
Timing belt Optibelt 25 T5K6 / 4000 AFX
- Brand
- OPTIBELT
- Category
- Power transmission
- Subcategory
- Timing belts
- Series
- Alpha Flex
We reply promptly.
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 T5K6 / 4000 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 T5K6 / 4000 AFX and any equivalents.
The Optibelt 25 T5K6 / 4000 AFX is a timing belt in the Alpha Flex series. It has a T5 profile, a 4000 mm length and a 5 mm pitch. When you need to replace a belt, start by reading the marking on its back.
The marking on the back of an old belt usually shows the profile and the length. On this belt, that marking is 25 T5K6 / 4000 AFX. The profile is T5, the length is 4000 mm and the pitch is 5 mm. Match those figures to the data here before you request a quote.
If the printing has worn off, measure the old belt and note the tooth profile. A T5 profile with a 4000 mm length and a 5 mm pitch is what this Optibelt belt provides. We carry the Alpha Flex series for drives that use synchronous belts.
Send the part number 25 T5K6 / 4000 AFX by WhatsApp or email. Our team will confirm the belt and reply promptly. If you are unsure about the marking, include a photo of the old belt with your request.
Dimensions
- Profile
- T5
- Pitch
- 5mm
- Length
- 4000mm
Frequently asked questions
- How do I identify the belt I need to replace?
- Read the marking on the back of the old belt. If it matches 25 T5K6 / 4000 AFX, this Optibelt timing belt has the same profile, length and pitch.
- What are the profile, length and pitch of this belt?
- The profile is T5, the length is 4000 mm and the pitch is 5 mm.
- How do I request a quote for this belt?
- Send the part number 25 T5K6 / 4000 AFX by WhatsApp or email. Our team will confirm the belt and reply promptly.

