
Timing belt Optibelt 25 AT5K6 / 2100 AFX
- Brand
- OPTIBELT
- Category
- Power transmission
- Subcategory
- Timing belts
- Series
- Alpha Flex
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Tell us the quantity you need and request a quote by WhatsApp or email.
Can't find the exact model? Tell us the part number or model you need. We'll track it down and quote it, whether or not it appears in our catalog.
Description
OPTIBELT 25 AT5K6 / 2100 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 25 AT5K6 / 2100 AFX and any equivalents.
The Optibelt 25 AT5K6 / 2100 AFX is an Alpha Flex timing belt with an AT5 profile, a 2100 mm length and a 5 mm pitch. If you are replacing a belt on a drive, use these three values to confirm the match before you order.
Matching starts with the marking on the belt being replaced. Read the profile, length and pitch from the old belt and compare them with the AT5 profile, 2100 mm length and 5 mm pitch of this Optibelt Alpha Flex belt. The part number 25 AT5K6 / 2100 AFX identifies this exact belt, so send that number when you request a quote and we can confirm it against your application.
If the old belt is worn or the marking is no longer legible, check the drive components instead. Count the teeth on both pulleys and measure the center distance; these details help confirm whether the AT5 profile and 2100 mm length are correct for the drive. We carry the Optibelt 25 AT5K6 / 2100 AFX and can help you verify the right belt or suggest an equivalent when the original is not readable.
Dimensions
- Profile
- AT5
- Pitch
- 5mm
- Length
- 2100mm
Frequently asked questions
- How do I confirm this belt matches the one I am replacing?
- Compare the profile, length and pitch on the old belt with the AT5 profile, 2100 mm length and 5 mm pitch of this Optibelt Alpha Flex belt. The part number 25 AT5K6 / 2100 AFX should also match if it is printed on the belt.
- What should I send to request a quote?
- Send the part number 25 AT5K6 / 2100 AFX, or the marking from the belt being replaced, by WhatsApp or email. If the marking is not clear, include the pulley tooth counts and center distance so we can help confirm the correct belt.
- Can you help if the old belt marking is worn off?
- Yes. Send the drive details, such as pulley tooth counts and center distance, and we can help identify the correct AT5 profile belt or suggest an equivalent.

