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 
 

180B21 https://www.bdiexpress.com/medias/INDXXXSPKTXX-RC-B-1-STL-300x300.jpg?context=bWFzdGVyfHJvb3R8MjA1MjJ8aW1hZ2UvanBlZ3xhR00wTDJobFlpODVPVGd3TXpjeE5UWTJOakl5TDBsT1JGaFlXRk5RUzFSWVdGOVNRMTlDWHpGZlUxUk1Yek13TUhnek1EQXVhbkJufDBlMmZjZjlhZTk3ZTMzNzUwZGNmOGVmNThlNzc4YjBmMDNkOTJmMDFiNmU4ZDgyZTI0MGZjNzU0MTMwZjQyMmM
616328 Roller Chain Sprockets 

MARTIN SPROCKET & GR MARTIN SPROCKET & GR

180B21

Description

180B21 ROLLER CHAIN SPROCKET ; B & C STYLE-WELDED

180 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 16.279" Outside Dia; 15.096" Pitch Dia; B-Hub One Side; Rough Bore Mount; 2-1/4" Chain Pitch; ANSI Roller Chain Chain Type; No Keyway; Steel Material; 5-3/8" Max Bore

Part #

180B21

BDI #
616328

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Details

706.0753 USD 2099-12-31 http://schema.org/NewCondition https://schema.org/LimitedAvailability Your Price $ 706.08 / each
$ 1,257.97 / each BDIExpress
QTY

Inventory

Total: Available to order

Category
Roller Chain Sprockets
Brand
MARTIN SPROCKET & GR
Manufacturer Name
MARTIN SPROCKET & GEAR
Minimum Buy Quantity
N/A
Weight / Kilogram
37.682
EAN
0697950027920
Product Group - BDI
M02312
Chain Size
180
Number of Teeth
21
Number of Rows of Teeth
1
Hub Type
B-Hub One Side
Mounting Method
Rough Bore
Bushing Size if bushed
No Bushing
Hardened Teeth
No
Chain Type
ANSI Roller Chain
Keyway Yes/No
No
Material
Steel
Max Bore
5.375
Minimum Plain Bore
Yes
Inch - Metric
Inch
Category - BDI
Sprocket
Harmonized Tariff Code
8483.90.10.50
Noun
Sprocket
Keyword String
Roller Chain
Manufacturer URL
http://www.martinsprocket.com
Weight / LBS
83
Long Description
180 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 16.279" Outside Dia; 15.096" Pitch Dia; B-Hub One Side; Rough Bore Mount; 2-1/4" Chain Pitch; ANSI Roller Chain Chain Type; No Keyway; Steel Material; 5-3/8" Max Bore
Outside Diameter
16.279 Inch | 413.487 Millimeter
Pitch Diameter
15.096 Inch | 383.438 Millimeter
Chain Pitch
2.25 Inch | 57.15 Millimeter
Bore
0 Inch | 0 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