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 
 

40BB18H 1/2 https://www.bdiexpress.com/medias/INDM-GSPKTXX-IDLR-BB-STL-1-300x300.jpg?context=bWFzdGVyfHJvb3R8MjAwMDB8aW1hZ2UvanBlZ3xhREV4TDJnMk55ODVPVGd3TURneE5EY3hOVEU0TDBsT1JFMHRSMU5RUzFSWVdGOUpSRXhTWDBKQ1gxTlVURjh4WHpNd01IZ3pNREF1YW5Cbnw0ODZmYmRmNmI0YmM3ODU4NjJlMTk5ZTU2YThhMWZiM2I0NDViNzI2ZTEzYTJhNWExMzFlMmY0N2MyNmJiMTMx
619487 Idler Chain Sprockets 

MARTIN SPROCKET & GR MARTIN SPROCKET & GR

40BB18H 1/2

Description

40BB18H 1/2 IDLER SPROCKET ; 1/2" P 18T HT BALL BRG 1/2" BORE

Roller Chain; 1/2" Bore; 40 Chain Size; 18 Teeth; Ball Bearing; 1/2" Chain Pitch; 1 Row of Teeth; Hardened Teeth; Steel

Part #

40BB18H 1/2

BDI #
619487

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

Details

36.1118 USD 2099-12-31 http://schema.org/NewCondition http://schema.org/InStock Your Price $ 36.11 / each
$ 61.08 / each BDIExpress
QTY

Inventory

Total: 3

Category
Idler Chain Sprockets
Brand
MARTIN SPROCKET & GR
Manufacturer Name
MARTIN SPROCKET & GEAR
Minimum Buy Quantity
N/A
Weight / Kilogram
0.681
EAN
0697950340418
Product Group - BDI
M02342
Chain Size
40
Chain Type
Roller Chain
Number of Teeth
18
Number of Rows of Teeth
1
Hardened Teeth
Yes
Bearing Type
Ball Bearing
Material
Steel
Inch - Metric
Inch
Other Features
0.284 Inch Teeth Width
Category - BDI
Idler Chain Sprockets
Harmonized Tariff Code
8483.40.90.00
Noun
Sprocket
Keyword String
Chain Idler
Manufacturer URL
http://www.martinsprocket.com
Manufacturer Item Number
40BB18H 1/2
Manufacturer Internal Number
40BB18H 1/
Weight / LBS
0.53
Long Description
Roller Chain; 1/2" Bore; 40 Chain Size; 18 Teeth; Ball Bearing; 1/2" Chain Pitch; 1 Row of Teeth; Hardened Teeth; Steel
Length Thru Bore
0.72 Inch | 18.288 Millimeter
Bore
0.5 Inch | 12.7 Millimeter
Chain Pitch
0.5 Inch | 12.7 Millimeter
Outside Diameter
3.14 Inch | 79.756 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