Click here to view an Adobe print preview...


STANDARD BOSSES

BORE

A

B

GRUBSCREW

 

 

 

 

 

OVER KEY

INCH

MM

INCH

MM

MM

(IF REQUESTED)

 

 

 

 

 

 

1.00

25.4

2.00

50.8

20

M6

1.50

38.1

2.50

63.5

20

M8

2.00

50.8

3.50

88.9

25

M10

2.50

63.5

4.00

101.6

25

M12

3.00

76.2

4.50

114.3

25

M12

3.50

88.9

5.50

139.7

25

M12

4.00

101.6

6.00

152.4

25

M12

5.00

127

7.50

190.5

25

M12

6.00

152.4

9.00

228.6

25

M12

7.00

177.8

10.50

266.7

30

M16

8.00

203.2

11.50

292.1

30

M16

9.00

228.6

13.00

330.2

30

M16

 

 

 

 

 

 

 

 

Note:
For intermediate shaft sizes - use the next largest Bore size unless otherwise stated - Bosses will be keywayed for rectangular Gib
Head taper keys to B.S. 46 Part 1 - 1958 Table 3.
Boss faces will be machined as necessary.
Key Drive direction will be as shown unless otherwise specified.

Style 'A' Style 'B' Style 'C' Style 'D'
SPROCKET STYLE A SPROCKET STYLE B SPROCKET STYLE C SPROCKET STYLE D

 

Style 'H'   Style 'I'  
SPROCKET STYLE H   SPROCKET STYLE I  

 

Detail requirements

[FrontPage Save Results Component]
Chain number Flame hardened teeth
Roller diameter Pilot bore only
Number of teeth Pilot bore diameter
Style Number of segments
Bore diameter State specific segment drilling details
Keyway details Grubscrew requirement
Distance through bore Previous Ewart order number
(if applicable)
Boss diameter (if non-standard    

 


The tabular dimensions and weights are approximate and are not binding.
Design improvements may result in variation from the published figures and verification is recommended.
Click here to view an Adobe print preview...