Timing belt Optibelt AT3 351
- Brand
- OPTIBELT
- Category
- Power transmission
- Subcategory
- Timing belts
- Series
- Alpha Power
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Description
OPTIBELT AT3 351 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 AT3 351 and any equivalents.
This Optibelt Alpha Power timing belt is identified by profile AT3 and length 351 mm. It is a synchronous belt used in precision drives where exact positioning and smooth power transfer matter. Confirm fit by matching the profile and length to your existing belt.
The AT3 profile with a 3 mm pitch is common in compact, high-accuracy drives such as small CNC axes, 3D printer motion systems, and light-duty automation equipment. The 351 mm length suits drives with tight center distances where space is limited.
To confirm this belt fits your application, check the marking on the back of the old belt and compare the profile and length. The AT3 profile and 351 mm length must both match. If the old belt is worn or the marking is unreadable, measure the length along the belt's path and verify the tooth profile against a known sample.
When requesting a quote, send the part number AT3 351, the profile, and the length. If you are unsure, our team can help confirm the right belt or suggest an equivalent based on your drive details.
Dimensions
- Profile
- AT3
- Pitch
- 3mm
- Length
- 351mm
Frequently asked questions
- What does the AT3 profile mean on this Optibelt belt?
- AT3 is the tooth profile, and this belt has a 3 mm pitch. The profile and pitch determine how the belt meshes with the pulley teeth.
- How do I confirm the length of the Optibelt AT3 351?
- The length is 351 mm. Check the marking on the back of your old belt, or measure along the belt's path if the marking is not clear.
- Can I use this belt on any drive that takes an AT3 profile?
- The belt must match both the AT3 profile and the 351 mm length for proper fit. If your drive uses a different length, a different belt is required.