Finished bore sheaves

Description

Finished bore sheaves

Finished bore sheaves are crucial components in power transmission systems, designed to efficiently transfer rotational motion and torque between shafts using belts. Here are some key aspects and considerations related to finished bore sheaves:

Precision Machining: Finished bore sheaves are precision-machined to ensure accuracy and reliability. They typically feature a machined bore with a keyway, which allows them to securely fit onto the shaft without slipping.
Secure Attachment: They often include set screws or other mechanisms to securely fasten them onto the shaft. This ensures a stable connection that can withstand the forces involved in power transmission.
Variety of Sizes and Materials: Finished bore sheaves are available in a wide range of sizes to accommodate different shaft diameters and belt specifications. They are also manufactured from various materials such as steel, aluminum, and cast iron, each offering different strength and durability characteristics.
Groove Profiles: These sheaves come with different groove profiles to match the specific type of belt being used (e.g., V-belts, timing belts). The correct groove profile ensures proper belt engagement, which is critical for efficient power transmission and to minimize belt wear.
Optimal Power Transmission: Selecting the appropriate finished bore sheave is essential for achieving optimal power transmission efficiency. A well-matched sheave will help reduce energy loss and improve overall system performance.
Smooth Operation: Properly chosen sheaves contribute to smooth operation of the power transmission system. This includes minimizing vibration, noise, and wear on both the sheave and the belt.
Application Considerations: Factors such as the horsepower rating, speed ratio, and environmental conditions (temperature, moisture, etc.) should be considered when selecting a finished bore sheave. This ensures the sheave can handle the specific demands of the application.

AK Cast Iron Sheaves

Single Groove Sheaves for “4L” or “A” Belts “3L” Belts may be used with These Sheaves as Indicated in Table Below

Table No.1

PART

NO.

DIAMETERS

Type

STOCK BORES MARKED “X”

DIMENSIONS

Wt. Lbs

Outside

Datum

“A”

