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ASA 50 Type B S

A.S.A. 50

Bored to Size

5/8" Pitch Single

Catalog

Number

Number

of Teeth

Teeth

O.D.

Weight

in Lbs.

Available Bores

Includes Keyway & Setscrews

Hardened

50BS009

50BS009H

9

2.09

.3

5/8

3/4*

50BS010

50BS010H

10

2.30

.5

5/8

3/4

7/8

1*

50BS011

50BS011H

11

2.50

.6

5/8

3/4

7/8

1

50BS012

50BS012H

12

2.71

.6

5/8

3/4

7/8

1

1-1/8

1-3/16

1-1/4

50BS013

50BS013H

13

2.91

.8

5/8

3/4

7/8

1

1-1/8

1-3/16

1-1/4

50BS014

50BS014H

14

3.11

1.0

5/8

3/4

7/8

1

1-1/8

1-3/16

1-1/4

50BS015

50BS015H

15

3.32

1.2

5/8

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS016

50BS016H

16

3.52

1.5

5/8

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS017

50BS017H

17

3.75

1.7

5/8

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS018

50BS018H

18

3.92

2.0

5/8

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS019

50BS019H

19

4.12

2.2

5/8

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS020

50BS020H

20

4.32

2.5

5/8

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS021

50BS021H

21

4.52

2.6

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS022

50BS022H

22

4.75

2.8

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS023

50BS023H

23

4.92

3.2

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS024

50BS024H

24

5.12

4.0

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS025

25

5.32

4.3

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS026

26

5.52

4.5

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS028

28

5.92

4.8

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS030

30

6.32

5.2

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

50BS032

32

6.72

5.5

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

1-3/4

1-15/16

50BS035

35

7.32

6.5

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

1-3/4

1-15/16

50BS036

36

7.52

6.6

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

1-3/4

1-15/16

50BS040

40

8.32

7.8

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

1-3/4

1-15/16

50BS045

45

9.31

8.5

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

1-3/4

1-15/16

50BS060

60

12.30

14.0

3/4

7/8

1

1-1/8

1-3/16

1-1/4

1-3/8

1-7/16

1-1/2

1-3/4

1-15/16

Setscrews at 90 & 180 degrees to keyway.

Hub diameters vary to suit bore sizes.

Tooth dimensions available on 50 Teeth page.

See our Oil Field Sprocket Photos Page:

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