20° pressure angle

Bore tolerance H7

Supplied in pairs

Intermediate sizes & Special mitres to drawing
(tooling charges may apply)

All dimensions in inches

Shaft axes to intersect within +/- 0.025mm
Angular accuracy between shafts +/- 5mins
Mounting distance tolerance +0 / - 0.05mm

Standard tolerances, unless otherwise stated ±0.25mm

Code

Pitch Module

No. Teeth

dp

de

dm

Bore H7

F

Lm

A

A+V

S

BBM10/12

1

12

12

13.4

10

4

4

6.2

10.4

13.2

1.4

BBM10/16

16

16

17.4

12

5

5

5

11

15.1

1

BBM10/20

20

20

21.4

15

5

5

5

11

17.1

1.5

BBM10/25

25

25

26.4

16

5

5

7

13

21.5

1.5

BBM10/30

30

30

31.4

16

5

5

7

13

24.0

1.5

BBM10/36

36

36

37.4

16

5

5

7

13

26.9

1.5

BBM10/40

40

40

41.4

20

5

5

8

14

29.9

1.5