TBC

Standard Keyseats
 

Bore Range	Keyseat
1/2″ – 9/16″	1/8″ x 1/16″
5/8 – 7/8	3/16 x 3/32
15/16 – 1 1/4	1/4 x 1/8
1 5/16 – 1 3/8	5/16 x 5/32
1 7/16 – 1 3/4	3/8 x 3/16
1 13/16 – 2 1/4	1/2 x 1/4
2 5/16 – 2 3/4	5/8 x 5/16
2 13/16 – 3 1/4	3/4 x 3/8
3 3/8 – 3 3/4	7/8 x 7/16
3 7/8 – 4 1/2	1 x 1/2
4 5/8 – 5 1/2	1 1/4 x 5/8

13/8″ Bore Bushing also available with 3/8×3/16″ Keyway.

Bushing Dimension
 

Part No.	Dimensions									Bore Range	Wt. Lbs.
	M	L	G	X	E	T	U	D	H
P1	2 3/16″	115/16″	5/8″	1 5/16″	1/4″	1 17/32″	13/32″	115/16″	3″	1/2″- 1 3/4″	1 1/4
P2	3 3/16	2 15/16	5/8	2 5/16	1/4	2 17/32	13/32	115/16	3	3/4 – 1 3/4	1 1/2
Q1	2 25/32	2 1/2	3/4	1 3/4	9/32	1 31/32	17/32	2 7/8	4 1/8	3/4 – 2 11/16	3 1/2
Q2	325/32	3 1/2	3/4	2 3/4	9/32	2 31/32	17/32	2 7/8	4 1/8	1 – 2 5/8	4 1/2
Q3	5 9/32	5	3/4	4 1/4	9/32	4 15/32	17/32	2 7/8	4 1/8	1 3/8 – 2 1/2	5 1/2
R1	3 5/32	2 7/8	7/8	2	9/32	2 1/4	5/8	4	5 3/8	1 1/8 – 3 3/4	7 1/2
R2	5 5/32	4 7/8	7/8	4	9/32	4 1/4	5/8	4	5 3/8	1 3/8 – 3 5/8	11
S1	4 3/4	4 3/8	11/16	3 5/16	3/8	3 5/8	3/4	4 5/8	6 3/8	1 11/16 – 4 1/4	13 1/2
S2	7 1/8	6 3/4	11/16	511/16	3/8	6	3/4	4 5/8	6 3/8	1 7/8 – 4 3/16	19
U0	5 23/32	5 1/4	1 1/2	3 3/4	15/32	4 3/16	11/16	6	8 3/8	2 3/8 – 3 3/16	30
U0	5 13/32	415/16	1 3/16	3 3/4	15/32	4 3/16	3/4	6	8 3/8	3 1/4 – 5 1/2	27

　

DIAMETERS

1 GROOVE, F = 1 1/4″

Datum

Out- side

Inside

Part Number

Type

Dimensions

Wt.Less Bush.

Sheave

Bush

O.L.

L

P

C

H

G

X

E

5.6″

6.00″

–

1C56P

P1

10

2 3/16″

115/16″

5/8″

1/16″

3″

–

–

1/4″

6.00

6

6.4

–

1C60Q

Q1

10

2 25/32

2 1/2

3/4

1/2

4 1/8

–

–

9/32

6.10

DIAMETERS

2 GROOVES, F = 2 1/4″

Datum

Out- side

Inside

Part Number

Type

Dimensions

Wt.Less Bush.

Sheave

Bush

O.L.

L

P

C

H

G

X

E

5.6

6

3 13/16″

2C56P

P1

13-Web

2 1/2″

115/16″

0

5/16″

3″

5/8″

15/16″

1/4″

8.40

6

6.4

4 1/4

2C60Q

Q1

13-Web

2 25/32

2 1/2

1/4

0

4 1/8

3/4

13/4

9/32

9.50

14

14.4

12 1/4

2C140R

R1

13-Arm

3 9/32

2 7/8

3/4

1/8

5 3/8

7/8

2

9/32

33.50

18

18.4

16 1/4

2C180R

R1

13-Arm

3 9/32

2 7/8

3/4

1/8

5 3/8

7/8

2

9/32

42.30

27

27.4

25 1/4

2C270R

R1

13-Arm

3 9/32

2 7/8

3/4

1/8

5 3/8

7/8

2

9/32

77.00

30

30.4

28 1/8

2C300R

R1

13-Arm

3 9/32

2 7/8

3/4

1/8

5 3/8

7/8

2

9/32

93.00

36

36.4

34 1/8

2C360R

R1

13-Arm

3 9/32

2 7/8

3/4

1/8

5 3/8

7/8

2

9/32

117.00

44

44.4

42 1/8

2C440R

R1

13-Arm

3 9/32

2 7/8

3/4

1/8

5 3/8

7/8

2

9/32

164.00

DIAMETERS

3 GROOVES, F = 3 1/4″

Datum

Out- side

Inside

Part Number

Type

Dimensions

Wt.Less Bush.

