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Straight tooth, Metric pitch

Precision cut, hardened

Material: C45E DIN 1.1191
Profil: milled
Teeth: pressure angle α = 20°
precision cut
hardened (ca. HRC 56)
Quality: 9h25 DIN 3962/63/67
pf  (mm): Tolerance of cut for continuous
mounting  -0.05/-0.2
Fp (mm):

Cumulative pitch error

Download CAD file Download CAD Files (PDF, DXF, DWG, STEP, IGES, X_T)

Type

Part No.

L

L1

Module

p

h0

b

h

h1

D

d

b1

f

Fp

m(kg)

 

A 2929

903523

2000

1900

3.183

10.0

25.82

29

29

11.5

15

9.0

9

2

0.142

12.0

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903524

1200

1100

3.183

10.0

0.108

7.2

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903525

800

700

3.183

10.0

0.092

4.8

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A 3939

903526

2000

1900

3.979

12.5

35.02

39

39

14.0

18

11.0

11

2

0.137

22.5

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903527

1200

1100

3.979

12.5

0.108

13.5

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903528

800

700

3.979

12.5

0.094

9.8

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A 4949

903667

2000

1900

5.093

16.0

43.91

49

49

24.0

20

13.5

13

-

0.121

35.3

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903668

1200

1100

5.093

16.0

0.099

21.2

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903669

800

700

5.093

16.0

0.088

14.2

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A 5959

903670

2000

1900

6.366

20.0

52.63

59

59

29.0

20

13.5

13

-

0.125

50.5

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903671

1200

1100

6.366

20.0

0.104

30.3

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903672

800

700

6.366

20.0

0.094

20.2

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A 7979

903664

2000

1900

7.958

25.0

71.04

79

79

39.0

26

17.5

17.5

-

0.115

89.3

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903665

1200

1100

7.958

25.0

0.098

53.6

Download CAD file

903666

800

700

7.958

25.0

0.090

35.7

Download CAD file
p (mm): pitch

L2: face width

Load table

p

Modul

 

z

L2

 

FN [N]

TN [Nm]

2.0

0.637

 

25

9.5

     

2.0

0.637

 

30

9.5

     

5.0

1.592

 

20

11.5

     

5.0

1.592

 

20

14.5

     

7.5

2.387

 

20

19.5

     

10.0

3.183

 

14

29.5

 

5997

134

10.0

3.183

 

20

29.5

 

7844

250

12.5

3.979

 

14

40.0

 

11300

315

12.5

3.979

 

20

40.0

 

14145

563

12.5

3.979

 

26

40.0

 

14189

734

16.0

5.093

 

20

50.0

 

27058

1378

20.0

6.366

 

20

60.0

 

42719

2720

25.0

7.958

 

20

80.0

 

76558

6092

The rack can be supplied precision cut or hardened and ground. The values given are values for shock-free operation, good lubrication and stiff arrangement of the pinion.
A safety factor for tooth root stress SF ≥ 1.4 and a safety factor for Hertzian stress SH ≥ 1.0 is taken in account.

Depending on your experiences and the application a safety factor SB ≈ 1.0 ... 4.0 has to be considered. The traction force FN is related to the number of teeth z of the pinion.