
M 140
 2
165
22
14
5
 MBL 28
M 140
 2
180
22
14
6
 MB 28
M 145
 2
190
24
14
6
 MB 29
M 150
 2
180
24
14
5
 MBL 30
M 150
 2
195
24
14
6
 MB 30
M 155
 3
200
25
16
7
 MB 31
M 160
 3
190
25
16
5
 MBL 32
M 160
 3
210
25
16
7
 MB 32
M 165
 3
210
26
16
7
 MB 33
M 170
 3
200
26
16
5
 MBL 34
M 170
 3
220
26
16
7
 MB 34
M 180
 3
210
27
18
5
 MBL 36
M 180
 3
230
27
18
8
 MB 36
M 190
 3
220
28
18
5
 MBL 38
M 190
 3
240
28
18
8
 MB 38
M 200
 3
240
29
18
8
 MBL 40
M 200
 3
250
29
18
8
 MB 40

Standard ISO 2982

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.

 

 

Dimensions in mm - source ISO 2982 part 2 Locknut with 4 slots
Publication date: 04/2013  Supersedes ISO 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

Full list of Suppliers of Roll bearing lock nuts

Turkey

AKS OTOMOTİV SAN. TİC. A.Ş.

Manufacturer of standard and special rings and washers.

Italy

Bonfanti S.N.C.

Producer of locking nuts for roll bearings

Taiwan

Fortune Bright Industrial Co

Manufacturer of self locking nuts

Germany

MBT Maschinenbauteile Scholze E.K.

 Manufacturer of flange bearings

Italy

PISCETTA FRATELLI S.R.L.

Manufacturer of  turned nuts and roll bearing lock nuts.

Italy

Faster S.R.L.

Faster, established about 30 years ago, has been specialized in fasteners, starting from a production of cage nuts in any material, deep threaded U nuts, push on fixes, clips, etc.. 

Packaging KIT of fixings and small metal parts.

Italy

C.T.M. Centro Trasmissioni Meccaniche Srl

Distributor of bearings, round nuts, bushings and turnbuckles

Italy

Colombo Ezio & C. S.r.l.

Leader since 1953 in the production of special and standard nuts and lock nuts

Germany

David Dorfmüller Söhne GmbH & Co. KG

Manufacturer of bearing lock nuts, flange nuts, coupling nuts and fasteners with large diameters

Iran

EKB

Distributor of stainless steel fasteners and bearing lock nuts

Italy

EUROFIX FASTENING SYSTEMS

Distributor of fast fixings, locking nuts and special screws

Germany

Hermann Fröhlich Maschinenelemente GmbH

Manufacturer of bearing lock nuts, parallel keys, precision turned parts for all indutrial branches, according to company standards, DIN standard, as well as customer-specific solutions based on samples

China

Jiaxing Hongsteel Co. Ltd

Taiwan-funded enterprise with 40 year experience in the fastener industry

Finland

Motiontek Oy

Importer and wholesaler of bearings, retaining rings and washers, lubricants and chemical fixings.

China

Ningbo Yinzhou Zhenhua Stamping Co.Ltd

Manufacturer of washers and stampings

Italy

Novelli Forniture Industriali

Distributor of rings, bushings, lock clips, bearing nuts, lubricating nipples, parallel keys, disc springs, pins

Italy

Rubix SpA - Brammer Italia S.r.l.

Distributor of bearings and tools

China

Shanghai Allen Bearing Co. Ltd.

Distributor of bearings

Switzerland

SKA

Distributor of roll bearing lock nuts

Italy

SKF Industrie SPA

Manufacturer specialized in bearings, lubrificants and ball screws

Italy

THK

Manufacturer of ball screws and bearing nuts

China

Zhejiang Boesion Transmission Technology

Reliable manufacture with 30 year experience.

Our products includes: locknut (KM AN KMT KMTA GUK GUP FUJI DIN 981 DIN 1804), spherical washers (DIN 6319), keys (DIN 6885 parallel keys, DIN 6888 woodruff keys), precision leveling adjuster and special parts according to customer design.


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