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Product Specifications:
| Item | V-Belt Sheave |
| 4l, A, Or Ax Belt Pitch Dia. | 4.2" |
| 4la Or A Belt Pitch Dia. | 4.2" |
| 5l, B, Or Bx Belt Pitch Dia. | 4.6" |
| Belt Type | 4L |
| Bore Dia. | 1" |
| Bore Type | Finished With Keyway |
| Bushing Required | None |
| Construction | Arm |
| Datum Dia. | 4 3/5" |
| Dimension E | 11/25" |
| Dimension L | 1.19" |
| Face Width | 22/25" |
| Fits Shaft Dia. | 1" |
| Hub Dia. | 1 13/16" |
| Industry Number | BK521 |
| Keyway Size | 1/4" x 1/8" |
| Material | Cast Iron |
| Max. Rpm | 5060 RPM |
| No. Of Grooves | 1 |
| Outside Dia. | 4.95" |
| Overall Length | 1.312" |
| Pitch Dia. | 5.01" |
| Set Screw Included | Yes |
Shipping Info:
| Ship weight (kg) | 1.53 |
| Ship height (cm) | 13.21 |
| Ship length (cm) | 13.21 |
| Ship width (cm) | 4.32 |
| HS code | 8483509040 |
| Country of Origin | US |
Product Variants
| Product | Model | Bore Type | Outside Dia. | Bore Dia. | For Belt Section | 4l, A, Or Ax Belt Pitch Dia. | Industry Number | 5l, B, Or Bx Belt Pitch Dia. | Max. Rpm | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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AK3212 | Fixed | 3 1/4" | 1/2" | 3L, 4L, A, Ax | 3" | AK3212 | - | 7700 RPM | €33.70 | |
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AK3258 | Fixed | 3 1/4" | 5/8" | 3L, 4L, A, Ax | 3" | AK3258 | - | 7700 RPM | €33.70 | |
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AK3234 | Fixed | 3 1/4" | 3/4" | 3L, 4L, A, Ax | 3" | AK3234 | - | 7700 RPM | €33.70 | |
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AK32X7/8 | Fixed | 3 1/4" | - | 3L, 4L, A, Ax | 3" | AK3278 | - | 7700 RPM | €39.79 | |
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AK321 | Fixed | 3 1/4" | 1" | 3L, 4L, A, Ax | 3" | AK321 | - | 7700 RPM | €33.70 | |
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AK1041 | Fixed | - | 1" | 3L, 4L, A, Ax | 10" | AK1041 | - | 2440 RPM | €132.62 | |
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AK10434 | Fixed | - | 3/4" | 3L, 4L, A, Ax | 10" | AK10434 | - | 2440 RPM | €132.62 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
TB WOODS BK521 FHPBoredtosize V-Belt Sheave, Cast Iron, 4L Type Belt, 1.8125 inch Hub Dia.
€68.18 /unit