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″

▲AK17

1.75″

1.50″

116″

21/32″

15/16″

7/16″

5/32″

▲AK20

2.00

1.80

1.46

21/32

15/16

7/16

5/32

▲AK21

2.10

1.90

1.56

21/32

15/16

7/16

5/32

▲AK22

2.20

2.00

1.66

21/32

15/16

7/16

5/32

▲AK23

2.30

2.10

1.76

21/32

15/16

7/16

5/32

▲AK25

2.50

2.30

1.96

21/32

15/16

7/16

5/32

▲AK26

2.60

2.40

2.06

21/32

15/16

7/16

5/32

▲AK27

2.70

2.50

2.16

21/32

15/16

7/16

5/32

▲AK28

2.80

2.60

2.26

21/32

15/16

7/16

5/32

▲AK30

3.05

2.80

2.46

–

21/32

15/16

7/16

5/32

▲AK32

3.25

3.00

2.66

–

21/32

15/16

7/16

5/32

▲AK34

3.45

3.20

2.86

–

21/32

15/16

7/16

5/32

AK39

3.75

3.50

3.16

–

3/4

1 5/32

15/32

1/16

1.4

AK41

3.95

3.70

3.36

–

3/4

1 5/32

15/32

1/16

1.5

AK44

4.25

4.00

3.66

–

3/4

1 5/32

15/32

1/16

1.5

AK46

4.45

4.20

3.86

–

3/4

1 5/32

15/32

1/16

1.5

AK49

4.75

4.50

4.16

–

3/4

1 5/32

15/32

1/16

1.7

AK51

4.95

4.70

4.36

–

3/4

1 5/32

15/32

1/16

1.7

AK54

5.25

5.00

4.66

–

3/4

1 5/32

15/32

1/16

1.8

AK56

5.45

5.20

4.86

–

3/4

1 5/32

15/32

1/16

1.9

AK59

5.75

5.50

5.16

–

3/4

1 5/32

15/32

1/16

2.0

AK61

5.95

5.70

5.36

–

3/4

1 5/32

15/32

1/16

2.1

AK64

6.25

6.00

5.66

–

3/4

1 5/32

15/32

1/16

2.2

AK66

6.45

6.20

5.86

–

3/4

1 5/32

15/32

1/16

2.3

AK69

6.75

6.50

6.16

–

3/4

₁ 15/32

23/32

3.5

AK71

6.95

6.70

6.36

–

3/4

₁ 15/32

23/32

3.8

▲AK74

7.25

7.00

6.66

–

3/4

1 15/32

23/32

0★

3.4

▲AK79

7.75

7.50

7.16

–

3/4

1 15/32

23/32

4.0

▲AK84

8.25

8.00

7.66

–

3/4

1 15/32

23/32 ★

0★

3.8

▲AK89

8.75

8.50

8.16

–

3/4

1 15/32

23/32

4.3

▲AK94

9.25

9.00

8.66

–

3/4

1 15/32

23/32 ★

0★

4.5

▲AK99

9.75

9.50

9.16

–

3/4

₁ 15/32

23/32

5.3

▲AK104

10.25

10.00

9.66

–

3/4

₁ 15/32

23/23 ★

0★

5.1

▲AK109

10.75

10.50

10.16

–

3/4

1 15/32

23/32

5.8

▲AK114

11.25

11.00

10.66

–

3/4

1 15/32

23/32 ★

0★

5.6

▲AK124

12.25

12.00

11.66

–

3/4

₁ 15/32

23/32 ★

0★

6.5

AK134

13.25

13.00

12.66

–

3/4

₁ 15/32

23/32

7.5

AK144

14.25

14.00

13.66

–

3/4

1 15//32

23/32

8.5

AK154

15.25

15.00

14.66

–

3/4

1 15/32

23/32

9.8

AK184

18.25

18.00

17.66

–

3/4

1 15/32

23/32

12.1

★ P=25/32” and C=1/16”for 1″ Bore and Smaller

★NOTE—DO NOT USE THESE “AK” SHEAVES WITH BORES 1″ AND UNDER WITH GRIPNOTCH BELT RATINGS


Powermach “AK” Sheaves are accurately machined from fine grained cast iron,statically balanced,painted and individually packaged They are furnished with Standard Keyseats and Hollow Head Setscrews.

2AK Cast Iron Sheaves

Two Groove Sheaves for “4L” or “A” Belts “3L” Belts may be used with These Sheaves as Indicated in Table.

No.	Out -side	Datum “A”	Pitch “3L”	Type	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 Lbs
2AK20	2.00″	1.80″	1.46″	1	X	X	X	—	一	—	—	—	—	—	1 3/8″	1 21/32″	15/32″	3/16″	.8
2AK21	2.15	1.90	1.56	1	X	X	X	—	一	—	—	_	—	—	13/8	1 21/32	15/32	3/16	.9
2AK22	2.25	2.00	1.66	1	X	X	X	X	一	_	—	一	一	一	1 3/8	1 21/32	15/32	3/16	.9
2AK23	2.35	2.10	1.76	1	一	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	一	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	一	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	一	一	X	一	一	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	_	一	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	一	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

BKI Cast Iron Sheaves

Single Groove Sheaves for “4L” or “A” Belts and “5L”or “B” Belts

part no.

Out

-side

Datum

“A”

Datum

“B”

lype

1/2″

5/8″

3/4″

7/8″

15/16″

1″

1 1/8″

13/16″

1 1/4″

1 3/8″

7/16″

Lbs.