Sheave

Bush

O.L.

L

P

C

H

G

X

E

5.0″

5.40″

–

3C50Q

Q1

13-Sol

4 9/32″

2 1/2″

3/4″

1 1/2″

4 1/8″

3/4″

1 3/4″

9/32″

8.40

5.6

6

3 13/16

3C56P

P2

13-Web

3 1/2

215/16

0

5/16

3

5/8

2 5/16

1/4

12.90

6

6.4

4 1/4

3C60Q

Q1

13-Web

3 17/32

2 1/2

0

3/4

4 1/8

3/4

1 3/4

9/32

11.80

9

9.4

7 3/16

3C90R

R1

13-Web

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

27.30

9.2

9.6

7 3/8

3C92R

R1

13-Web

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

27.50

9.4

9.8

7 5/8

3C94R

R1

13-Web

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

26.90

9.6

10

7 13/16

3C96R

R1

13-Web

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

28.40

9.8

10.2

8

3C98R

R1

13-Web

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

29.30

10

10.4

8 3/16

3C100R

R1

13-Web

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

29.00

10.2

10.6

8 3/8

3C102R

R1

13-Web

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

31.40

10.6

11

8 13/16

3C106R

R1

13-Web

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

31.80

11

11.4

9 1/4

3C110R

R1

13-Web

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

29.30

12

12.4

10 1/4

3C120R

R1

13-Web

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

36.90

13

13.4

11 1/4

3C130R

R1

13-Arm

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

34.80

14

14.4

12 1/4

3C140R

R1

13-Arm

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

39.40

15

15.4

13 1/4

3C150R

R1

13-Arm

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

43.80

16

16.4

14 1/4

3C160R

R1

13-Arm

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

47.00

18

18.4

16 1/4

3C180R

R1

13-Arm

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

51.50

20

20.4

18 1/4

3C200R

R1

13-Arm

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

58.00

24

24.4

22 1/4

3C240R

R1

13-Arm

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

71.00

27

27.4

25 1/4

3C270R

R1

13-Arm

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

92.00

30

30.4

28 1/8

3C300R

R1

13-Arm

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

110.00

36

36.4

34 1/8

3C360R

R1

13-Arm

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

135.00

44

44.4

42 1/8

3C440R

R1

13-Arm

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

196.00

50

50.4

48 1/8

3C500R

R1

13-Arm

325/32

2 7/8

1/4

5/8

5 3/8

7/8

2

9/32

213.00

50

50.4

48 1/8

3C500S

S1

16-Arm

4 3/4

4 3/8

1 3/32

1/32

6 3/8

11/16

3 5/16

3/8

224.00

DIAMETERS

4 GROOVES, F = 4 1/4″

Datum

Out- side

Inside

Part Number

Type

Dimensions

Wt.Less Bush.

Sheave

Bush

O.L.

