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 
 

F8MX140S21-SF https://www.bdiexpress.com/medias/INDM-GPULLEY-SYNC-WEB-NFL-QD-300x300.jpg?context=bWFzdGVyfHJvb3R8MjAyMzd8aW1hZ2UvanBlZ3xhRGRpTDJnM1ppODVPRGswTnpJMk9EWXdPRE13TDBsT1JFMHRSMUJWVEV4RldWOVRXVTVEWDFkRlFsOU9Sa3hmVVVSZk16QXdlRE13TUM1cWNHY3xhMjYwYTE5MjlhMTNjOTBiNGMxY2E5MjE5YmJkZDQyN2QwYWE1ZTI1ZDZlNjg4MTcxMWZjMGFmNmRmNjcyZThm
21979074 Pulleys - Synchronous 

MARTIN SPROCKET & GR MARTIN SPROCKET & GR

F8MX140S21-SF

Description

F8MX140S21-SF SYNCHRONOUS BELT PULLEY ; 8MMP 140T 14.03" PD 21MMW BORED SF BUSH

Synchronous Pulley; 21MM Belt Width; 8 MM Belt Pitch; 8M-21 Belt Style; 140 Teeth; 1.2MM Face Width; Bushed; 13.973MM Outside Diameter; 14.036MM Pitch Diameter; Yes Keyway; SF Bushing; No Minimum Plain Bore

Part #

F8MX140S21-SF

BDI #
21979074

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
MARTIN SPROCKET & GR
Manufacturer Name
MARTIN SPROCKET & GEAR
Minimum Buy Quantity
N/A
EAN
0697950723938
Weight / US pound
25
Product Group - BDI
M02316
Belt Pitch
8 MM
Belt Style
8M-21
Number of Teeth
140
Mounting Method
Bushed
Flanges
No
Keyway Yes/No
Yes
Bushing Size
SF
Minimum Plain Bore
No
Other Features
Bushing Not Included | QD Bushing
Inch - Metric
Metric
Category - BDI
Pulley Synchronous
Harmonized Tariff Code
8483.50.90.80
Noun
Pulley
Keyword String
Synchronous
Manufacturer URL
https://www.martinsprocket.com
Weight / LBS
25
Long Description
Synchronous Pulley; 21MM Belt Width; 8 MM Belt Pitch; 8M-21 Belt Style; 140 Teeth; 1.2MM Face Width; Bushed; 13.973MM Outside Diameter; 14.036MM Pitch Diameter; Yes Keyway; SF Bushing; No Minimum Plain Bore
Face Width
0.047 Inch | 1.2 Millimeter
Bore
0 Inch | 0 Millimeter
Pitch Diameter
0.553 Inch | 14.036 Millimeter
Belt Width
0.827 Inch | 21 Millimeter
Bushing Bore Range
1/2 To 2-15/16 Inch | 28 To 60 Millimeter
Outside Diameter
0.55 Inch | 13.973 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