


MB31-7/8 V-Belt Pulley Single Groove | BK30-7/8 Sheave
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
MB31-7/8 V-Belt Pulley Single Groove | BK30-7/8 SheaveThis single groove V belt pulley features an MB31 7 8 size and BK30 7 8 sheave for reliable power transmission. Its durable design ensures a long operating life with proper installations. Product Details : MB31 7 8 V Belt Pulley Single Groove BK30 7 8 Sheave Part No: MB31 7 8 Reference Number: BK30 7 8 Fixed Bore: 7 8" Outside Diameter: 3. 15" Belt Series: 4L A 5L B Groove: 1 Length Through Bore (LTB): 1 3 8" App. Wgt.: 1. 4 For any information about
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Your MB31-7/8 V-Belt Pulley Single Groove | BK30-7/8 Sheave orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.0 ★★★★★
Based on 1577 reviews
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Product Reviews
★★★★★ 4
Buen material
Size: Small, Color: Stone Grey 1 Pair
Son cómodas y de buen material.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
Great value and fit!!
Size: Small, Color: Stone Grey 1 Pair
Excellent socks for the price!! Fast shipping with Prime!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 17, 2026
★★★★★ 5
Comfortable and breathable
Size: Medium, Color: Coyote Brown 4 Pairs
Super comfortable socks that breathe well in my Danner steel toes. Not a lot of shrinkage in the wash so they fit right over and over. Don’t slide down your legs.
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Reviewed in the United States on September 14, 2025
★★★★★ 5
Good
Size: Large, Color: Stone Grey 4 Pairs
Good
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Reviewed in the United States on April 29, 2026
★★★★★ 3
Not enough underfoot padding
Size: Medium, Color: Coyote Brown 4 Pairs
Socks are well made but would be better if they had thicker padding under the toe and heal.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 2, 2025