Timing belt Optibelt 25 / 8M 4000 AFX
- Brand
- OPTIBELT
- Category
- Power transmission
- Subcategory
- Timing belts
- Series
- Alpha Flex
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Description
OPTIBELT 25 / 8M 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 / 8M 4000 AFX and any equivalents.
The Optibelt 25 / 8M 4000 AFX is an Alpha Flex timing belt with an HTD 8M profile, a 4000 mm length and an 8 mm pitch. Before you fit it, inspect the drive and the sheaves so the new belt runs correctly from the first start.
Check the sheaves for worn grooves, corrosion, burrs or built-up debris, and confirm the teeth are clean and undamaged. Misaligned or worn sheaves will shorten the life of any timing belt, including this one. Verify that the sheave profile matches the HTD 8M belt and that the flanges are not bent or rubbing.
Confirm the driven and driving shafts turn freely and that bearings have no play or rough spots. Set the correct center distance and tension according to the drive manufacturer's procedure. Keep the belt clean and free of oil or grease during fitting.
If you are replacing a belt on a drive that has run for some time, inspect the old belt for uneven tooth wear, cracks or cord exposure. Those signs often point to a sheave or alignment problem that should be corrected before the new Optibelt Alpha Flex belt is installed.
Dimensions
- Profile
- HTD 8M
- Pitch
- 8mm
- Length
- 4000mm
Frequently asked questions
- What should I check on the drive before fitting this belt?
- Inspect the sheaves for worn grooves, corrosion, burrs and debris, and confirm the profile matches the HTD 8M belt. Check shaft bearings for play, verify alignment, and make sure the drive turns freely before you tension the new belt.
- How do I identify this belt on the old part?
- Look for the marking 25 / 8M 4000 AFX on the back of the belt. The profile is HTD 8M, the length is 4000 mm and the pitch is 8 mm. Send that marking to MR if you need help confirming the replacement.
- What information do you need for a quote?
- Send the part number 25 / 8M 4000 AFX, the brand Optibelt and the series Alpha Flex by WhatsApp or email. If you have the old belt, include a photo of the back marking so the team can confirm the details.