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  Two Groove Sheaves for 4L 5L "A" & B Belts    
 


Request for QuoteBearing Distributors, Inc. carries a complete line of high quality FHP, A/B combination, C, 3V, 5V, 8V, variable pitch, and light duty sheaves. Our sheaves incorporate all popular bushing designs in addition to a bored to size product that's furnished with a standard keyway and set screws. Each cast iron sheave is precision machined, statically balanced, and protected by a baked enamel finish.

 Two Groove Sheaves for 4L 5L "A" & B Belts

Click on a Part Number below for detail information. Contact us with questions or Request a Quote.

Part
Number

OD
(inch)

4L+A
Pitch

5L+B
Pitch

Type

F
(inch)

L
(inch)

P
(inch)

C
(inch)

Stock Bores
(inch)

2BK25

2.50

1.90

2.30

1

1-3/4

1-31/32

15/32

1/4

1/2, 5/8, 3/4, 7/8

2BK27

2.70

2.10

2.50

1

1-3/4

1-31/32

15/32

1/4

1/2, 5/8, 3/4, 7/8, 1, 1-1/8

2BK28

2.95

2.20

2.60

1

1-3/4

1-31/32

15/32

1/4

1/2, 5/8, 3/4, 7/8, 1, 1-1/8

2BK30

3.15

2.40

2.80

1

1-3/4

1-31/32

15/32

1/4

1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-3/8

 2BK32 - inch
2BK32 - metric

3.35

2.60

3.00

1

1-3/4

1-31/32

15/32

1/4

5/8, 3/4, 7/8,1, 1-1/8

 2BK34 - inch
2BK34 - metric

3.55

2.80

3.20

1

1-3/4

1-31/32

15/32

1/4

5/8, 3/4, 7/8,1, 1-1/8

 2BK36- inch
2BK36- metric

3.75

3.00

3.40

1

1-3/4

1-31/32

15/32

1/4

3/4, 7/8, 1, 1-1/8, 1-3/8

 2BK40 -inch
2BK40 -metric

3.95

3.20

3.60

2

1-3/4

1-15/32

15/32

3/4

5/8, 3/4, 7/8, 1, 1-1/8

 2BK45 - inch
2BK45 - metric

4.25

3.50

3.90

2

1-3/4

1-15/32

15/32

3/4

1, 1-1/8, 1-3/8

 2BK47 - inch
2BK47 - metric

4.45

3.70

4.10

2

1-3/4

1-15/32

15/32

3/4

7/8, 1, 1-1/8, 1-3/8

 2BK50 - inch
2BK50 - metric

4.75

4.00

4.40

2

1-3/4

1-15/32

15/32

3/4

3/4, 1, 1-1/8, 1-3/8

 2BK52 - inch
2BK52 - metric

4.95

4.20

4.60

3

1-3/4

1-15/32

15/32

1/8

5/8, 7/8, 1, 1-1/8, 1-3/8

 2BK55 -inch
2BK55 - metric

5.25

4.50

4.90

3

1-3/4

1-15/32

15/32

1/8

1-1/8, 1-3/8

 2BK57 - inch
2BK57 - metric

5.45

4.70

5.10

3

1-3/4

1-15/32

15/32

1/8

1, 1-1/8, 1-3/8

 2BK60 - inch
2BK60 - metric

5.75

5.00

5.40

3

1-3/4

1-15/32

15/32

1/8

3/4, 7/8, 1, 1-1/8, 1-3/8

 2BK62 - inch
2BK62 - metric

5.95

5.20

5.60

3

1-3/4

1-15/32

15/32

1/8

1, 1-1/8

 2BK65 - inch
2BK65 - metric

6.25

5.50

5.90

3

1-3/4

1-15/32

15/32

1/8

1, 1-1/8, 1-3/8

 2BK67- inch
2BK67- metric

6.45

5.70

6.10

3

1-3/4

1-15/32

15/32

1/8

1, 1-1/8, 1-3/8

 2BK70 - inch
2BK70 - metric

6.75

6.00

6.40

3

1-3/4

1-19/32

11/32

1/16

3/4, 1, 1-1/8, 1-3/16, 1-3/8, 1-7-16

 2BK80 - inch
2BK80 - metric

7.75

7.00

7.40

3

1-3/4

1-19/32

11/32

1/16

3/4, 1, 1-1/8, 1-3/16, 1-3/8, 1-7-16

 2BK90 - inch
2BK90 - metric

8.75

8.00

8.40

3

1-3/4

1-19/32

11/32

1/2

3/4, 1, 1-1/8, 1-3/16, 1-3/8, 1-7-16

 2BK100 - inch
2BK100 - metric

9.75

9.00

9.40

3

1-3/4

1-19/32

11/32

1/2

3/4, 1, 1-3/16, 1-3/8, 1-7-16

 2BK110 - inch
2BK110 - metric

10.75

10.00

10.40

3

1-3/4

1-19/32

11/32

1/2

1, 1-3/16, 1-3/8, 1-7/16

 2BK120 - inch
2BK120 - metric

11.75

11.00

11.40

3

1-3/4

1-19/32

11/32

1/2

1, 1-3/16, 1-3/8, 1-7/16

 2BK130 - inch
2BK130 - metric

12.75

12.00

12.40

3

1-3/4

1-19/32

11/32

1/2

1, 1-3/16, 1-3/8, 1-7/16

 2BK140- inch
2BK140- metric

13.75

13.00

13.40

3

1-3/4

1-19/32

11/32

1/2

1, 1-3/16, 1-3/8, 1-7/16

 2BK160 - inch
2BK160 - metric

15.75

15.00

15.40

3

1-3/4

1-19/32

11/32

1/2

1, 1-3/16, 1-3/8, 1-7/16

 2BK190- inch
2BK190- metric

18.75

18.00

18.40

3

1-3/4

1-19/32

11/32

1/2

1-3/16, 1-1/4, 1-7/16

AK Sheaves are precision machined from gray cast iron, statically balanced, painted with baked enamel finish and individually packaged. Sheaves are furnished with standard keyways & set screws.

Standard Keyseats

Bore-Range

Keyseat

1/2

None

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 - 1-1/4

3/8 x 3/16


 
 
 
Bearing Distributors, Inc.
1-800-934-2834
930 South Stadium Road
Columbia, SC 29201
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