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PULLEYS (continued)
STEP CONE PULLEYS ( Cone type pulleys, step type pulleys)
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 Keyway
Data -- Bores indicated (O) have Standard Keyways. (N) No keyway.
5/8"-3/4" Bore -- 3/16 x 3/32 Keyway
1" Bore -- 1/4 x 1/8 Keyway
Special bores and special keyways furnished at small additional
charge.
Step Type Pulleys Available in:
Two Step - Three Step - Four Step - All from Stock
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| Part Number |
Step |
Outside Diameter |
Stock Bore Sizes |
Dimensions |
Weight |
| D1 |
D2 |
D3 |
D4 |
1/2 |
5/8 |
3/4 |
1 |
F |
L |
C |
| SCA-32 |
2 |
2 |
3 |
- |
- |
N |
N |
- |
- |
1-7/32 |
27/32 |
3/8 |
.52 |
| SCA-33 |
3 |
1-15/16 |
2-9/16 |
3-3/8 |
- |
N |
O |
- |
- |
1-7/8 |
1-7/8 |
- |
.78 |
| SCA-43 |
3 |
2 |
3 |
4 |
- |
N |
O |
O |
- |
1-27/32 |
1-1/2 |
11/32 |
1.10 |
| SCA-44 |
4 |
2 |
2-5/8 |
3-3/8 |
4 |
N |
O |
O |
- |
2-7/16 |
1-9/16 |
7/8 |
1.45 |
| SCA-53 |
3 |
3 |
4 |
5 |
- |
O |
O |
O |
O |
1-7/8 |
1-11/16 |
3/16 |
1.51 |
| SCA-54 |
4 |
2 |
3 |
4 |
5 |
O |
O |
O |
- |
2-15/32 |
2-13/32 |
1/16 |
1.79 |
| SCA-63 |
3 |
4 |
5 |
6 |
- |
- |
O |
O |
- |
2-1/8 |
1-15/16 |
3/16 |
2.30 |
| SCA-64 |
4 |
3 |
4 |
5 |
6 |
O |
O |
O |
O |
2-17/32 |
2-11/32 |
3/16 |
2.50 |
Furnished With Hollow Head Set Screws
NOTE: "Pitch Diameters are 0.150" less than
outside diameter" |
VARIABLE
PITCH PULLEYS (variable; variable pitch; variable
diameter)
For Use With "A" & "B" Belts
Variable
Pitch Pulleys are
used for many kinds of drives including:
- HVAC Fans, Blowers, Pumps
- Oil Burners
- Compressors
- Refrigerators
- Air Conditioners
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CLICK HERE FOR PART
NUMBER AND PRODUCT SPECIFICATIONS
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[ PRODUCTS: sheaves, pulleys . power
transmission, tool and abrasives ]
[ TYPES: v-belt; grooved, fractional horsepower, adjustable pitch; adjustable
diameter; variable pitch; variable diameter ]
[ MATERIALS: Die Cast; zinc; aluminum; custom; special ]
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