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 
 

800-21R1.25-DMS-SS https://www.bdiexpress.com/medias/INDXXXSPKTXX-821S-A-MPL-RND-FB-300x300.jpg?context=bWFzdGVyfHJvb3R8MTgxNDJ8aW1hZ2UvanBlZ3xhREl3TDJoaVlTODRPVFl4TkRBMU5EZzFNRGcyTG1wd1p3fDQxNjdlMjhiNmJmMzZmNzViZWYyMWYwM2UyMWViYTJlOTNhMWFlOTgxY2RmNjcxZGQ1MTJlZTFmNmFlNmI4NTI
Back to search results
336787 Table Top and Modular Sprockets 

SYSTEM PLAST SYSTEM PLAST

800-21R1.25-DMS-SS

Description

800-21R1.25-DMS-SS CONV CHAIN SPROCKET ; TWO PC CHAIN MACHINED NON RETURNABLE

1-1/4" Bore; 821 | 815 H; 1-1/2" Pitch; 21 Teeth; 5.08" Outside Diameter; 5.09" Pitch Diameter; A-No Hub; Finished Bore; Round; Straight Running | Back Flexing; Thermoplastic

Part #

800-21R1.25-DMS-SS

BDI #
336787

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
Table Top and Modular Sprockets
Brand
SYSTEM PLAST
Manufacturer Name
REGAL BELOIT
Minimum Buy Quantity
N/A
Weight / Kilogram
1.021
EAN
0726166189754
Product Group - BDI
M00332
Modular - Flat Top Size
821 | 815 H
Number of Teeth
21
Hub Type
A-No Hub
Mounting Method
Finished Bore
Bore Profile
Round
Modular - Flat Top Type
Straight Running | Back Flexing
Material
Thermoplastic
Grooved Yes or No
No
Split Yes or No
Yes
Keyway Yes/No
Yes
Inch - Metric
Inch
Other Features
Heavy Duty | Machined Sprocket | Stainless Steel Connecting Screw
Category - BDI
Flat Top Sprockets
Harmonized Tariff Code
8483.90.10.50
Noun
Sprocket
Keyword String
Conveying Chain
Manufacturer URL
https://www.regalbeloit.com
Manufacturer Internal Number
12285S
Weight / LBS
2.25
Long Description
1-1/4" Bore; 821 | 815 H; 1-1/2" Pitch; 21 Teeth; 5.08" Outside Diameter; 5.09" Pitch Diameter; A-No Hub; Finished Bore; Round; Straight Running | Back Flexing; Thermoplastic
Bore
1.25 Inch | 31.75 Millimeter
Pitch
1.5 Inch | 38.1 Millimeter
Outside Diameter
5.08 Inch | 129.032 Millimeter
Pitch Diameter
5.09 Inch | 129.286 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