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  ASA 40 Type B

A.S.A. 40

B Type

1/2" Pitch Single

Catalog

Number

 Number

of Teeth

 Teeth

O.D.

 Stock

Bore

 Max.

Bore

 Hub

O.D.

 Length

thru Bore

 Weight

in Lbs.
Alloy Steel Stainless              
  Hardened                
40B008 40B008H   8 1.50 1/2 1/2 31/32* 7/8 .10
40B009 40B009H   9 1.67 1/2 5/8 1-3/32* 7/8 .18
40B010 40B010H 40B010SS 10 1.84 1/2 3/4 1-1/4* 7/8 .20
40B011 40B011H 40B011SS 11 2.00 1/2 13/16 1-7/16* 7/8 .25
40B012 40B012H 40B012SS 12 2.17 1/2 15/16 1-9/16* 7/8 .40
40B013 40B013H 40B013SS 13 2.33 1/2 1-1/16 1-9/16 7/8 .43
40B014 40B014H 40B014SS 14 2.49 1/2 1-1/8 1-11/16 7/8 .56
40B015 40B015H 40B015SS 15 2.65 1/2 1-1/4 1-13/16 7/8 .60
40B016 40B016H 40B016SS 16 2.81 5/8 1-3/8 2 7/8 .88
40B017 40B017H 40B017SS 17 2.98 5/8 1-7/16 2-1/8 7/8 1.00
40B018 40B018H 40B018SS 18 3.14 5/8 1-1/2 2-5/16 7/8 1.06
40B019 40B019H 40B019SS 19 3.30 5/8 1-3/4 2-1/2 1 1.30
40B020 40B020H 40B020SS 20 3.46 5/8 1-7/8 2-5/8 1 1.56
40B021 40B021H 40B021SS 21 3.62 5/8 1-7/8 2-3/4 1 1.68
40B022 40B022H 40B022SS 22 3.78 5/8 1-7/8 2-7/8 1 1.81
40B023 40B023H 40B023SS 23 3.94 5/8 2 3 1 2.18
40B024 40B024H 40B024SS 24 4.10 5/8 2-1/4 3-1/4 1 2.20
40B025 40B025H 40B025SS 25 4.26 5/8 2-1/4 3-1/4 1 2.37
40B026   40B026SS 26 4.42 5/8 2-1/4 3-1/4 1 2.10
40B027     27 4.58 5/8 2-1/4 3-1/4 1 2.50
40B028   40B028SS 28 4.74 5/8 2-1/4 3-1/4 1 2.75
40B029     29 4.90 5/8 2-1/4 3-1/4 1 2.81
40B030   40B030SS 30 5.06 5/8 2-1/4 3-1/4 1 2.87
40B031     31 5.22 5/8 2-1/4 3-1/4 1 2.90
40B032     32 5.38 5/8 2-1/4 3-1/4 1 3.00
40B033     33 5.54 5/8 2-1/4 3-1/4 1 3.15
40B034     34 5.70 5/8 2-1/4 3-1/4 1 3.30
40B035   40B035SS 35 5.86 5/8 2-1/4 3-1/4 1 3.50
40B036     36 6.02 5/8 2-1/4 3-1/4 1 3.70
40B037     37 6.18 5/8 2-1/4 3-1/4 1 3.75
40B038     38 6.33 5/8 2-3/8 3-1/2 1 3.80
40B039     39 6.49 5/8 2-3/8 3-1/2 1 3.90
40B040   40B040SS 40 6.65 5/8 2-3/8 3-1/2 1 4.00
40B041     41 6.81 5/8 2-1/2 3-1/2 1 4.10
40B042     42 6.97 3/4 2-1/2 3-3/4 1 4.20
40B043     43 7.13 3/4 2-1/2 3-3/4 1 4.30
40B044     44 7.29 3/4 2-1/2 3-3/4 1 4.40
40B045   40B045SS 45 7.45 3/4 2-1/2 3-3/4 1 4.50
40B046     46 7.61 3/4 2-1/2 3-3/4 1 4.75
40B047     47 7.77 3/4 2-1/2 3-3/4 1 5.00
40B048     48 7.93 3/4 2-1/2 3-3/4 1 5.12
40B049     49 8.09 3/4 2-1/2 3-3/4 1 5.20
40B050     50 8.25 3/4 2-1/2 3-3/4 1 5.27
40B051     51 8.41 3/4 2-1/2 3-3/4 1 5.50
40B052     52 8.57 3/4 2-1/2 3-3/4 1 5.60
40B053     53 8.73 3/4 2-1/2 3-3/4 1 6.00
40B054     54 8.89 3/4 2-1/2 3-3/4 1 6.20
40B055     55 9.04 3/4 2-1/2 3-3/4 1 6.30
40B056     56 9.20 3/4 2-1/2 3-3/4 1 6.40
40B057     57 9.36 3/4 2-1/2 3-3/4 1 6.60
40B058     58 9.52 3/4 2-1/2 3-3/4 1 6.80
40B059     59 9.68 3/4 2-1/2 3-3/4 1 7.00
40B060   40B60SS 60 9.84 3/4 2-1/2 3-3/4 1 7.20
40B070     70 11.43 3/4 2-3/4 4 1-1/4 10.0
40B072     72 11.75 3/4 2-3/4 4 1-1/4 12.0
40B080     80 13.03 1 2-3/4 4 1-1/4 13.0
40B084     84 13.66 1 2-3/4 4 1-1/4 14.0
40B096     96 15.57 1 2-3/4 4 1-1/4 20.0
40B112     112 18.12 1 2-3/4 4 1-1/4 25.0

* Hub diameters grooved for chain clearance.

Tooth dimensions available on 40 Teeth page.


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