
Timing belt Optibelt 100 AT5 / 1200 AFX
- Brand
- OPTIBELT
- Category
- Power transmission
- Subcategory
- Timing belts
- Series
- Alpha Flex
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Description
OPTIBELT 100 AT5 / 1200 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 100 AT5 / 1200 AFX and any equivalents.
This Optibelt Alpha Flex timing belt is identified by the code 100 AT5 / 1200 AFX. It has an AT5 profile, a 1200 mm length and a 5 mm pitch. Before fitting it, inspect the drive and sheaves so the new belt runs correctly.
Check the sheaves for worn grooves, burrs, corrosion or debris that can damage the belt. Confirm the shafts turn freely and that the bearings and tensioner are in good condition. Misalignment or a damaged sheave will shorten the life of any new timing belt.
Verify the old belt marking matches the Optibelt 100 AT5 / 1200 AFX: AT5 profile and 1200 mm length. If the marking is worn, measure the drive and confirm the pitch and length before ordering. Send the part number by WhatsApp or email and our team will confirm the belt or suggest an equivalent.
Replace the belt with the drive locked out and follow the machine manufacturer's tensioning procedure. After fitting, rotate the drive by hand to check the belt tracks correctly and recheck tension after the first run-in period.
Dimensions
- Profile
- AT5
- Pitch
- 5mm
- Length
- 1200mm
Frequently asked questions
- What does the Optibelt 100 AT5 / 1200 AFX marking mean?
- It identifies this belt as an Optibelt Alpha Flex timing belt with an AT5 profile, a 1200 mm length and a 5 mm pitch. Use these values to match the belt to your drive.
- What should I check before installing this belt?
- Inspect the sheaves for wear, burrs or debris, confirm the shafts turn freely, and check the bearings and tensioner. Correct any misalignment before fitting the new belt.
- How do I request a quote for this belt?
- Send the part number 100 AT5 / 1200 AFX by WhatsApp or email. Our team will reply promptly to confirm the belt or suggest an equivalent.