L

P

C

H

G

X

E

5

5.4

–

4C50Q

Q2

13-Sol

5 9/32

3 1/2″

3/4″

1 1/2″

4 1/8″

3/4″

2 3/4″

9/32″

10.90

5.6

6

3 13/16

4C56P

P2

13-Web

4 1/2

215/16

0

1 5/16

3

5/8

2 5/16

1/4

15.40

6

6.4

4 1/4

4C60Q

Q2

13-Web

4 17/32

3 1/2

0

3/4

4 1/8

3/4

2 3/4

9/32

17.00

9

9.4

7 3/16

4C90R

R1

15-Web

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

30.00

9.2

9.6

7 3/8

4C92R

R1

15-Web

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

31.60

9.4

9.8

7 5/8

4C94R

R1

15-Web

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

31.60

9.6

10

7 13/16

4C96R

R1

15-Web

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

31.10

9.8

10.2

8

4C98R

R1

15-Web

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

33.40

10

10.4

8 3/16

4C100R

R1

15-Web

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

34.10

10.2

10.6

8 3/8

4C102R

R1

15-Web

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

36.50

10.6

11

8 13/16

4C106R

R1

15-Web

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

36.50

11

11.4

9 1/4

4C110R

R1

15-Web

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

33.00

12

12.4

10 1/4

4C120R

R1

15-Web

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

42.90

13

13.4

11 1/4

4C130R

R1

15-Arm

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

40.10

14

14.4

12 1/4

4C140R

R1

15-Arm

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

46.60

15

15.4

13 1/4

4C150R

R1

15-Arm

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

52.00

16

16.4

14 1/4

4C160R

R1

15-Arm

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

55.00

18

18.4

16 1/4

4C180R

R1

15-Arm

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

60.00

18

18.4

16 1/4

4C180S

S1

13-Arm

5 7/32

4 3/8

19/32

15/32

6 3/8

11/16

3 5/16

3/8

92.00

20

20.4

18 1/4

4C200R

R1

15-Arm

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

69.00

20

20.4

18 1/4

4C200S

S1

13-Arm

5 7/32

4 3/8

19/32

15/32

6 3/8

11/16

3 5/16

3/8

103.00

24

24.4

22 1/4

4C240R

R1

15-Arm

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

86.00

24

24.4

22 1/4

4C240S

S1

13-Arm

5 7/32

4 3/8

19/32

15/32

6 3/8

11/16

3 5/16

3/8

120.00

27

27.4

25 1/4

4C270R

R1

15-Arm

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

110.00

27

27.4

25 1/4

4C270S

S1

13-Arm

5 7/32

4 3/8

19/32

15/32

6 3/8

11/16

3 5/16

3/8

123.00

30

30.4

28 1/8

4C300R

R1

15-Arm

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

123.00

30

30.4

28 1/8

4C300S

S1

13-Arm

5 7/32

4 3/8

19/32

15/32

6 3/8

11/16

3 5/16

3/8

142.00

36

36.4

34 1/8

4C360R

R1

15-Arm

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

156.00

36

36.4

34 1/8

4C360S

S1

13-Arm

5 7/32

4 3/8

19/32

15/32

6 3/8

11/16

3 5/16

3/8

183.00

44

44.4

42 1/8

4C440R

R1

15-Arm

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

218.00

44

44.4

42 1/8

4C440U

U0

13-Arm

5 13/32

415/16

15/16

1/4

8 3/8

1 3/16

3 3/4

15/32

241.00

50

50.4

48 1/8

4C500R

R1

15-Arm

4 9/32

2 7/8

1/4

1 1/8

5 3/8

7/8

2

9/32

240.00

50

50.4

48 1/8

4C500U

U0

13-Arm

5 13/32

415/16

15/16

1/4

8 3/8

1 3/16

3 3/4

15/32

283.00

DIAMETERS

5 GROOVES, F = 5 1/4″

Datum

Out- side

Inside

Part Number

Type

Dimensions

Wt.Less Bush.

Sheave

Bush

O.L.