▲BK24 2.40″

1.80″

2.20″

13/16″

1 1/16″

13/32″

5/32″ .4

▲BK25 2.50

1.90

2.30

13/16

1 1/16

13/32

5/32 .5

▲BK26 2.60

2.00

2.40

13/16

1 1/16

13/32

5/32 .6

▲BK27 2.70

2.10

2.50

13/16

1 1/16

13/32

5/32 .6

▲BK28 2.95

2.20

2.60

13/16

1 1/16

13/32

5/32 .8

▲ BK30 3.15

2.40

2.80

13/16

1 1/16

13/32

5/32 .8

▲ BK32 3.35

2.60

3.00

13/16

1 1/16

13/32

5/32 .8

B K34 3.55

2.80

3.20

—

一

—

7/8

1 5/32

13/32

1/8 1.3

BK36 3.75

3.00

3.40

一

—

7/8

1 5/32

13/32

1/8 1.5

BK40 3.95

3.20

3.60

—

7/8

1 5/32

13/32

1/8 1.5

BK45 4.25

3.50

3.90

7/8

1 5/32

13/32

1/8 1.8

BK47 4.45

3.70

4.10

一

7/8

1 5/32

13/32

1/8 1.9

BK50 4.75

4.00

4.40

一

—

7/8

1 5/32

13/32

1/8 2.0

BK52 4.95

4.20

4.60

一

—

一

—

一

7/8

1 5/32

13/32

1/8 2.0

BK55 5.25

4.50

4.90

—

7/8

1 5/32

13/32

1/8 2.2

BK57 5.45

4.70

5.10

7/8

1 5/32

13/32

1/8 2.3

BK60 5.75

5.00

5.40

7/8

1 5/32

13/32

1/8 2.3

BK62 5.95

5.20

5.60

一

7/8

1 5/32

13/32

1/8 2.4

BK65 6.25

5.50

5.90

—

7/8

1 5/32

13/32

1/8 2.7

BK67 6.45

5.70

6.10

—

7/8

1 5/32

13/32

1/8 2.8

BK70 6.75

6.00

6.40

一

7/8

1 15/32

21/32★

1/16★ 3.3

BK72 6.95

6.20

6.60

7/8

1 15/32

21/32

1/16 3.9

BK75 7.25

6.50

6.90

—

7/8

1 15/32

21/32

1/16 3.9

BK77 7.45

6.70

7.10

—

7/8

1 15/32

21/32

1/16 4.1

BK80 7.75

7.00

7.40

—

7/8

1 15/32

21/32

1/16 4.4

BK85 8.25

7.50

7.90

7/8

1 15/32

21/32

1/16 5.0

BK90 8.75

8.00

8.40

—

一

7/8

1 15/32

21/32

1/16 5.0

BK95 9.25

8.50

8.90

—

一

—

一

7/8

1 15/32

21/32

1/16 5.4

BK100 9.75

9.00

9.40

7/8

1 15/32

21/32

1/16 5.6

BK105 10.25

9.50

9.90

—

一

—

7/8

1 15/32

21/32

1/16 5.8

BK110 10.75

10.00

10.40

—

7/8

1 15/32

21/32

1/16 6.4

BK115 11.25

10.50

10.90

7/8

1 15/32

21/32

1/16 6.9

BK120 11.75

11.00

11.40

—

一

—

7/8

1 15/32

21/32

1/16 7.4

BK130 12.75

12.00

12.40

—

7/8

1 15/32

21/32

1/16 8.4

BK140 13.75

13.00

13.40

—

一

—

7/8

1 15/32

21/32

1/16 9.4

BK160 15.75

15.00

15.40

7/8

1 15/32

21/32

1/16 11.4

BK190 18.75

18.00

18.40

一

7/8

1 15/32

21/32

1/16 13.4

★ P=¹%?^u and C=1/8″ for 1^,,u Bore and Smaller

▲NOTE—DO NOT USE THESE “BK” SHEAVES WITH “B” GRIPNOTCH BELT RATINGS.

2BK Cast Iron Sheaves

Two Groove Sheaves for “4L” or “A” Belts and “5L” or “B” Belts

Part

No.

DIAMETERS

Type

STOCK BORES MARKED “X”

DIMENSIONS

Wt.

Lbs.

Out

-side

Datum

“A”

Datum

“B”

