Description
300J4 Micro-V Belt
The 300J4 is a micro-v belt from D&D Global's Dura-Prime Rib Pro Serpentine - J Series line. Its multiple ribs grip matching grooved pulleys for flexible, quiet power transfer on accessory drives.
| Specification | Value |
|---|---|
| Part Number | 300J4 |
| Belt Type | Micro-V Belt |
| Profile | J |
| Number of Ribs | 4 |
| Belt Width | 0.368 in |
| Length | 30 in (Pitch Length) |
| Construction | Synthetic Rubber, Polyester Cord cord |
| Weight | 0.058 lb |
| UPC | 190859913955 |
Applications
- HVAC blowers and fitness equipment
- Power tools and small appliances
- Automotive and light-industrial accessory drives
- Compact multi-rib drives needing flexibility and quiet running
Browse the full range in Micro-V Belts, or use our belt identification guide to match an existing part.
Cross-Reference
300J4 is a standardized industry size, so a 300J4 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves. For OEM or proprietary numbers, confirm the equivalent before ordering — call (888) 203-2358.
All manufacturer names and part numbers are used for reference and identification purposes only. Texas Belting & Supply is not affiliated with, sponsored by, or endorsed by any other manufacturer.
Frequently Asked Questions
What is 300J4 used for?
300J4 is a micro-v belt used on serpentine and multi-rib accessory drives — HVAC blowers, fitness and power equipment, small appliances, and automotive accessory drives. The multiple ribs grip matching grooved pulleys for flexible, quiet power transfer.
What are the dimensions of 300J4?
300J4 has 4 ribs and a 30 in (Pitch Length). The rib profile and rib count must match the pulley.
How many ribs does 300J4 have?
300J4 has 4 ribs. The number before the rib-section letter in the part number is the rib count, and it must match the grooves on the pulley.
Does 300J4 ship from Houston?
Yes. 300J4 ships from our Houston, Texas warehouse, with same-day shipping on in-stock items. Call (888) 203-2358 to confirm stock and request a quote.
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