L

P

C

H

G

X

E

9.0″

9.40″

7 3/16″

5C90R

R1

15-Web

5 1/4″

2 7/8″

3/4″

1 5/8″

5 3/8″

7/8″

2″

9/32″

33.40

9.2

9.6

7 3/8

5C92R

R1

15-Web

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

36.80

9.4

9.8

7 5/8

5C94R

R1

15-Web

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

35.80

9.6

10

7 13/16

5C96R

R1

15-Web

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

35.40

9.8

10.2

8

5C98R

R1

15-Web

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

37.60

10

10.4

8 3/16

5C100R

R1

15-Web

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

38.90

10.2

10.6

8 3/8

5C102R

R1

15-Web

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

40.60

10.6

11

8 13/16

5C106R

R1

15-Web

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

39.00

11

11.4

9 1/4

5C110R

R1

15-Web

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

38.80

12

12.4

10 1/4

5C120R

R1

15-Web

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

47.50

13

13.4

11 1/4

5C130R

R1

15-Arm

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

46.00

14

14.4

12 1/4

5C140R

R1

15-Arm

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

52.00

15

15.4

13 1/4

5C150R

R1

15-Arm

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

54.00

16

16.4

14 1/4

5C160R

R1

15-Arm

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

63.00

18

18.4

16 1/4

5C180R

R1

15-Arm

5 1/4

2 7/8

3/4

1 5/8

5 3/8

7/8

2

9/32

69.00

18

18.4

16 1/4

5C180S

S1

13-Arm

5 23/32

4 3/8

3/32

31/32

6 3/8

11/16

3 5/16

3/8

100.00

20

20.4

18 1/4

5C200R

R1

15-Arm

5 1/4

2 7/8

3/4

5/8

5 3/8

7/8

2

9/32

77.00

20

20.4

18 1/4

5C200S

S1

13-Arm

5 23/32

4 3/8

3/32

31/32

6 3/8

11/16

3 5/16

3/8

99.00

24

24.4

22 1/4

5C240R

R1

15-Arm

5 1/4

2 7/8

3/4

5/8

5 3/8

7/8

2

9/32

110.00

24

24.4

22 1/4

5C240S

S1

13-Arm

5 23/32

4 3/8

3/32

31/32

6 3/8

11/16

3 5/16

3/8

129.00

27

27.4

25 1/4

5C270R

R2

13-Arm

5 25/32

4 7/8

1/4

5/8

5 3/8

7/8

4

9/32

131.00

30

30.4

28 1/8

5C300R

R2

13-Arm

5 25/32

4 7/8

1/4

5/8

5 3/8

7/8

4

9/32

150.00

30

30.4

28 1/8

5C300S

S1

13-Arm

5 23/32

4 3/8

3/32

31/32

6 3/8

11/16

3 5/16

3/8

160.00

36

36.4

34 1/8

5C360R

R2

13-Arm

5 25/32

4 7/8

1/4

5/8

5 3/8

7/8

4

9/32

194.00

44

44.4

42 1/8

5C440R

R2

13-Arm

5 25/32

4 7/8

1/4

5/8

5 3/8

7/8

4

9/32

243.00

50

50.4

48 1/8

5C500R

R2

13-Arm

5 25/32

4 7/8

1/4

5/8

5 3/8

7/8

4

9/32

273.00

DIAMETERS

6 GROOVES, F = 6 1/4″

Datum

Out- side

Inside

Part Number

Type

Dimensions

Wt.Less Bush.

Sheave

Bush

O.L.

L

P

C

H

G

X

E

9.0″

9.40″

7 3/16″

6C90R

R2

15-Web

6 9/32″

4 7/8″

1/4″

1 1/8″

5 3/8″

7/8″

4″

9/32″

53.00

9.2

9.6

7 3/8

6C92R

R2

15-Web

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

58.00

9.4

9.8

7 5/8

6C94R

R2

15-Web

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

63.50

9.6

10

7 13/16

6C96R

R2

15-Web

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

55.00

9.8

10.2

8

6C98R

R2

15-Web

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

65.00

10

10.4

8 3/16

6C100R

R2

15-Web

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

62.00

10.2

10.6

8 3/8

6C102R

R2

15-Web

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

68.00

10.6

11

8 13/16

6C106R

R2

15-Web

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

55.00

11

11.4

9 1/4

6C110R

R2

15-Web

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

51.50

12

12.4

10 1/4

6C120R

R2

15-Web

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

64.00

13

13.4

11 1/4

6C130R

R2

15-Arm

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

61.00

14

14.4

12 1/4

6C140R

R2

15-Arm

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

69.00

15

15.4

13 1/4

6C150R

R2

15-Arm

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

68.00

16

16.4

14 1/4

6C160R

R2

15-Arm

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

77.00

18

18.4

16 1/4

6C180R

R2

15-Arm

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

84.00

18

18.4

16 1/4

6C180S

S1

15-Arm

6 1/4

4 3/8

13/32

115/32

6 3/8

11/16

3 5/16

3/8

107.00

20

20.4

18 1/4

6C200R

R2

15-Arm

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

91.50

20

20.4

18 1/4

6C200S

S1

15-Arm

6 1/4

4 3/8

13/32

115/32

6 3/8

11/16

3 5/16

3/8

127.00

24

24.4

22 1/4

6C240R

R2

15-Arm

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

116.00

24

24.4

22 1/4

6C240S

S1

15-Arm

6 1/4

4 3/8

13/32

115/32

6 3/8

11/16

3 5/16

3/8

125.00

27

27.4

25 1/4

6C270R

R2

15-Arm

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

144.00

27

27.4

25 1/4

6C270S

S1

15-Arm

6 1/4

4 3/8

13/32

115/32

6 3/8

11/16

3 5/16

3/8

151.00

30

30.4

28 1/8

6C300R

R2

15-Arm

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

160.00

30

30.4

28 1/8

6C300U

U0

15-Arm

6 1/4

415/16

1/16

1 1/4

8 3/8

1 3/16

3 3/4

15/32

191.00

36

36.4

34 1/8

6C360R

R2

15-Arm

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

211.00

36

36.4

34 1/8

6C360U

U0

15-Arm

6 1/4

415/16

1/16

1 1/4

8 3/8

1 3/16

3 3/4

15/32

233.00

44

44.4

42 1/8

6C440R

R2

15-Arm

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

286.00

50

50.4

48 1/8

6C500R

R2

15-Arm

6 9/32

4 7/8

1/4

1 1/8

5 3/8

7/8

4

9/32

303.00

DIAMETERS

7 GROOVES, F = 7 1/4″

Datum

Out- side

Inside

Part Number

Type

Dimensions

Wt.Less Bush.

Sheave

Bush

O.L.

