
Timing belt Optibelt 50 T20 / 4000 AFX
- Brand
- OPTIBELT
- Category
- Power transmission
- Subcategory
- Timing belts
- Series
- Alpha Flex
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Description
OPTIBELT 50 T20 / 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 50 T20 / 4000 AFX and any equivalents.
The Optibelt 50 T20 / 4000 AFX is a timing belt in the Alpha Flex series. It has a T20 profile, a 4000 mm length and a 20 mm pitch. Before you fit it, inspect the drive and the sheaves.
A new belt will not correct worn or misaligned components. Check the sheaves for wear, burrs, runout and correct alignment. Confirm that the shafts turn freely and that the tensioning system moves through its full range. If any of these items are out of specification, address them before installing the belt.
The belt marking helps you match the old part. This belt is identified as 50 T20 / 4000 AFX, with a T20 profile and a 4000 mm length. The 20 mm pitch is also part of the data. Use these values when comparing against the belt you are replacing.
To request a quote, send the part number 50 T20 / 4000 AFX by WhatsApp or email. If you are unsure whether this is the correct belt for your drive, include the old belt marking and details of the sheaves. The team can help confirm the right belt or suggest an equivalent.
Dimensions
- Profile
- T20
- Pitch
- 20mm
- Length
- 4000mm
Frequently asked questions
- What should I check on the drive before installing this belt?
- Inspect the sheaves for wear, damage and alignment. Verify that the shafts rotate freely and that the tensioner operates correctly. Correct any issues before fitting the new belt.
- How do I identify this belt on the old part?
- Look for the marking 50 T20 / 4000 AFX. The profile is T20, the length is 4000 mm and the pitch is 20 mm.
- How do I request a quote for the 50 T20 / 4000 AFX?
- Send the part number by WhatsApp or email. If you need help confirming the belt, include the old belt marking and drive details.

