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 
 

323 Items found

Refine by

Current selections:
Category: Mechanical Power Transmission
Outside Diameter - Inch: 3.136
categories
brand
chain size
hub type
mounting method
Need help?
833-505-2801 BDIEXPRESS Direct  | 

INDICATES Contract Pricing

Page 1 of 65

Next

Compare
40BTB18

COMPARE

40BTB18

Description
40BTB18 ROLLER CHAIN SPROCKET ; 1/2" 18T BORE FOR 1210 BUSHING

MARTIN SPROCKET & GR

Part # 40BTB18

BDI # 620118

Features

Chain Pitch - Inch: 0.5
Chain Size: 40
Pitch Diameter - Inch: 2.879
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.136
Other Features: Bushing Sold Separately | Bushing Not Included | Taper Lock Bushing
Global Part Number GPN: 32050
Pitch Diameter - Millimeter: 73.127
Mounting Method: Bushed

Price Inventory : In stock
QTY
D40B18H

COMPARE

D40B18H

Description
D40B18H ROLLER CHAIN SPROCKET ; 1/2" P 18T HT DOUBLE 5/8" MIN PLAIN BORE

MARTIN SPROCKET & GR

Part # D40B18H

BDI # 607740

Features

Chain Pitch - Inch: 0.5
Chain Size: 40-2
Pitch Diameter - Inch: 2.879
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.136
Other Features: Duplex Type
Global Part Number GPN: 30595
Pitch Diameter - Millimeter: 73.127
Mounting Method: Rough Bore

Price Inventory : In stock
QTY
H40H18

COMPARE

H40H18

Description
H40H18 ROLLER CHAIN SPROCKET ; NON-RETURNABLE 1/2" P 18T HT BORE

BROWNING

Part # 1176957

BDI # 327772

Features

Chain Pitch - Inch: 0.5
Chain Size: 40
Pitch Diameter - Inch: 2.879
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.136
Other Features: Bushing Sold Separately | Bushing Not Included | Split Taper Bushing
Global Part Number GPN: 10179
Pitch Diameter - Millimeter: 73.127
Mounting Method: Bushed

Price Inventory : In stock
QTY
40BS18 7/8

COMPARE

40BS18 7/8

Description
40BS18 7/8 ROLLER CHAIN SPROCKET ; 1/2" P 18T 7/8" BORE

MARTIN SPROCKET & GR

Part # 40BS18 7/8

BDI # 619600

Features

Chain Pitch - Inch: 0.5
Chain Size: 40
Pitch Diameter - Inch: 2.879
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.136
Other Features: With 2 Set Screw
Global Part Number GPN: 32838
Pitch Diameter - Millimeter: 73.127
Mounting Method: Finished Bore

Price Inventory : In stock
QTY
40BS18 5/8

COMPARE

40BS18 5/8

Description
40BS18 5/8 ROLLER CHAIN SPROCKET ; 1/2" P 18T 5/8" BORE

MARTIN SPROCKET & GR

Part # 40BS18 5/8

BDI # 619599

Features

Chain Pitch - Inch: 0.5
Chain Size: 40
Pitch Diameter - Inch: 2.879
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.136
Other Features: With 2 Set Screw
Global Part Number GPN: 32423
Pitch Diameter - Millimeter: 73.127
Mounting Method: Finished Bore

Price Inventory : In stock
QTY

© copyright 2026 BDI All Rights Reserved