Description
3100-S3M-378 Timing Belt
The 3100-S3M-378 is a timing belt from D&D Global's Dura-Sure Torque - S3M Series line. It transmits power positively with no slip, holding timing between shafts on synchronous drives.
| Specification | Value |
|---|---|
| Part Number | 3100-S3M-378 |
| Belt Type | Timing Belt |
| Tooth Profile | S3M STD (curvilinear) |
| Tooth Pitch | 3 mm |
| Number of Teeth | 126 |
| Belt Width | 310 mm |
| Pitch Length | 378 mm (Pitch Length) |
| Construction | Chloroprene (Neoprene), Fiberglass cord, fabric tooth cover |
| Weight | 0.891 lb |
Applications
- Conveyors and indexing drives
- Pumps, compressors, and blowers
- Packaging, processing, and automation equipment
- Positive drives where timing must stay locked with no slip
Browse the full range in Timing Belts, or use our belt identification guide to match an existing part.
Cross-Reference
3100-S3M-378 is a standardized industry size, so a 3100-S3M-378 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 3100-S3M-378 used for?
3100-S3M-378 is a timing belt used on positive, no-slip drives such as conveyors, pumps, packaging machinery, robotics, and machine tools. Synchronous belts hold timing between shafts, so they suit applications where slip is unacceptable.
What are the dimensions of 3100-S3M-378?
3100-S3M-378 has a 3 mm tooth pitch, 126 teeth, a belt width of 310 mm, and a 378 mm (Pitch Length). The pitch length is the pitch-line circumference.
What does the S3M in 3100-S3M-378 mean?
S3M is a STD (curvilinear) synchronous tooth profile. The belt must match the pulley, so a S3M belt runs only on S3M pulleys.
Does 3100-S3M-378 ship from Houston?
Yes. 3100-S3M-378 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.
Need a quote on 3100-S3M-378?
Houston warehouse — same-day shipping on stock items.
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