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 
 

139 Items found

Refine by

Current selections:
Category: Mechanical Power Transmission
Text Search: sprocket
Outside Diameter - Inch: 3.618
categories
brand
chain size
hub type
mounting method
Need help?
905-238-3392 Distribution Center  | 

INDICATES Contract Pricing

Page 1 of 28

Next

Compare
H40H21

COMPARE

H40H21

Description
H40H21 ROLLER CHAIN SPROCKET ; NON-RETURNABLE SPLIT TAPER

BROWNING

Part # 1177013

BDI # 327775

Features

Chain Pitch - Inch: 0.5
Chain Size: 40
Pitch Diameter - Inch: 3.355
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.618
Other Features: Bushing Sold Separately | Bushing Not Included | Split Taper Bushing
Global Part Number GPN: 10185
Pitch Diameter - Millimeter: 85.21
Mounting Method: Bushed

Price Inventory : In stock
QTY
41A21

COMPARE

41A21

Description
41A21 ROLLER CHAIN SPROCKET ; A PLATE

MARTIN SPROCKET & GR

Part # 41A21

BDI # 620443

Features

Chain Pitch - Inch: 0.5
Chain Size: 41
Chain Pitch - Millimeter: 12.7
Pitch Diameter - Inch: 3.355
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 3.618
Global Part Number GPN: 31690
Pitch Diameter - Millimeter: 85.21
Mounting Method: Rough Bore

Price Inventory : Available to order
QTY
D40P21H

COMPARE

D40P21H

Description
D40P21H ROLLER CHAIN SPROCKET ; MST DOUBLE STRAND

MARTIN SPROCKET & GR

Part # D40P21H

BDI # 607780

Features

Chain Pitch - Inch: 0.5
Chain Size: 40-2
Pitch Diameter - Inch: 3.355
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.618
Other Features: Bushing Sold Separately | Bushing Not Included | Split Taper Bushing
Global Part Number GPN: 571193
Pitch Diameter - Millimeter: 85.21
Mounting Method: Bushed

Price Inventory : Available to order
QTY
DS40H21H

COMPARE

DS40H21H

Description
DS40H21H ROLLER CHAIN SPROCKET ; BUSHED 40 CHAIN 21T B-DOUBLE SINGLE

MARTIN SPROCKET & GR

Part # DS40H21H

BDI # 607038

Features

Chain Pitch - Inch: 0.5
Chain Size: 40
Pitch Diameter - Inch: 3.355
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.618
Other Features: Bushing Sold Separately | Bushing Not Included | Split Taper Bushing
Global Part Number GPN: 571860
Pitch Diameter - Millimeter: 85.21
Mounting Method: Bushed

Price Inventory : Available to order
QTY
41BS21 3/4

COMPARE

41BS21 3/4

Description
41BS21 3/4 ROLLER CHAIN SPROCKET ; BORE TO SIZE FINISHED BORE

MARTIN SPROCKET & GR

Part # 41BS21 3/4

BDI # 620517

Features

Chain Pitch - Inch: 0.5
Chain Size: 41
Pitch Diameter - Inch: 3.355
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 3.618
Other Features: With 2 Set Screw
Global Part Number GPN: 32685
Pitch Diameter - Millimeter: 85.21
Mounting Method: Finished Bore

Price Inventory : Available to order
QTY

© copyright 2026 BDI All Rights Reserved