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Finished hole pulley

Finished hole pulley

AK cast iron pulleys Single groove pulleys "4L" belts for "3L" or "A" belts can be used with these pulleys, as shown in the table below. 1/25" for 32" holes and smaller ★Caution—do not use...

AK Cast iron pulley

  Single groove wheel for "4L" or "A" belt
"3L" belt can be used with these pulleys, as shown in the following table
  Picture 10.jpg
Table 1 Blank size—finished hole

section
No.

直径

Types of

Stock hole marked "X"

Size

Weight pounds

outer

Date
 "One"

Pitch"
 3L"

1 / 2"

5 / 8"

3 / 4"

7 / 8"

15 / 16"

1"

1 1/8"

1 3/16"

1 1/4"

1 3/8"

1 7/16"

F

L

P

C

▲AK17

1.75 "

1.50 "

116 "

1

X

X

-

-

-

-

-

-

-

-

-

21 / 32"

15 / 16"

7 / 16"

5 / 32"

.2

▲AK20

2.00

1.80

1.46

1

X

X

X

-

-

-

-

-

-

-

-

21/32

15/16

7/16

5/32

.3

▲AK21

2.10

1.90

1.56

1

X

X

X

-

-

-

-

-

-

-

-

21/32

15/16

7/16

5/32

.4

▲AK22

2.20

2.00

1.66

1

X

X

X

-

-

-

-

-

-

-

-

21/32

15/16

7/16

5/32

.5

▲AK23

2.30

2.10

1.76

1

X

X

X

-

-

-

-

-

-

-

-

21/32

15/16

7/16

5/32

.5

▲AK25

2.50

2.30

1.96

2

X

X

X

-

-

-

-

-

-

-

-

21/32

15/16

7/16

5/32

.5

▲AK26

2.60

2.40

2.06

2

X

X

X

-

-

-

-

-

-

-

-

21/32

15/16

7/16

5/32

.5

▲AK27

2.70

2.50

2.16

2

X

X

X

-

-

-

-

-

-

-

-

21/32

15/16

7/16

5/32

.6

▲AK28

2.80

2.60

2.26

2

X

X

X

-

-

-

-

-

-

-

-

21/32

15/16

7/16

5/32

.7

▲AK30

3.05

2.80

2.46

2

X

X

X

X

-

-

-

-

-

-

-

21/32

15/16

7/16

5/32

.7

▲AK32

3.25

3.00

2.66

2

X

X

X

X

-

-

-

-

-

-

-

21/32

15/16

7/16

5/32

.7

▲AK34

3.45

3.20

2.86

2

X

X

X

X

-

-

-

-

-

-

-

21/32

15/16

7/16

5/32

.9

AK39

3.75

3.50

3.16

2

X

X

X

X

X

X

-

-

-

-

-

3/4

1 5 / 32

15/32

1/16

1.4

AK41

3.95

3.70

3.36

2

X

X

X

X

X

X

-

-

-

-

-

3/4

1 5 / 32

15/32

1/16

1.5

AK44

4.25

4.00

3.66

3

X

X

X

X

X

X

X

-

-

-

-

3/4

1 5 / 32

15/32

1/16

1.5

AK46

4.45

4.20

3.86

3

X

X

X

X

X

X

X

-

-

-

-

3/4

1 5 / 32

15/32

1/16

1.5

AK49

4.75

4.50

4.16

3

X

X

X

X

X

X

X

-

-

-

-

3/4

1 5 / 32

15/32

1/16

1.7

AK51

4.95

4.70

4.36

3

X

X

X

X

-

X

X

-

-

-

-

3/4

1 5 / 32

15/32

1/16

1.7

AK54

5.25

5.00

4.66

3

X

X

X

X

X

X

X

X

-

-

-

3/4

1 5 / 32

15/32

1/16

1.8

AK56

5.45

5.20

4.86

3

X

X

X

X

X

X

X

X

-

-

-

3/4

1 5 / 32

15/32

1/16

1.9

AK59

5.75

5.50

5.16

3

X

X

X

X

X

X

X

X

-

-

-

3/4

1 5 / 32

15/32

1/16

2.0

AK61

5.95

