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 
 

67 Items found

Refine by

Current selections:
Category: Chain Drives
Outside Diameter - Inch: 3.4375 - 3.59375
categories
brand
chain size
hub type
mounting method
number of teeth
mm in outside diameter
-

INDICATES Contract Pricing

Page 1 of 14

Next

Compare
40BS20 3/4

COMPARE

40BS20 3/4

Description
40BS20 3/4 ROLLER CHAIN SPROCKET ; 1/2" P 20T 3/4" BORE

MARTIN SPROCKET & GR

Part # 40BS20 3/4

BDI # 619638

Features

Chain Pitch - Inch: 0.5
Chain Size: 40
Pitch Diameter - Inch: 3.196
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.457
Other Features: With 2 Set Screw
Global Part Number GPN: 32607
Pitch Diameter - Millimeter: 81.18
Mounting Method: Finished Bore

Price Inventory : In stock
$ 25.14 / each QTY
50BS16 1 1/4

COMPARE

50BS16 1 1/4

Description
50BS16 1 1/4 ROLLER CHAIN SPROCKET ; 5/8" P 16T 1-1/4" BORE

MARTIN SPROCKET & GR

Part # 50BS16 1 1/4

BDI # 621311

Features

Chain Pitch - Inch: 0.625
Chain Size: 50
Pitch Diameter - Inch: 3.204
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.517
Other Features: With 2 Set Screw
Global Part Number GPN: 34004
Pitch Diameter - Millimeter: 81.37
Mounting Method: Finished Bore

Price Inventory : In stock
$ 23.16 / each QTY
40BS20 5/8

COMPARE

40BS20 5/8

Description
40BS20 5/8 ROLLER CHAIN SPROCKET ; 1/2" P 20T 5/8" BORE

MARTIN SPROCKET & GR

Part # 40BS20 5/8

BDI # 619639

Features

Chain Pitch - Inch: 0.5
Chain Size: 40
Pitch Diameter - Inch: 3.196
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.457
Other Features: With 2 Set Screw
Global Part Number GPN: 32429
Pitch Diameter - Millimeter: 81.18
Mounting Method: Finished Bore

Price Inventory : In stock
$ 21.52 / each QTY
50BS16 1 1/8

COMPARE

50BS16 1 1/8

Description
50BS16 1 1/8 ROLLER CHAIN SPROCKET ; 5/8" P 16T 1-1/8" BORE

MARTIN SPROCKET & GR

Part # 50BS16 1 1/8

BDI # 621312

Features

Chain Pitch - Inch: 0.625
Chain Size: 50
Pitch Diameter - Inch: 3.204
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.517
Other Features: With 2 Set Screw
Global Part Number GPN: 33457
Pitch Diameter - Millimeter: 81.37
Mounting Method: Finished Bore

Price Inventory : In stock
$ 23.16 / each QTY
60BS13HT 1 1/8

COMPARE

60BS13HT 1 1/8

Description
60BS13HT 1 1/8 ROLLER CHAIN SPROCKET ; 3/4" P 13T HT 1-1/8" BORE

MARTIN SPROCKET & GR

Part # 60BS13HT 1 1/8

BDI # 622740

Features

Chain Pitch - Inch: 0.75
Chain Size: 60
Pitch Diameter - Inch: 3.134
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.493
Other Features: With 2 Set Screw
Global Part Number GPN: 33530
Pitch Diameter - Millimeter: 79.6
Mounting Method: Finished Bore

Price Inventory : In stock
$ 32.33 / each QTY

© copyright 2025 BDI All Rights Reserved