Miscellany

Hirth Coupling

    Number of Teeth Range: 12 teeth - 720 teeth

     

    Diameter: 50mm - 2000mm

     

    Accuracy Class: DIN 3 - DIN 8, JIS 0 - JIS 3, GB 2 - GB 6

     

    Type: Integral/ Split/ High-Precision Positioning

Shanghai Metal Corporation is a professional manufacturer and supplier of Hirth Coupling with high quality and reasonable price.

Hirth Coupling: A high-precision positioning component featuring end-face distributed teeth design, achieving rigid connection and precise indexing through tooth surface meshing. With a compact structure, it delivers ultra-high repeat positioning accuracy (up to ±1 arc-second) and torsional stiffness, ideal for applications requiring precise angular control and high-load stability.

Unlike traditional gears, the Hirth Coupling achieves zero-backlash transmission via full meshing of end-face teeth, eliminating engagement impact and wear issues common in conventional gears. Its split design allows rapid replacement and flexible installation. Surface treatments such as carburizing, quenching, and precision grinding ensure dimensional stability and wear resistance for long-term use.

If you want to know more about Hirth Coupling price please feel free to contact us, we will reply you within 24 hours


Technical Information of Hirth Coupling:

 

Common Specifications

Model

Outer
Dia.1

Outer Dia.2

Inner Dia.1

Teeth Num.

Teeth Interval

Upper Tck.

Inner Tck.

Total
Tck.

Upper Dist.

Tolerance

D1

D2

d1

N

F

H1

H2

H3

a

±A

B24200-120XV

200

198

120

24

9

21.63

16.5

40

1.63

1.45

B36200-120XV

200

198

120

36

11

21.52

16.5

40

1.52

1.36

B72200-120XV

200

198

120

72

9

20.99

16.5

40

0.99

0.89

B24200-135XV

210

208

135

24

13

21.71

16.5

40

1.71

1.53

B48210-135XV

210

208

135

48

13

21.71

16.5

40

1.71

1.53

B60250-160XV

250

248

160

60

9

21.63

16.5

40

1.63

1.45

B72250-160XV

250

248

160

72

11

21.42

16.5

40

1.42

1.27

B360250-160XV

250

248

160

360

7

20.5

16.5

40

0.5

0.4

B72280-190XV

280

278

190

72

11

21.42

16.5

40

1.42

1.27

B360280-190XV

280

278

190

360

8

20.6

16.5

40

0.6

0.5

Model

D1

D2

d1

N

F

H1

H2

H3

a

±A

B60320-210XV

320

318

210

60

11

30.46

25.5

58

1.46

1.3

B72320-210XV

320

318

210

72

11

30.74

25.5

58

1.74

1.55

B360320-210XV

320

318

210

360

9

29.6

25.5

58

0.6

0.5

B48400-280XV

400

398

280

48

13

31.52

26

60

1.52

1.36

B60400-280XV

400

398

280

60

15

31.82

26

60

1.82

1.62

B72400-280XV

400

398

280

72

13

31.52

26

60

1.52

1.36

B360400-280XV

400

398

280

360

13

30.6

26

60

0.6

0.5

B48520-415XV

520

518

415

48

15

31.97

26

60

1.97

1.76

B72520-415XV

520

518

415

72

15

31.97

26

60

1.97

1.76

B360520-415XV

520

518

415

360

15

30.8

26

60

0.8

0.7

Model

D1

D2

d1

N

F

H1

H2

H3

a

±A

B60600-480XV

600

598

480

60

15

36.95

29

70

1.95

1.74

B72600-480XV

600

598

480

72

19

37.28

29

70

2.28

2.04

B360600-480XV

600

598

480

360

15

36

29

70

1

0.9

B72700-560XV

700

698

560

72

19

36.7

29

70

1.7

1.5

B360700-560XV

700

698

560

360

19

36

29

70

1

0.9

B72800-660XV

800

798

660

72

22

39.3

32

75

1.7

1.5

B360800-660XV

800

798

660

360

22

39.2

32

75

1.5

1.4

B721000-830XV

1000

998

830

72

22

61.7

54.5

120

1.7

1.5

B3601000-830XV

1000

998

830

360

22

61.5

54.5

120

1.5

1.4

 

Hole Specifications 

Model 

Fixed Bolt Holes 

Dowel Pin Holes

Exit Bolt Holes

Hole Num

PCD

Hole Dia.

Upper Dia.

Hole Depth

Pin Hole Num

PCD

Hole Dia.

Outer Dia.

Teeth Hole Num.

PCD

M×P

H4

PCD

d2

d3

d4

N2

φ

n

PCD

M×P

B24200-120XV

8

150

9

14

8

4

150

22.5

8

2

150

M8×1.25

B36200-120XV

8

150

9

14

8

3

150

22.5

8

2

150

M8×1.25

B72200-120XV

12

150

9

14

8

3

150

22.5

8

2

150

M8×1.25

B24200-135XV

8

165

9

14

8

3

165

15

10

2

165

M8×1.25

B48210-135XV

8

165

9

14

8

3

165

15

10

2

165

M8×1.25

B60250-160XV

8

195

11

17.5

10

3

195

22.5

10

2

195

M10×1.5

B72250-160XV

8

195

11

17.5

10

3

195

22.5

10

2

195

M10×1.5

B360250-160XV

8

195

11

17.5

10

3

195

22.5

10

2

195

M10×1.5

B72280-190XV

8

222

13

20

12

3

222

22.5

10

2

222

M10×1.5

B360280-190XV

10

222

13

20

12

4

222

22.5

10

2

222

M10×1.5

Model

H4

PCD

d2

d3

d4

N2

φ

n

PCD

M×P

B60320-210XV

12

258

13

20

12

4

258

18

12

4

258

M12×1.75

B72320-210XV

12

258

13

20

12

3

258

15

12

4

258

M12×1.75

B360320-210XV

12

258

13

20

12

3

258

15

12

4

258

M12×1.75

B48400-280XV

12

335

13

20

12

3

335

15

12

4

335

M12×1.75

B60400-280XV

12

335

13

20

12

3

335

15

12

4

335

M12×1.75

B72400-280XV

12

335

13

20

12

3

335

15

12

4

335

M12×1.75

B360400-280XV

12

335

13

20

12

3

335

15

12

4

335

M12×1.75

B48520-415XV

12

450

13

20

12

3

450

15

12

4

450

M12×1.75

B72520-415XV

12

450

13

20

12

3

450

15

12

4

450

M12×1.75

B360520-415XV

12

450

13

20

12

3

450

15

12

4

450

M12×1.75

Model

H4

PCD

d2

d3

d4

N2

φ

n

PCD

M×P

B60600-480XV

12

530

17

26

16

4

530

15

12

4

530

M12×1.75

B72600-480XV

12

530

17

26

16

3

530

15

12

4

530

M12×1.75

B360600-480XV

12

530

17

26

16

3

530

15

12

4

530

M12×1.75

B72700-560XV

12

610

17

26

16

3

610

15

14

4

610

M12×1.75

B360700-560XV

12

610

17

26

16

3

610

15

14

4

610

M12×1.75

B72800-660XV

18

710

17

26

16

4

710

10

-

4

710

M12×1.75

B360800-660XV

18

710

17

26

16

4

710

10

-

4

710

M12×1.75

B721000-830XV

18

900

17

26

16

4

900

10

-

4

900

M12×1.75

B3601000-830XV

18

900

17

26

16

4

900

10

-

4

900

M12×1.75

Packaging of Hirth Coupling:

 

Shanghai Metal Products are packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.

1) Shanghai Metal Standard

2) Customization

 

 

 


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