5.70

5.36

3

X

X

X

X

X

X

X

X

-

-

-

3/4

1 5 / 32

15/32

1/16

2.1

AK64

6.25

6.00

5.66

3

X

X

X

X

X

X

X

X

-

-

-

3/4

1 5 / 32

15/32

1/16

2.2

AK66

6.45

6.20

5.86

3

-

X

X

-

-

X

X

-

-

-

-

3/4

1 5 / 32

15/32

1/16

2.3

AK69

6.75

6.50

6.16

3

-

-

X

-

-

X

X

-

-

-

-

3/4

1 15 / 32

23/32

0

3.5

AK71

6.95

6.70

6.36

3

-

X

X

-

-

X

X

X

-

-

X

3/4

1 15 / 32

23/32

0

3.8

▲AK74

7.25

7.00

6.66

3

X

X

X

-

X

X

X

X

X

-

X

3/4

1 15 / 32

23/32

0 ★

3.4

▲AK79

7.75

7.50

7.16

3

-

-

X

-

-

X

X

-

-

-

X

3/4

1 15 / 32

23/32

0

4.0

▲AK84

8.25

8.00

7.66

3

X

X

X

-

X

X

-

X

-

-

X

3/4

1 15 / 32

23/32 ★

0 ★

3.8

▲AK89

8.75

8.50

8.16

3

-

-

X

-

-

X

X

-

-

-

X

3/4

1 15 / 32

23/32

0

4.3

▲AK94

9.25

9.00

8.66

3

X

X

X

-

X

X

-

X

X

-

X

3/4

1 15 / 32

23/32 ★

0 ★

4.5

▲AK99

9.75

9.50

9.16

3

-

-

X

-

-

X

-

-

-

-

X

3/4

1 15 / 32

23/32

0

5.3

▲AK104

10.25

10.00

9.66

3

-

X

X

-

-

X

-

X

X

X

X

3/4

1 15 / 32

23/23 ★

0 ★

5.1

▲AK109

10.75

10.50

10.16

3

-

-

X

-

-

X

-

-

-

X

X

3/4

1 15 / 32

23/32

0

5.8

▲AK114

11.25

11.00

10.66

3

-

-

X

-

-

X

-

X

-

-

X

3/4

1 15 / 32

23/32 ★

0 ★

5.6

▲AK124

12.25

12.00

11.66

3

-

X

X

-

-

X

-

X

X

-

X

3/4

1 15 / 32

23/32 ★

0 ★

6.5

AK134

13.25

13.00

12.66

3

-

-

X

-

-

X

-

X

-

X

X

3/4

1 15 / 32

23/32

0

7.5

AK144

14.25

14.00

13.66

3

-

-

X

-

-

X

-

X

-

-

X

3/4

1 15//32

23/32

0

8.5

AK154

15.25

15.00

14.66

3

-

-

X

-

-

X

-

X

-

X

X

3/4

1 15 / 32

23/32

0

9.8

AK184

18.25

18.00

17.66

3

_

_

X

_

_

X

_

X

-

_

X

3/4

1 15 / 32

23/32

0

12.1


★ P=25/32" and C=1/16" for 1" holes and smaller

★Caution——Do not use these "AK" pulleys, the diameter of which is 1" and below, with entrainment rating

Picture 38.jpg

Powermach "AK" pulleys are precisely machined
Made of fine-grained cast iron, statically balanced, painted
And individually packaged they come with
Standard key seat and hollow head fixing screws.


Picture 9(001).jpg


2AK Cast iron pulley

Two sheaves for "4L" or "A" belt
"3L" belt can be used with these pulleys shown in the table
Picture 10.jpg
 Table 1 Blank size—finished hole
 直径 Stock hole marked "X"  Size

Serial number

Output
-侧

Date
 "One"

asphalt
 "3L"

Types of

1 / 2"

5 / 8"

3 / 4"

7 / 8"

15 / 16"

1"

1 1/8"

1 3/16"

1 3/8"

1 7/16"

F

L

P

C

Wt  

lb

2AK20

2.00 "

1.80 "

1.46 "

1

X

X

X

-

-

-

-

-

-

1 3/8"

1 21/32"

15 / 32"

3 / 16"