L

P

C

H

G

X

E

7.0″

7.40″

5 3/8″

7C70Q

Q3

15-Web

7 1/4″

5″

3/4″

1 1/2″

4 1/8″

3/4″

4 1/4″

9/32″

37.50

8

8.4

6 3/8

7C80R

R2

15-Web

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

45.60

8.6

9

6 15/16

7C86R

R2

15-Web

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

52.80

9

9.4

7 3/16

7C90R

R2

15-Web

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

58.00

9.2

9.6

7 3/8

7C92R

R2

15-Web

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

63.00

9.4

9.8

7 5/8

7C94R

R2

15-Web

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

68.00

9.8

10.2

8

7C98R

R2

15-Web

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

73.00

10

10.4

8 3/16

7C100R

R2

15-Web

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

71.00

10.2

10.6

8 3/8

7C102R

R2

15-Web

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

76.00

10.6

11

8 13/16

7C106R

R2

15-Web

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

71.00

11

11.4

9 1/4

7C110R

R2

15-Web

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

68.00

12

12.4

10 1/4

7C120R

R2

15-Web

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

67.00

13

13.4

11 1/4

7C130R

R2

15-Arm

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

84.00

14

14.4

12 1/4

7C140R

R2

15-Arm

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

83.00

15

15.4

13 1/4

7C150R

R2

15-Arm

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

86.00

16

16.4

14 1/4

7C160R

R2

15-Arm

7 1/4

4 7/8

3/4

1 5/8

5 3/8

7/8

4

9/32

88.00

18

18.4

16 1/4

7C180S

S2

13-Arm

7 29/32

6 3/4

9/32

25/32

6 3/8

11/16

511/16

9/32

137.00

18

18.4

16 1/4

7C180U

U0

15-Arm

7 1/4

415/16

9/16

1 3/4

8 3/8

1 3/16

3 3/4

9/32

133.00

20

20.4

18 1/4

7C200S

S2

13-Arm

7 29/32

6 3/4

9/32

25/32

6 3/8

11/16

511/16

9/32

152.00

20

20.4

18 1/4

7C200U

U0

15-Arm

7 1/4

415/16

9/16

1 3/4

8 3/8

1 3/16

3 3/4

9/32

144.00

24

24.4

22 1/4

7C240S

S2

13-Arm

7 29/32

6 3/4

9/32

25/32

6 3/8

11/16

511/16

9/32

173.00

27

27.4

25 1/4

7C270S

S2

13-Arm

7 29/32

6 3/4

9/32

25/32

6 3/8

11/16

511/16

9/32

197.00

27

27.4

25 1/4

7C270U

U0

15-Arm

7 1/4

415/16

9/16

1 3/4

8 3/8

1 3/16

3 3/4

9/32

196.00

30

30.4

28 1/8

7C300S

S2

13-Arm

7 29/32

6 3/4

9/32

25/32

6 3/8

11/16

511/16

9/32

220.00

30

30.4

28 1/8

7C300U

U0

15-Arm

7 1/4

415/16

9/16

1 3/4

8 3/8

1 3/16

3 3/4

9/32

217.00

36

36.4

34 1/8

7C360S

S2

13-Arm

7 29/32

6 3/4

9/32

25/32

6 3/8

11/16

511/16

9/32

279.00

44

44.4

42 1/8

7C440S

S2

13-Arm

7 29/32

6 3/4

9/32

25/32

6 3/8

11/16

511/16

9/32

337.00

50

50.4

48 1/8

7C500S

S2

13-Arm

7 29/32

6 3/4

9/32

25/32

6 3/8

11/16

511/16

9/32

382.00

DIAMETERS

8 GROOVES, F = 8 1/4″

Datum

Out- side

Inside

Part Number

Type

Dimensions

Wt.Less Bush.

Sheave

Bush

O.L.

