Sorry, online purchases are not available in your country.
Confirmation
Do you really want to delete this item(s) from your shopping cart?
Close

Managing quotes online is only available to users with corporate accounts. You can still request a quote, but it will be emailed to you.

Request Quote

Upgrade to a corporate account for advanced options and personal service.

ATTENTION
Attention
  • BDI’s Warehouse Store is a limited catalog featuring only stocked items, priced exclusively for self-service online purchases made within the BDI Warehouse Store.

  • Pricing shown is available ONLY in the Warehouse Store and NOT from BDI Branch offices.

  • All sales are taxable (no tax free purchases) and payable by credit card. They cannot be charged to your BDI account.

  • All orders include a $5 ground shipping charge.

  • To purchase with your BDI account, please click Cancel.
  
ATTENTION
Attention
Soon you will not be able to run BDIExpress with Internet Explorer.

Microsoft is discontinuing support for the Internet Explorer web browser and obsoleting it. Microsoft is recommending switching to Microsoft Edge.



Or click below to download another browser 
 

8MX-31S-21 https://www.bdiexpress.com/medias/INDXXXPULLEY-SYNC-PC-FL-TL-300x300.jpg?context=bWFzdGVyfHJvb3R8MTg1NzB8aW1hZ2UvanBlZ3xhREEwTDJneFlpOHhNREV6TlRnMU5UazRPRGMyTmk5SlRrUllXRmhRVlV4TVJWbGZVMWxPUTE5UVExOUdURjlVVEY4ek1EQjRNekF3TG1wd1p3fDc4YWJlMDEyMDU4YmI2N2JlOTQ4MWI2ZDk0MjVkOGE1NDA0ZGZhMTM0MmRmZmFlMTU1NmMxMmI1OGE2NGFmNjg
Back to search results
1117386 Pulleys - Synchronous 

GATES GATES

8MX-31S-21

Description

8MX-31S-21 SYNCHRONOUS PULLEY ; 8MM PITCH 21MM BELT WD NO OF GROOVES 31

Synchronous Pulley; 21MM Belt Width; 8MM Belt Pitch; 8M-21 Poly Chain GT2 Belt Style; 31 Teeth; 23.368MM Face Width; Bushed; 84.531MM Flange OD; 77.343MM OD; 78.943MM Pitch Diam; Keyway; 12.7 To 31.75MM Bushing Bore Range; 1210 Bushing; No Minimum Plain Bore

Part #

8MX-31S-21

BDI #
1117386

Details

2099-12-31 http://schema.org/NewCondition https://schema.org/LimitedAvailability Your Price Request A Price BDIExpress
QTY

Inventory

Total: Available to order

Category
Pulleys - Synchronous
Brand
GATES
Manufacturer Name
GATES
Minimum Buy Quantity
N/A
Weight / Kilogram
0.499
EAN
0072053824360
Product Group - BDI
M02316
Belt Pitch
8 MM
Belt Style
8M-21 Poly Chain GT2
Number of Teeth
31
Mounting Method
Bushed
Flanges
Yes
Keyway Yes/No
Yes
Bushing Size
1210
Minimum Plain Bore
No
Other Features
Bushing Not Included | Taper Bushing | Type AF
Inch - Metric
Metric
Category - BDI
Pulley Synchronous
Harmonized Tariff Code
8483.50.90.80
Noun
Pulley
Keyword String
Synchronous
Long Description
Synchronous Pulley; 21MM Belt Width; 8MM Belt Pitch; 8M-21 Poly Chain GT2 Belt Style; 31 Teeth; 23.368MM Face Width; Bushed; 84.531MM Flange OD; 77.343MM OD; 78.943MM Pitch Diam; Keyway; 12.7 To 31.75MM Bushing Bore Range; 1210 Bushing; No Minimum Plain Bore
Outside Diameter
3.045 Inch | 77.343 Millimeter
Belt Width
0.827 Inch | 21 Millimeter
Bushing Bore Range
1/2 To 1-1/4 Inch | 12.7 To 31.75 Millimeter
Face Width
0.92 Inch | 23.368 Millimeter
Pitch Diameter
3.108 Inch | 78.943 Millimeter
Bore
0 Inch | 0 Millimeter
Flange Outside Diameter
3.328 Inch | 84.531 Millimeter

These items are similar to the one you've selected.
You can uncheck any attribute to search for other items which vary in relation to that attribute.

Find alternatives

Refresh

© copyright 2025 BDI All Rights Reserved