8V Series Cast Iron Six-Groove QD Sheaves for “8V” Belts
8V series six-groove QD (quick detachable) bushed sheaves(8V Series Six-Groove QD Sheaves) are manufactured for 8V and 8V banded belts. They range from 12.50″ to 5″.00″ in d”diameter. Depending on the sheave size, they are made to use an F, J, M, or N QD bushing, which we also stock. Most of our six-groove 8V QD sheaves are manufactured from a high-strength grade 35 cast iron, are phosphate-coated, and are painted for anti-corrosion. All of them are balanced at the factory for smooth machinery operation.
Six-Groove 8V QD Sheave Size Chart
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Sheave Size
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Bushing
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Type
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Pitch Diameter (P.D.)
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Outside Diameter (O.D.)
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(E)
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(F)
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(L)
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(M)
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Weight (LBS)
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|---|---|---|---|---|---|---|---|---|---|
| 68V1250F | F | A | 12.30 | 12.50 | 31/32″ | 7-1/8″ | 3-3/4″ | 2-13/32″ | 90 |
| 68V1320F | F | A | 13.00 | 13.20 | 31/32″ | 7-1/8″ | 3-3/4″ | 2-13/32″ | 98 |
| 68V1400F | F | A | 13.80 | 14.00 | 31/32″ | 7-1/8″ | 3-3/4″ | 2-13/32″ | 112 |
| 68V1500J | J | A | 14.80 | 15.00 | 1-1/8″ | 7-1/8″ | 4-5/8″ | 1-3/8″ | 123 |
| 68V1600J | J | A | 15.80 | 16.00 | 1-1/8″ | 7-1/8″ | 4-5/8″ | 1-3/8″ | 129 |
| 68V1700J | J | A | 16.80 | 17.00 | 1-1/8″ | 7-1/8″ | 4-5/8″ | 1-3/8″ | 136 |
| 68V1800J | J | A | 17.80 | 18.00 | 1-1/8″ | 7-1/8″ | 4-5/8″ | 1-3/8″ | 143 |
| 68V1900J | J | A | 18.80 | 19.00 | 1-1/8″ | 7-1/8″ | 4-5/8″ | 1-3/8″ | 157 |
| 68V2000M | M | B | 19.80 | 20.00 | 1-11/32″ | 7-1/8″ | 6-3/4″ | 31/32″ | 179 |
| 68V2120M | M | B | 21.00 | 21.20 | 1-11/32″ | 7-1/8″ | 6-3/4″ | 31/32″ | 193 |
| 68V2240M | M | B | 22.20 | 22.40 | 1-11/32″ | 7-1/8″ | 6-3/4″ | 31/32″ | 205 |
| 68V2480M | M | A | 24.60 | 24.80 | 11/32″ | 7-1/8″ | 6-3/4″ | 1/32″ | 235 |
| 68V3000M | M | A | 29.80 | 30.00 | 11/32″ | 7-1/8″ | 6-3/4″ | 1/32″ | 285 |
| 68V3550N | N | C | 35.30 | 35.50 | 15/16″ | 7-1/8″ | 8-1/8″ | 1/16″ | 340 |
| 68V4000N | N | C | 39.80 | 40.00 | 15/16″ | 7-1/8″ | 8-1/8″ | 1/16″ | 394 |
| 68V4450N | N | C | 44.30 | 44.50 | 15/16″ | 7-1/8″ | 8-1/8″ | 1/16″ | 489 |
| 68V5300N | N | C | 52.80 | 53.00 | 15/16″ | 7-1/8″ | 8-1/8″ | 1/16″ | 584 |
Related Matching 8V, 8V Banded Series V-Belt
(1) 8V-Series V-Belts
Classic 8V-Series V-Belts have a 0.63″ top-width, 0.53″ thickness, and a 38° angle. Additionally, 8V V-belts are one of the oldest styles of V-Belts in the industry. Because of their long-term success and economical operation, they are also one of the industry’s most widely used belt series. The premium 8V-series v-belts we supply are manufactured under ISO 9001 specifications, are oil and heat resistant, and directly interchange with other brands. They are constructed of a natural rubber compound with polyester cords and use cotton with a polyester blend cover for high durability.
(2) 8V-Series Banded V-Belts
8V-series v-belts are a part of the “classic” lineup of v-belts because they are one of the oldest style belts applications and one of the most common. Our belts are according to ARPM standards and offer superior strength, durability, and performance. 8V-series v-belts have a 1.0″ top-width per belt (band/ rib).
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Related QD Bushings | Quick Disconnect Bushings
QD bushings are utilized throughout the industrial power transmission and agricultural industry for various sprockets, sheaves, pulleys, and synchronized drives. They are designed for easy installation and easy uninstallation; they are also commonly referred to as quick-disconnect bushings. QD bushings can help conventional mounting with the flange outboard and reverse mounting to where the flange is inboard and utilize a single split that extends through the entire bushing length. Our QD bushings interchange with other brands and are made from high-grade steel precision machined for perfect application fitment. QD bushings’ benefits over different styles include; ease of installation/ uninstall, superior holding power, and extreme strengths. We stock all the standard sizes of QD bushings and supply custom QD bushings upon request, including stainless steel ones. QD bushings are found in some of the most rugged applications worldwide; contact our customer service team today for a quote or additional information on our premium QD bushings.
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Bushing Type
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(A)
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(B)
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(D)
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(E)
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(F)
|
(G)
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(L)
|
Bolt Circle
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Cap Screws Required
|
Min. Stock Bore
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Max. Bore W/ KW
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Max Bore W/ Shallow KW
|
Set Screw Size
|
Avg. Weight (LBS)
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F | 0.813″ | 4.437″ | 6.625″ | 2.813″ | 2.500″ | 0.423″ | 3.625″ | 5.625″ | 3 – 0.563X3.625 | 1.000″ | 3.313″ | 3.938″ | 0.5 – 13 | 11.5 |
| J | 1.000″ | 5.148″ | 7.250″ | 3.500″ | 3.188″ | 0.423″ | 4.500″ | 6.250″ | 3 – 0.625X4.5 | 1.438″ | 3.750″ | 4.500″ | 0.625 – 11 | 18.0 |
| M | 1.250″ | 6.500″ | 9.000″ | 5.500″ | 5.188″ | 0.423″ | 6.750″ | 7.875″ | 4 – 0.75X6.75 | 1.938″ | 4.750″ | 5.500″ | 0.75 – 10 | 37.0 |
| N | 1.500″ | 7.000″ | 10.25″ | 6.625″ | 6.250″ | 0.423″ | 8.125″ | 8.500″ | 4 – 0.875X8.5 | 2.438″ | 5.125″ | 6.000″ | 0.75 – 10 | 57.0 |
Why Does the Belt Fall off the Pulley by Itself When Driving?
1. The belt falls off the pulley by itself during transmission; it may be that the belt is installed too loosely;
2. It is also possible that the pulley and the motor drive end are unbalanced and not on the same level;
3. Check whether the pulley bearing is damaged and whether the pulley is vertical.
4. Check whether the drive end is firmly fixed and whether the belt model matches the pulley.
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