L

P

C

H

G

X

E

7.0″

7.40″

5 3/8″

8C70Q

Q3

15-Web

8 1/4″

5″

1 5/8″

1 5/8″

4 1/8″

3/4″

4 1/4″

9/32″

40.00

8

8.4

6 3/8

8C80R

R2

15-Web

8 1/4

4 7/8

1 3/4

1 5/8

5 3/8

7/8

4

9/32

49.00

8.6

9

6 15/16

8C86R

R2

15-Web

8 1/4

4 7/8

1 3/4

1 5/8

5 3/8

7/8

4

9/32

57.00

9

9.4

7 3/16

8C90R

R2

15-Web

8 1/4

4 7/8

1 3/4

1 5/8

5 3/8

7/8

4

9/32

62.00

9.2

9.6

7 3/8

8C92R

R2

15-Web

8 1/4

4 7/8

1 3/4

1 5/8

5 3/8

7/8

4

9/32

68.00

9.4

9.8

7 5/8

8C94R

R2

15-Web

8 1/4

4 7/8

1 3/4

1 5/8

5 3/8

7/8

4

9/32

73.00

9.6

10

7 13/16

8C96R

R2

15-Web

8 1/4

4 7/8

1 3/4

1 5/8

5 3/8

7/8

4

9/32

70.00

9.8

10.2

8

8C98R

R2

15-Web

8 1/4

4 7/8

1 3/4

1 5/8

5 3/8

7/8

4

9/32

76.00

10

10.4

8 3/16

8C100R

R2

15-Web

8 1/4

4 7/8

1 3/4

1 5/8

5 3/8

7/8

4

9/32

72.00

10.2

10.6

8 3/8

8C102R

R2

15-Web

8 1/4

4 7/8

1 3/4

1 5/8

5 3/8

7/8

4

9/32

79.00

10.6

11

8 13/16

8C106R

R2

15-Web

8 1/4

4 7/8

1 3/4

1 5/8

5 3/8

7/8

4

9/32

76.00

11

11.4

9 1/4

8C110R

R2

15-Web

8 1/4

4 7/8

1 1/4

2 1/8

5 3/8

7/8

4

9/32

73.00

12

12.4

10 1/4

8C120R

R2

15-Web

8 1/4

4 7/8

1 1/4

2 1/8

5 3/8

7/8

4

9/32

74.00

13

13.4

11 1/4

8C130R

R2

15-Arm

8 1/4

4 7/8

1 1/4

2 1/8

5 3/8

7/8

4

9/32

80.00

14

14.4

12 1/4

8C140R

R2

15-Arm

8 1/4

4 7/8

1 1/4

2 1/8

5 3/8

7/8

4

9/32

84.00

15

15.4

13 1/4

8C150R

R2

15-Arm

8 1/4

4 7/8

1 1/4

2 1/8

5 3/8

7/8

4

9/32

93.00

16

16.4

14 1/4

8C160R

R2

15-Arm

8 1/4

4 7/8

1 1/4

2 1/8

5 3/8

7/8

4

9/32

100.00

18

18.4

16 1/4

8C180S

S2

15-Arm

8 13/32

6 3/4

7/32

1 9/32

6 3/8

11/16

511/16

3/8

140.00

18

18.4

16 1/4

8C180U

U0

15-Arm

8 1/4

415/16

11/16

2 1/4

8 3/8

1 3/16

3 3/4

15/32

141.00

20

20.4

18 1/4

8C200S

S2

15-Arm

8 13/32

6 3/4

7/32

1 9/32

6 3/8

11/16

511/16

3/8

163.00

20

20.4

18 1/4

8C200U

U0

15-Arm

8 1/4

415/16

11/16

2 1/4

8 3/8

1 3/16

3 3/4

15/32

160.00

24

24.4

22 1/4

8C240S

S2

15-Arm

8 13/32

6 3/4

7/32

1 9/32

6 3/8

11/16

511/16

3/8

194.00

24

24.4

22 1/4

8C240U

U0

15-Arm

8 1/4

415/16

11/16

2 1/4

8 3/8

1 3/16

3 3/4

15/32

184.00

27

27.4

25 1/4

8C270S

S2

15-Arm

8 13/32

6 3/4

7/32

1 9/32

6 3/8

11/16

511/16

3/8

224.00

30

30.4

28 1/8

8C300S

S2

15-Arm

8 13/32

6 3/4

7/32

1 9/32

6 3/8

11/16

511/16

3/8

212.00

30

30.4

28 1/8

8C300U

U0

15-Arm

8 1/4

415/16

11/16

2 1/4

8 3/8

1 3/16

3 3/4

15/32

227.00

36

36.4

34 1/8

8C360S

S2

15-Arm

8 13/32

6 3/4

7/32

1 9/32

6 3/8

11/16

511/16

3/8

261.00

36

36.4

34 1/8

8C360U

U0

15-Arm

8 1/4

415/16

11/16

2 1/4

8 3/8

1 3/16

3 3/4

15/32

288.00

44

44.4

42 1/8

8C440S

S2

15-Arm

8 13/32

6 3/4

7/32

1 9/32

6 3/8

11/16

511/16

3/8

368.00

44

44.4

42 1/8

8C440U

U0

15-Arm

8 1/4

415/16

11/16

2 1/4

8 3/8

1 3/16

3 3/4

15/32

358.00

50

50.4

48 1/8

8C500S

S2

15-Arm

8 13/32

6 3/4

7/32

1 9/32

6 3/8

11/16

511/16

3/8

429.00

50

50.4

48 1/8

8C500U

U0

15-Arm

8 1/4

415/16

11/16

2 1/4

8 3/8

1 3/16

3 3/4

15/32

417.00

DIAMETERS

10 GROOVES, F = 10 1/4″

Datum

Out- side

Inside

Part Number

Type

Dimensions

Wt.Less Bush.

Sheave

Bush

O.L.

