


MB31-1 V-Belt Pulley Single Groove | BK30-1 Sheave
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
MB31-1 V-Belt Pulley Single Groove | BK30-1 SheaveThe MB31 1 V Belt Pulley Single Groove is a reliable and precise pulley, designed to maximize efficiency and improve system performance. The durable BK30 1 sheave ensures optimal belt contact and the precise fit reduces wear and tear on drive components. Product Details : MB31 1 V Belt Pulley Single Groove BK30 1 Sheave Part No: MB31 1 Reference Number: BK30 1 Fixed Bore: 1" Outside Diameter: 3. 15" Belt Series: 4L A 5L B Groove: 1 Length Through Bore
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- 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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4.7 ★★★★★
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Product Reviews
★★★★★ 5
Daughter approved
Size: 1 Little Kid, Color: Turquoise/Multi
My daughter picked out these shoes and she absolutely loves them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 5
Not stiff or tight…
Size: 13.5 Little Kid, Color: Turquoise/Multi
My niece loved them. So many of the slips in shoes are too stiff and tight, this one was easy on, not stiff or tight, just perfect!
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Great buy
Warm and fun
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Great quality
Size: 7-8 Toddler, Color: Moo-moo Cow
These are so cute and comfortable. My 3 yo can put them on himself and it is so cute that they light up. Fit as expected and are great quality. Even the dog hasn’t been able to tear them apart. Would buy more styles!
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Reviewed in the United States on January 27, 2025
★★★★★ 5
Great brand
Size: 7-8 Toddler, Color: Moo-moo Cow
I usually order from their web site but they were out of stock so I decided to check Amazon and there they were. They are cute. The baby keeps them on his feet. They look warm because they are well cushioned. The quality is good and it makes a great gift because they light up.
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Reviewed in the United States on January 2, 2025