
Timing belt Optibelt 300 / H 1735 AFX
- Brand
- OPTIBELT
- Category
- Power transmission
- Subcategory
- Timing belts
- Series
- Alpha Flex
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Description
OPTIBELT 300 / H 1735 AFX belongs to timing belt, part of our Power transmission range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 300 / H 1735 AFX and any equivalents.
The Optibelt 300 / H 1735 AFX is an Alpha Flex timing belt with an H profile and a length of 4406.9 mm. This page gives maintenance, engineering and purchasing teams the two specifications that matter most when selecting a synchronous belt: profile and length. Use the part number to request a quote.
The H profile defines the tooth shape and pitch that the pulleys on your drive must match. The length of 4406.9 mm is the datum length for this belt. When you compare a replacement, both values must line up with the original belt and the drive's pulley geometry.
The Alpha Flex series from Optibelt is built for synchronous drives where tooth engagement carries the load. This belt is identified by the code 300 / H 1735 AFX. Before ordering, check the marking on the back of the old belt and confirm the profile and length against your drive documentation.
To request a quote, send the part number 300 / H 1735 AFX by WhatsApp or email. If you are unsure whether this H-profile belt with a 4406.9 mm length is the right fit, include your application details and the team can help confirm the correct belt.
Dimensions
- Profile
- H
- Length
- 4406.9mm
Frequently asked questions
- What do the profile and length mean on this belt?
- The H profile is the tooth profile, and 4406.9 mm is the belt length. Both must match your drive's pulleys and layout.
- How do I confirm this is the right belt for my drive?
- Read the marking on the back of the belt you are replacing and compare the profile and length with this belt's H profile and 4406.9 mm length.
- How do I request a quote for the Optibelt 300 / H 1735 AFX?
- Send the part number 300 / H 1735 AFX by WhatsApp or email. Include any drive details you have so the team can help confirm the belt.