L

P

C

H

G

X

E

8.0″

8.40″

6 3/8″

10C80R

R2

15-Web

10 1/4″

4 7/8″

3 3/4″

1 5/8″

5 3/8″

7/8″

4″

9/32″

70.00

8.6

9

6 15/16

10C86R

R2

15-Web

10 1/4

4 7/8

3 3/4

1 5/8

5 3/8

7/8

4

9/32

72.00

9

9.4

7 3/16

10C90R

R2

15-Web

10 1/4

4 7/8

3 3/4

1 5/8

5 3/8

7/8

4

9/32

72.00

9.2

9.6

7 3/8

10C92R

R2

15-Web

10 1/4

4 7/8

3 3/4

1 5/8

5 3/8

7/8

4

9/32

70.00

9.4

9.8

7 5/8

10C94R

R2

15-Web

10 1/4

4 7/8

3 3/4

1 5/8

5 3/8

7/8

4

9/32

78.00

9.6

10

7 13/16

10C96R

R2

15-Web

10 1/4

4 7/8

3 3/4

1 5/8

5 3/8

7/8

4

9/32

73.00

9.8

10.2

8

10C98R

R2

15-Web

10 1/4

4 7/8

3 3/4

1 5/8

5 3/8

7/8

4

9/32

88.00

10

10.4

8 3/16

10C100R

R2

15-Web

10 1/4

4 7/8

3 3/4

1 5/8

5 3/8

7/8

4

9/32

89.00

10.2

10.6

8 3/8

10C102R

R2

15-Web

10 1/4

4 7/8

3 3/4

1 5/8

5 3/8

7/8

4

9/32

97.00

10.6

11

8 13/16

10C106R

R2

15-Web

10 1/4

4 7/8

3 3/4

1 5/8

5 3/8

7/8

4

9/32

84.00

11

11.4

9 1/4

10C110R

R2

15-Web

10 1/4

4 7/8

2 1/4

3 1/8

5 3/8

7/8

4

9/32

84.00

12

12.4

10 1/4

10C120R

R2

15-Web

10 1/4

4 7/8

2 1/4

3 1/8

5 3/8

7/8

4

9/32

97.00

13

13.4

11 1/4

10C130R

R2

15-Arm

10 1/4

4 7/8

2 1/4

3 1/8

5 3/8

7/8

4

9/32

102.00

14

14.4

12 1/4

10C140R

R2

15-Arm

10 1/4

4 7/8

2 1/4

3 1/8

5 3/8

7/8

4

9/32

106.00

15

15.4

13 1/4

10C150R

R2

15-Arm

10 1/4

4 7/8

2 1/4

3 1/8

5 3/8

7/8

4

9/32

110.00

16

16.4

14 1/4

10C160R

R2

15-Arm

10 1/4

4 7/8

2 1/4

3 1/8

5 3/8

7/8

4

9/32

111.00

18

18.4

16 1/4

10C180S

S2

15-Arm

10 1/4

6 3/4

1 5/32

2 9/32

6 3/8

11/16

511/16

3/8

164.00

18

18.4

16 1/4

10C180U

U0

15-Arm

10 1/4

415/16

2 1/16

3 1/4

8 3/8

1 3/16

3 3/4

15/32

163.00

20

20.4

18 1/4

10C200S

S2

15-Arm

10 1/4

6 3/4

1 5/32

2 9/32

6 3/8

11/16

511/16

3/8

170.00

20

20.4

18 1/4

10C200U

U0

15-Arm

10 1/4

415/16

2 1/16

3 1/4

8 3/8

1 3/16

3 3/4

15/32

178.00

24

24.4

22 1/4

10C240S

S2

15-Arm

10 1/4

6 3/4

1 5/32

2 9/32

6 3/8

11/16

511/16

3/8

210.00

24

24.4

22 1/4

10C240U

U0

15-Arm

10 1/4

415/16

2 1/16

3 1/4

8 3/8

1 3/16

3 3/4

15/32

208.00

27

27.4

25 1/4

10C270S

S2

15-Arm

10 1/4

6 3/4

1 5/32

2 9/32

6 3/8

11/16

511/16

3/8

246.00

30

30.4

28 1/8

10C300S

S2

15-Arm

10 1/4

6 3/4

1 5/32

2 9/32

6 3/8

11/16

511/16

3/8

278.00

30

30.4

28 1/8

10C300U

U1

15-Arm

10 1/4

7 1/8

13/16

2 5/16

8 3/8

1 1/2

5 5/8

15/32

298.00

36

36.4

34 1/8

10C360S

S2

15-Arm

10 1/4

6 3/4

1 5/32

2 9/32

6 3/8

11/16

511/16

3/8

324.00

36

36.4

34 1/8

10C360U

U1

15-Arm

10 1/4

7 1/8

13/16

2 5/16

8 3/8

1 1/2

5 5/8

15/32

362.00

44

44.4

42 1/8

10C440U

U1

15-Arm

10 1/4

7 1/8

13/16

2 5/16

8 3/8

1 1/2

5 5/8

15/32

463.00

50

50.4

48 1/8

10C500U

U1

15-Arm

10 1/4

7 1/8

13/16

2 5/16

8 3/8

1 1/2

5 5/8

15/32

480.00

DIAMETERS

12 GROOVES, F = 12 1/4″

Datum

Out- side

Inside

Part Number

Type

Dimensions

Wt.Less Bush.