.8

2AK21

2.15

1.90

1.56

1

X

X

X

-

-

-

_

-

-

13/8

1 21 / 32

15/32

3/16

.9

2AK22

2.25

2.00

1.66

1

X

X

X

X

_

-

1 3 / 8

1 21 / 32

15/32

3/16

.9

2AK23

2.35

2.10

1.76

1

X

X

X

-

X

_

_

_

-

13/8

1 21 / 32

15/32

3/16

1.1

2AK25

2.55

2.30

1.96

1

-

X

X

X

-

X

-

-

-

-

1 3 / 8

1 21 / 32

15/32

3/16

1.3

2AK26

2.65

2.40

2.06

1


X

X

X


X





1 3 / 8

1 21 / 32

15/32

3/16

1.4

2AK27

2.75

2.50

2.16

1

_

X

X

X

-

X

_

_

-

-

13/8

1 21 / 32

15/32

3/16

1.5

2AK28

2.85

2.60

2.26

1

-

X

X

X

-

X

-

-

-

-

1 3 / 8

1 21 / 32

15/32

3/16

1.8

2AK30

3.05

2.80

2.46

1

X

X

X

X

_

X

X

_

-

-

13/8

1 21 / 32

15/32

3/16

1.8

2AK32

3.25

3.00

2.66

1

-

X

X

X

-

X

X

-

-

-

1 3 / 8

1 21 / 32

15/32

3/16

2.1

2AK34

3.45

3.20

2.86

1


X

X

X


X

X




13/8

1 21 / 32

15/32

3/16

2.3

2AK39

3.75

3.50

3.16

2

-

X

X

X

X

X

-

-

-

1 3 / 8

1 11 / 32

15/32

1/2

2.6

2AK41

3.95

3.70

3.36

2

-

X

X

X

-

X

X

_

-

-

13/8

1 11 / 32

15/32

1/2

2.9

2AK44

4.25

4.00

3.66

2

_

X

X

X

X

X

_

_

-

13/8

1 11 / 32

15/32

1/2

3.0

2AK46

4.45

4.20

3.86

2

_

-

-

X

-

X

X

-

-

-

1 3 / 8

1 11 / 32

15/32

1/2

3.1

2AK49

4.75

4.50

4.16

2



X

X


X

X


X

_

13/8

1 11 / 32

15/32

1/2

3.6

2AK51

4.95

4.70

4.36

2


_

X

X

-

X

X

_

X

-

13/8

1 11 / 32

15/32

1/2

3.8

2AK54

5.25

5.00

4.66

3

_

X

X

X

_

X

X

_

X

-

1 3 / 8

1 11 / 32

15/32

1/2

3.3

2AK56

5.45

5.20

4.86

3

-

X

X

_

-

X

X

_

X

-

13/8

1 11 / 32

15/32

1/2

3.4

2AK59

5.75

5.50

5.16

3

-

-

-

-

-

X

X

-

X

-

1 3 / 8

1 11 / 32

15/32

1/2

3.5

2AK61

5.95

5.70

5.36

3

_

_

X

X

-

X

X

_

X

_

13/8

1 11 / 32

15/32

1/2

3.6

2AK64

6.25

6.00

5.66

3

X

X

X

X

X

X

13/8

1 19 / 32

11/32

1/8

4.8

2AK74

7.25

7.00

6.66

3

-

-

X

-

_

X

X

X

X

X

1 3 / 8

1 19 / 32

11/32

1/8

5.6

2AK84

8.25

8.00

7.66

3

-

-

X

-

X

X

X

X

X

X

13/8

1 19 / 32

11/32

1/8

6.4

2AK94

9.25

9.00

8.66

3

-

-

X

-

-

X

X

X

X

X

1 3 / 8

1 19 / 32

11/32

1/8

7.3

2AK104

10.25

10.00

9.66

3

-

-

X

-

X

X

-

-

-

X

13/8

1 19 / 32

11/32

1/8

8.1

2AK114

11.25

11.00

10.66

3

-

-

X

_

X

-

X

X

X

13/8

1 19 / 32

11/32

1/8

9.0

2AK124

12.25

12.00

11.66

3

-

_

X

-

-

X

-

X

-

X

1 3 / 8

1 19 / 32

11/32

1/8

9.8

2AK134

13.25

13.00

12.66

3








X

X

1 3 / 8

1 19 / 32

11/32

1/8

12.3

2AK144

14.25

14.00

13.66

3

-

-

_

-

_

X

_

_

_

X

1 3 / 8

1 19 / 32

11/32

1/8

13.9

2AK154

15.25

15.00

14.66

3








X

_

X

13/8

1 19 / 32

11/32

1/8

14.3

2AK184

18.25

18.00

17.66

3








X

-

X

13/8

1 19 / 32

11/32

1/8

17.4


Picture 11(001).jpg

BKI Cast iron pulley

  Single groove wheel for "4L" or "A" belt and "5L" or "B" belt   Picture 2.jpg
Table No_1 Blank size—finished hole  

