Description
Megadyne 840J4 Micro-V Belt, J
The Megadyne 840J4 is a multi-rib (Micro-V) belt in the J rib profile with a 84.0" effective length and 0.37" (4 ribs). The closely spaced ribs deliver high power density and run smoothly on small-diameter pulleys, the standard choice for compact serpentine and accessory drives. It is a direct replacement for Jason Industrial 840J4.
$35 minimum order on Megadyne belts. Mix and match any Megadyne belts in your cart to reach the $35 minimum. Questions? Call (888) 203-2358.
| Specification | Value |
|---|---|
| Part Number | 840J4 |
| Cross Section | J |
| Construction | Curvilinear rib |
| Width | 0.37" (4 ribs) |
| Number of Ribs | 4 |
| Effective Length | 84.0" |
| Temperature Range | -22°F to 176°F |
Applications
- Serpentine and accessory drives
- Compact, high-speed power transmission on small pulleys
- Fitness equipment and small machinery
- Drives where one multi-rib belt replaces multiple V-belts
Cross-References
The J rib profile and length are industry-standard, so the 840J4 interchanges with Gates 840J4, Dayco 840J4, Continental 840J4, and Jason Industrial 840J4. Browse the micro v belts collection.
Frequently Asked Questions
What is the Megadyne 840J4 used for?
The 840J4 is used for serpentine and accessory drives, such as compact, high-speed power transmission on small pulleys and fitness equipment and small machinery.
What are the dimensions of 840J4?
The 840J4 has a 0.37" (4 ribs) width, a 84.0" effective length in the J profile.
Is 840J4 interchangeable with Gates 840J4?
Yes. The J rib profile and length are industry-standard, so the Megadyne 840J4 interchanges with Gates, Dayco, Continental, and Jason Industrial belts of the same designation.
What is the temperature rating of 840J4?
The 840J4 is rated for continuous operation from -22°F to 176°F.
Does 840J4 ship from Houston?
Yes. The 840J4 ships from the Texas Belting & Supply warehouse in Houston, TX, with same-day shipping on stock items. Call (888) 203-2358 for stock and lead time.
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