Sheave

Bush

O.L.

L

P

C

H

G

X

E

9.0″

9.40″

7 3/16″

12C90S

S2

15-Web

12 1/4″

6 3/4″

3 1/2″

2″

6 3/8″

11/16″

511/16″

3/8″

88.00

9.2

9.6

7 3/8

12C92S

S2

15-Web

12 1/4

6 3/4

3 1/2

2

6 3/8

11/16

511/16

3/8

93.00

9.4

9.8

7 5/8

12C94S

S2

15-Web

12 1/4

6 3/4

3 1/2

2

6 3/8

11/16

511/16

3/8

104.00

9.6

10

7 13/16

12C96S

S2

15-Web

12 1/4

6 3/4

3 1/2

2

6 3/8

11/16

511/16

3/8

102.00

9.8

10.2

8

12C98S

S2

15-Web

12 1/4

6 3/4

3 1/2

2

6 3/8

11/16

511/16

3/8

111.00

10

10.4

8 3/16

12C100S

S2

15-Web

12 1/4

6 3/4

3 1/2

2

6 3/8

11/16

511/16

3/8

112.00

10.2

10.6

8 3/8

12C102S

S2

15-Web

12 1/4

6 3/4

3 1/2

2

6 3/8

11/16

511/16

3/8

121.00

10.6

11

8 13/16

12C106S

S2

15-Web

12 1/4

6 3/4

3 1/2

2

6 3/8

11/16

511/16

3/8

133.00

11

11.4

9 1/4

12C110S

S2

15-Web

12 1/4

6 3/4

2 7/32

3 9/32

6 3/8

11/16

511/16

3/8

128.00

12

12.4

10 1/4

12C120S

S2

15-Web

12 1/4

6 3/4

2 7/32

3 9/32

6 3/8

11/16

511/16

3/8

140.00

13

13.4

11 1/4

12C130S

S2

15-Web

12 1/4

6 3/4

2 7/32

3 9/32

6 3/8

11/16

511/16

3/8

165.00

14

14.4

12 1/4

12C140S

S2

15-Arm

12 1/4

6 3/4

2 7/32

3 9/32

6 3/8

11/16

511/16

3/8

148.00

15

15.4

13 1/4

12C150S

S2

15-Arm

12 1/4

6 3/4

2 7/32

3 9/32

6 3/8

11/16

511/16

3/8

162.00

16

16.4

14 1/4

12C160S

S2

15-Arm

12 1/4

6 3/4

2 7/32

3 9/32

6 3/8

11/16

511/16

3/8

163.00

18

18.4

16 1/4

12C180U

U1

15-Arm

12 1/4

7 1/8

113/16

3 5/16

8 3/8

1 1/2

5 5/8

15/32

204.00

20

20.4

18 1/4

12C200U

U1

15-Arm

12 1/4

7 1/8

113/16

3 5/16

8 3/8

1 1/2

5 5/8

15/32

224.00

24

24.4

22 1/4

12C240U

U1

15-Arm

12 1/4

7 1/8

113/16

3 5/16

8 3/8

1 1/2

5 5/8

15/32

257.00

27

27.4

25 1/4

12C270U

U1

15-Arm

12 1/4

7 1/8

113/16

3 5/16

8 3/8

1 1/2

5 5/8

15/32

300.00

30

30.4

28 1/8

12C300U

U1

15-Arm

12 1/4

7 1/8

113/16

3 5/16

8 3/8

1 1/2

5 5/8

15/32

327.00

36

36.4

34 1/8

12C360U

U1

15-Arm

12 1/4

7 1/8

113/16

3 5/16

8 3/8

1 1/2

5 5/8

15/32

397.00

44

44.4

42 1/8

12C440U

U1

15-Arm

12 1/4

7 1/8

113/16

3 5/16

8 3/8

1 1/2

5 5/8

15/32

519.00

50

50.4

48 1/8

12C500U

U1

15-Arm

12 1/4

7 1/8

113/16

3 5/16

8 3/8

1 1/2

5 5/8

15/32

551.00