
Timing belt Optibelt 1125 3M 15
- Brand
- OPTIBELT
- Category
- Power transmission
- Subcategory
- Timing belts
- Series
- HTD
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 1125 3M 15 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 1125 3M 15 and any equivalents.
The Optibelt 1125 3M 15 is an HTD timing belt with a 3M profile, a 1125 mm length, and a 3 mm pitch. Before you fit it, inspect the drive and sheaves so the new belt runs true and lasts.
Check the sheaves for worn grooves, burrs, or debris that can damage the belt teeth. Confirm the sheave profile matches HTD 3M and that the teeth are not hooked or flattened. Misalignment between sheaves will edge-wear any timing belt, so verify straightness and parallel alignment before installation.
Inspect the drive for bearing play, loose mounts, or damaged tensioners that could cause the belt to track off. Clean the sheaves and remove any old belt residue. Set tension according to the drive maker's specification, then recheck after the first run-in period.
When you request a quote for the 1125 3M 15, include the part number and confirm the profile and length from the old belt's back marking. Send a photo of the marking if it is worn. We carry Optibelt HTD timing belts and can help you match the right belt for your drive.
Dimensions
- Profile
- HTD 3M
- Pitch
- 3mm
- Length
- 1125mm
Frequently asked questions
- What should I check on the drive before fitting this belt?
- Inspect sheave grooves for wear or damage, verify alignment, check bearings and tensioners for play, and clean the sheaves. Correct any issues before installing the new belt.
- How do I confirm this is the correct belt for my application?
- Read the marking on the back of the old belt and match the profile and length. For the 1125 3M 15, the profile is HTD 3M and the length is 1125 mm. If the marking is unreadable, send a photo and we can help confirm.
- What information do you need to quote the 1125 3M 15?
- Send the part number 1125 3M 15 and the quantity you need. If you are unsure of the profile or length, include the old belt's back marking or a photo for verification.