Part number
Output
-侧

Date
"One"

Date
"B"

lype

1 / 2"

5 / 8"

3 / 4"

7 / 8"

15 / 16"

1"

1 1/8"

13 / 16"

1 1/4"

1 3/8"

1
7 / 16"

F

L

P

lb
C

▲BK24 2.40"

1.80 "

2.20 "

1

X

X

X









13 / 16"

1 1/16"

13 / 32"

5/32" .4

▲BK25 2.50

1.90

2.30

1

X

X

X

X








13/16

1 1 / 16

13/32

5/32 .5

▲BK26 2.60

2.00

2.40

1

X

X

X

X








13/16

1 1 / 16

13/32

5/32 .6

▲BK27 2.70

2.10

2.50

2

X

X

X

X








13/16

1 1 / 16

13/32

5/32 .6

▲BK28 2.95

2.20

2.60

2

X

X

X

X








13/16

1 1 / 16

13/32

5/32 .8

▲ BK30 3.15

2.40

2.80

2

X

X

X

X








13/16

1 1 / 16

13/32

5/32 .8

▲ BK32 3.35

2.60

3.00

2

X

X

X

X








13/16

1 1 / 16

13/32

5/32 .8

B K34 3.55

2.80

3.20

2

X

X

X

X

-

X

X

-

-

_

7/8

1 5 / 32

13/32

1 / 8 1.3

BK36 3.75

3.00

3.40

2

X

X

X

X

X

X

-

_

_

7/8

1 5 / 32

13/32

1 / 8 1.5

BK40 3.95

3.20

3.60

2

X

X

X

X

-

X

X

-

_

-

-

7/8

1 5 / 32

13/32

1 / 8 1.5

BK45 4.25

3.50

3.90

2

X

X

X

X


X

X





7/8

1 5 / 32

13/32

1 / 8 1.8

BK47 4.45

3.70

4.10

2

X

X

X

X

_

X

X

_

_

_

7/8

1 5 / 32

13/32

1 / 8 1.9

BK50 4.75

4.00

4.40

3

X

X

X

X

X

X

X

-

-

-

7/8

1 5 / 32

13/32

1 / 8 2.0

BK52 4.95

4.20

4.60

3

X

X

X

X

X

X

-

-

7/8

1 5 / 32

13/32

1 / 8 2.0

BK55 5.25

4.50

4.90

3

X

X

X

X

-

X

X

X

-

-

-

7/8

1 5 / 32

13/32

1 / 8 2.2

BK57 5.45

4.70

5.10

3


X

X

X

X

X

X





7/8

1 5 / 32

13/32

1 / 8 2.3

BK60 5.75

5.00

5.40

3

X

X

X

X

_

X

X

X

_

_

_

7/8

1 5 / 32

13/32

1 / 8 2.3

BK62 5.95

5.20

5.60

3

X

X

X

X

X

X

X

X

_

_

7/8

1 5 / 32

13/32

1 / 8 2.4

BK65 6.25

5.50

5.90

3

-

X

X

_

_

X

X


-

_

_

7/8

1 5 / 32

13/32

1 / 8 2.7

BK67 6.45

5.70

6.10

3

-

X

X

-

-

X

X

-

-

-

-

7/8

1 5 / 32

13/32

1 / 8 2.8

BK70 6.75

6.00

6.40

3

X

X

X

X

X

X

X

7/8

1 15 / 32

21/32★

1/16★ 3.3

BK72 6.95

6.20

6.60

3

_

_

