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 
 

1,351 Items found

Refine by

Current selections:
Category: Roller Chain Sprockets
Number of Teeth: 12
categories
brand
chain size
hub type
mounting method
mm in outside diameter
-
Need help?
833-505-2801 BDIEXPRESS Direct  | 

INDICATES Contract Pricing

Page 1 of 271

Next

Compare
40B12

COMPARE

40B12

Description
40B12 ROLLER CHAIN SPROCKET ; 1/2" P 12T 1/2" MIN PLAIN BORE

MARTIN SPROCKET & GR

Part # 40B12

BDI # 620159

Features

Chain Pitch - Inch: 0.5
Chain Size: 40
Chain Pitch - Millimeter: 12.7
Pitch Diameter - Inch: 1.932
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 2.166
Global Part Number GPN: 36141
Pitch Diameter - Millimeter: 49.07
Mounting Method: Rough Bore

Price Inventory : In stock
QTY
60BS12 1 1/4

COMPARE

60BS12 1 1/4

Description
60BS12 1 1/4 ROLLER CHAIN SPROCKET ; 3/4" P 12T 1-1/4" BORE

MARTIN SPROCKET & GR

Part # 60BS12 1 1/4

BDI # 622714

Features

Chain Pitch - Inch: 0.75
Chain Size: 60
Pitch Diameter - Inch: 2.898
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.249
Other Features: With 2 Set Screw
Global Part Number GPN: 34075
Pitch Diameter - Millimeter: 73.61
Mounting Method: Finished Bore

Price Inventory : In stock
QTY
35B12

COMPARE

35B12

Description
35B12 ROLLER CHAIN SPROCKET ; 3/8" P 12T 1/2" MIN PLAIN BORE

MARTIN SPROCKET & GR

Part # 35B12

BDI # 618908

Features

Chain Pitch - Inch: 0.375
Chain Size: 35
Chain Pitch - Millimeter: 9.525
Pitch Diameter - Inch: 1.449
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 1.625
Global Part Number GPN: 36104
Pitch Diameter - Millimeter: 36.8
Mounting Method: Rough Bore

Price Inventory : In stock
QTY
50BS12 7/8

COMPARE

50BS12 7/8

Description
50BS12 7/8 ROLLER CHAIN SPROCKET ; 5/8" P 12T 7/8" BORE

MARTIN SPROCKET & GR

Part # 50BS12 7/8

BDI # 621253

Features

Chain Pitch - Inch: 0.625
Chain Size: 50
Pitch Diameter - Inch: 2.415
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 2.708
Other Features: With 2 Set Screw
Global Part Number GPN: 32913
Pitch Diameter - Millimeter: 61.34
Mounting Method: Finished Bore

Price Inventory : In stock
QTY
35B12SS

COMPARE

35B12SS

Description
35B12SS ROLLER CHAIN SPROCKET ; 3/8" P 12T 1/2" MIN PLAIN BORE STAINLESS

MARTIN SPROCKET & GR

Part # 35B12SS

BDI # 618909

Features

Chain Pitch - Inch: 0.375
Chain Size: 35
Chain Pitch - Millimeter: 9.525
Pitch Diameter - Inch: 1.449
Inch - Metric: Inch

Material: Stainless Steel
Outside Diameter - Inch: 1.625
Global Part Number GPN: 36523
Pitch Diameter - Millimeter: 36.8
Mounting Method: Rough Bore

Price Inventory : In stock
QTY

© copyright 2025 BDI All Rights Reserved