1/2″

5/8″

3/4″

7/8″

1″

1 1/8″

1 3/16″

1 3/8″

1 7/16″

2BK25

2.50″

1.90″

2.30″

—

13/4″

131/32″

15/32″

1/4″

1.3

2BK27

2.70

2.10

2.50

—

13/4

1 31/32

15/32

1/4

1.6

2BK28

2.95

2.20

2.60

—

13/4

1 31/32

15/32

1/4

1.9

2BK30

3.15

2.40

2.80

—

13/4

1 31/32

15/32

1/4

2.3

2BK32

3.35

2.60

3.00

—

1 3/4

1 31/32

15/32

1/4

2.6

2BK34

3.55

2.80

3.20

1 3/4

1 31/32

15/32

1/4

2.8

2BK36

3.75

3.00

3.40

—

13/4

1 31/32

15/32

1/4

3.3

2BK40

3.95

3.20

3.60

一

13/4

1 15/32

15/32

3/4

3.3

2BK45

4.25

3.50

3.90

—

13/4

1 15/32

15/32

3/4

3.3

2BK47

4.45

3.70

4.10

—

13/4

1 15/32

15/32

3/4

3.7

2BK50

4.75

4.00

4.40

13/4

1 15/32

15/32

3/4

4.1

2BK52

4.95

4.20

4.60

—

13/4

1 15/32

15/32

3/4

4.5

2BK55

5.25

4.50

4.90

—

1 3/4

1 15/32

15/32

3/4

4.5

2BK57

5.45

4.70

5.10

一

—

13/4

1 15/32

15/32

3/4

5.1

2BK60

5.75

5.00

5.40

一

13/4

1 15/32

15/32

3/4

4.9

2BK62

5.95

5.20

5.60

—

13/4

1 15/32

15/32

3/4

4.8

2BK65

6.25

5.50

5.90

13/4

1 15/32

15/32

3/4

5.0

2BK67

6.45

5.70

6.10

—

一

—

13/4

1 15/32

15/32

3/4

5.0

2BK70

6.75

6.00

6.40

—

1 3/4

1 19/32

11/32

1/2

6.6

2BK80

7.75

7.00

7.40

—

13/4

1 19/32

11/32

1/2

7.2

2BK90

8.75

8.00

8.40

一

—

13/4

1 19/32

11/32

1/2

8.4

2BK100

9.75

9.00

9.40

—

1 3/4

1 19/32

11/32

1/2

9.4

2BK110

10.75

10.00

10.40

13/4

1 19/32

11/32

1/2

10.4

2BK120

11.75

11.00

11.40

一

—

13/4

1 19/32

11/32

1/2

11.8

2BK130

12.75

12.00

12.40

—

13/4

1 19/32

11/32

1/2

14.9

2BK140

13.75

13.00

13.40

—

13/4

1 19/32

11/32

1/2

16.3

2BK160

15.75

15.00

15.40

—

13/4

1 19/32

11/32

1/2

18.0

2BK190

18.75

18.00

18.40

—

13/4

1 19/32

11/32

1/2

23.3

3BK I Cast Iron Sheaves

COMBINATION GROOVE for “4L” or “A”Belts and “5L” or “B” Belts

Part No.	DIAMETERS			Type	STOCK BORES MARKED “X”							WT. Lbs.
	Outside	Datum “A”	Datum “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

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Packing&Shipping & Delivery

Packing Shipping Delivery

Chains package: First we will use carton package the chains--------then put in wooden box.

We also can custom color package according to your demand

Company Profile

FAQ

How to choose power transmissions parts and industrial products which meet our requirement

Chains	Sprockets	Pulleys	Timing belt Pulley	V-belt Pulley
Sheaves	Coupings	Bush &Hub	Gear& Rack	V-Belt
Locking Assembly	Pulley	Gearbox	Reducer	Shaft Collar
Rod End Bearing	Clevis	PTO	Chain Guide	Belt Guide
Rubber Buffer	Chain Tensioner	PTO Drive Shafts	Universal Joints	Roller Chains
Conveyor Chains	V-Belts	Worm Gearbox	Helical Gear	Worm
Agricultural Chain	CNC Proces Parts	Casting	Stamping
Powder Metallurgy	CNC Proces Parts	Casting	Stamping

What Products Do you sell ?

We are a group of factories, give customer one stop solution of power transmission and industrial products. We are in the position to supply wide range of products, including chains, sprockets, v-belt and v-belt pulleys, timing belt and timing belt pulleys, gears, speed reducers, motors, racks, couplings, and many other parts, like locking assembly, taper bushing, Chain guide, shaft collar, torque limiter, cam clutch, universal joint, motor base and motor slide, rod end, clevis, rubber mount, etc. We make special parts according to drawings and/or samples.

How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

What is the producing process?

Production process including raw material cutting, machine processing, grinding, accessories cleaning, assemble, cleaning, stoving, oil coating, cover pressing, testing, package.

How to control the products quality?

Combining advanced equipment and strict management, we provide high standard and quality bearings for our customers all over the world.

What is the transportation?

-If small quantity , we Suggest to send by express, such as DHL,UPS, TNT FEDEX. If large amount, by air or sea shipping.

Can we design packaging?

-Yes. Default is regular packing, and we can make customer's own packing.

Can you provide OEM service?

-Yes, we work on OEM orders. Which means size, quantity, design, packing solution, etc will depend on your requests; and your logo will be customized on our products.

Can you give me discount on Power Transmissions Parts and Industrial parts?

-Yes, of course. Pls. send me your Email, you'll get more

Q: Are You a trading company or a manufacturer?

A: We Are the factory and have our Own trading company

Q: How Can I get an offer?

A: please send US quotation information: drawings, materials, weight, quantity and requirements, we can accept PDF, ISGS, DWG, STEP file format. If you don't have the drawings, please send us the samples, we can also quote you according to your samples.

Q: What is your minimum order size?

A: it is usually 100 pieces, but a low quantity is acceptable under some special circumstances.

Q: Do you provide samples? Is it free or extra?

A: Yes, we can provide samples free of charge, but we don't pay the freight.

Q: What is the lead time for mass production?

A: honestly, it depends on the number of orders. Normally, if you don't need the tools, deposit them after 30 days or so.

Q: What if the parts don't Work?

A: we can guarantee the quality, but if it happens, please contact us immediately, take some photos, we will check the problem and solve it as soon as possible.

Q: What are your terms of payment?

A: payment is less than US $1000,100% in advance. Payment: $1000,50% wire transfer in advance, balance before shipment,Other Terms of payment are negotiable

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