X

_

_

X

X

_

_

X

_

7/8

1 15 / 32

21/32

1 / 16 3.9

BK75 7.25

6.50

6.90

3

_

_

X

_

_

X

X

_

-

X

-

7/8

1 15 / 32

21/32

1 / 16 3.9

BK77 7.45

6.70

7.10

3

-

-

X

_

-

X

X

-

_

X

-

7/8

1 15 / 32

21/32

1 / 16 4.1

BK80 7.75

7.00

7.40

3

-

X

X

X

-

X

X

X

X

X

X

7/8

1 15 / 32

21/32

1 / 16 4.4

BK85 8.25

7.50

7.90

3



X



X

X



X

X

7/8

1 15 / 32

21/32

1 / 16 5.0

BK90 8.75

8.00

8.40

3

-

X

X

X

X

X

X

_

X

X

7/8

1 15 / 32

21/32

1 / 16 5.0

BK95 9.25

8.50

8.90

3

_

-

X

-

X

X

-

X

X

7/8

1 15 / 32

21/32

1 / 16 5.4

BK100 9.75

9.00

9.40

3

_

_

X

X

X

X

X

X

X

X

X

7/8

1 15 / 32

21/32

1 / 16 5.6

BK105 10.25

9.50

9.90

3

-

_

-

-

X

-

-

-

X

X

7/8

1 15 / 32

21/32

1 / 16 5.8

BK110 10.75

10.00

10.40

3


_

X


-

X

X

X

_

X

X

7/8

1 15 / 32

21/32

1 / 16 6.4

BK115 11.25

10.50

10.90

3






X




X

X

7/8

1 15 / 32

21/32

1 / 16 6.9

BK120 11.75

11.00

11.40

3

-

-

X

-

X

-

X

-

X

X

7/8

1 15 / 32

21/32

1 / 16 7.4

BK130 12.75

12.00

12.40

3

_

-

X

_


X

X

X

X

-

X

7/8

1 15 / 32

21/32

1 / 16 8.4

BK140 13.75

13.00

13.40

3

_

-

X

-

X

-

X

-

_

X

7/8

1 15 / 32

21/32

1 / 16 9.4

BK160 15.75

15.00

15.40

3






X

X

X

X

_

X

7/8

1 15 / 32

21/32

1 / 16 11.4

BK190 18.75

18.00

18.40

3






X

X

X

_

X

7/8

1 15 / 32

21/32

1 / 16 13.4


★ P=1%?u and C=1/8" for 1,,u holes and smaller

▲Caution—Do not use these "BK" pulleys with a "B" grip belt rating.


Picture 1(001).jpg

2BK Cast iron pulley 

  Two sheaves for "4L" or "A" belt and "5L" or "B" belt Picture 2.jpg
Table 1 Blank size—finished hole

section
Serial number

直径

Types of

Stock hole marked "X"

Size

Wt.
lb

Output
-侧

Date
"One"

Date
"B"

1 / 2"

5 / 8"

3 / 4"

7 / 8"

1"

1 1/8"

1 3/16"

1 3/8"

1 7/16"

F

L

P

C

2BK25

2.50 "

1.90 "

2.30 "

1

X

X

X

X

-

-

-

-

-

13 / 4"

131 / 32"

15 / 32"

1 / 4"

