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.
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Technical Information of Hirth Coupling:
Common Specifications |
||||||||||
Model |
Outer |
Outer Dia.2 |
Inner Dia.1 |
Teeth Num. |
Teeth Interval |
Upper Tck. |
Inner Tck. |
Total |
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 |
Kφ |
dφ |
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 |
Kφ |
dφ |
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 |
Kφ |
dφ |
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