1.3

2BK27

2.70

2.10

2.50

1

X

X

X

X

X

-

-

-

-

13/4

1 31 / 32

15/32

1/4

1.6

2BK28

2.95

2.20

2.60

1

X

X

X

X

X

X

-

-

-

13/4

1 31 / 32

15/32

1/4

1.9

2BK30

3.15

2.40

2.80

1

X

X

X

X

X

X

-

-

_

13/4

1 31 / 32

15/32

1/4

2.3

2BK32

3.35

2.60

3.00

1

-

X

-

X

X

X

-

-

-

1 3 / 4

1 31 / 32

15/32

1/4

2.6

2BK34

3.55

2.80

3.20

1


X

X

X

X

X




1 3 / 4

1 31 / 32

15/32

1/4

2.8

2BK36

3.75

3.00

3.40

1

_

-

X

X

X

X

-

X

_

13/4

1 31 / 32

15/32

1/4

3.3

2BK40

3.95

3.20

3.60

2

_

X

X

X

X

X

_

_

13/4

1 15 / 32

15/32

3/4

3.3

2BK45

4.25

3.50

3.90

2

-

_

_

_

X

X

_

X

_

13/4

1 15 / 32

15/32

3/4

3.3

2BK47

4.45

3.70

4.10

2

-

-

-

X

X

X

-

-

-

13/4

1 15 / 32

15/32

3/4

3.7

2BK50

4.75

4.00

4.40

2



X


X

X


X


13/4

1 15 / 32

15/32

3/4

4.1

2BK52

4.95

4.20

4.60

2

_

-

_

X

X

X

_

X

_

13/4

1 15 / 32

15/32

3/4

4.5

2BK55

5.25

4.50

4.90

2

_

_

_

_

_

X

_

X

-

1 3 / 4

1 15 / 32

15/32

3/4

4.5

2BK57

5.45

4.70

5.10

2

-

-

-

X

X

-

X

_

13/4

1 15 / 32

15/32

3/4

5.1

2BK60

5.75

5.00

5.40

3

_

X

X

X

X

X

_

13/4

1 15 / 32

15/32

3/4

4.9

2BK62

5.95

5.20

5.60

3

-

-

-

-

X

X

-

X

-

13/4

1 15 / 32

15/32

3/4

4.8

2BK65

6.25

5.50

5.90

3





X

X


X


13/4

1 15 / 32

15/32

3/4

5.0

2BK67

6.45

5.70

6.10

3

-

_

-

X

X

-

X

_

13/4

1 15 / 32

15/32

3/4

5.0

2BK70

6.75

6.00

6.40

3

_

-

X

_

X

X

X

X

X

1 3 / 4

1 19 / 32

11/32

1/2

6.6

2BK80

7.75

7.00

7.40

3

-

_

X

_

X

X

X

X

X

13/4

1 19 / 32

11/32

1/2

7.2

2BK90

8.75

8.00

8.40

3

-

X

_

X

X

X

X

X

13/4

1 19 / 32

11/32

1/2

8.4

2BK100

9.75

9.00

9.40

3

-

-

X

-

X

-

X

X

X

1 3 / 4

1 19 / 32

11/32

1/2

9.4

2BK110

10.75

10.00

10.40

3





X


X


X

13/4

1 19 / 32

11/32

1/2

10.4

2BK120

11.75

11.00

11.40

3

_

_

-

X

_

X

_

X

13/4

1 19 / 32

11/32

1/2

11.8

2BK130

12.75

12.00

12.40

3

_

-

_

-

X

-

X

_

X

13/4

1 19 / 32

11/32

1/2

14.9

2BK140

13.75

13.00

13.40

3

_

-

_

_

X

-

X

-

X

13/4

1 19 / 32

11/32

1/2

16.3

2BK160

15.75

15.00

15.40

3

_

_

_

_

X

-

X

-

X

13/4

1 19 / 32

11/32

1/2

18.0

2BK190

18.75

18.00

18.40

3







X

-

X

13/4

1 19 / 32

11/32

1/2

23.3


Picture 6(001).jpg


3BK I Cast iron pulley

Three groove pulley
Combination slot
For "4L" or "A" belt and "5L" or "B" belt
Picture 2.jpg
Table 1 Blank size—finished hole

Part number

直径

Types of

Stock hole marked "X"

WT.
lb

outer

Data "A"

Data "B"

5 / 8"

7 / 8"

1"

1 1/8"

F

L

P

3BK25

2.50 "

1.9 "

2.3 "

1

X

X

-

-

2 1 / 2

3"

1/2

1.70

3BK27

2.70

2.10

2.50

1

X

X

X

-

2 1 / 2

3.00

1/2

2.10

3BK28

2.95

2.20

2.60

1

X

X

X

X

2 1 / 2

3.00

1/2

2.50

3BK30

3.15

2.40

2.80

1

-

X

X

X

2 1 / 2

3.00

1/2

3.00

3BK32

3.35

2.60

3.00

1

_

X

X

X

2 1 / 2

3.00

1/2

3.40

3BK34

3.55

2.80

3.20

1

-

X

X

X

2 1 / 2

3.00

1/2

3.80

3BK36

3.75

3.00

3.40

1

-

X

X

X

2 1 / 2

3.00

1/2

4.30

3BK40

3.95

3.20

3.60

1

-

X

X

X

2 1 / 2

3.00

1/2

4.70


Picture 5(001).jpg

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