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 
 

295 Items found

Refine by

Current selections:
Category: Mechanical Power Transmission
Outside Diameter - Inch: 4.321
categories
brand
chain size
hub type
mounting method
Need help?
833-505-2801 BDIEXPRESS Direct  | 

INDICATES Contract Pricing

Page 1 of 59

Next

Compare
50BS20 1 1/8

COMPARE

50BS20 1 1/8

Description
50BS20 1 1/8 ROLLER CHAIN SPROCKET ; 5/8" P 20T 1-1/8" BORE

MARTIN SPROCKET & GR

Part # 50BS20 1 1/8

BDI # 621398

Features

Chain Pitch - Inch: 0.625
Pitch Diameter - Inch: 3.995
Inch - Metric: Inch
Outside Diameter - Inch: 4.321
Chain Size: 50

Material: Steel
Other Features: 2 Set Screws
Global Part Number GPN: 33469
Pitch Diameter - Millimeter: 101.48
Mounting Method: Finished Bore

Price Inventory : In stock
QTY
50BS20 1 1/4

COMPARE

50BS20 1 1/4

Description
50BS20 1 1/4 ROLLER CHAIN SPROCKET ; 5/8" P 20T 1-1/4" BORE

MARTIN SPROCKET & GR

Part # 50BS20 1 1/4

BDI # 621397

Features

Chain Pitch - Inch: 0.625
Pitch Diameter - Inch: 3.995
Inch - Metric: Inch
Outside Diameter - Inch: 4.321
Chain Size: 50

Material: Steel
Other Features: 2 Set Screws
Global Part Number GPN: 34016
Pitch Diameter - Millimeter: 101.48
Mounting Method: Finished Bore

Price Inventory : In stock
QTY
50BTB20H

COMPARE

50BTB20H

Description
50BTB20H ROLLER CHAIN SPROCKET ; 5/8" P 20T HT BORE FOR 1610 BUSHING

MARTIN SPROCKET & GR

Part # 50BTB20H

BDI # 621905

Features

Chain Pitch - Inch: 0.625
Pitch Diameter - Inch: 3.995
Inch - Metric: Inch
Outside Diameter - Inch: 4.321
Chain Size: 50

Material: Steel
Other Features: Taper Bushing
Global Part Number GPN: 32131
Pitch Diameter - Millimeter: 101.48
Mounting Method: Bushed

Price Inventory : In stock
QTY
50BTB20

COMPARE

50BTB20

Description
50BTB20 ROLLER CHAIN SPROCKET ; 5/8" P 20T BORE FOR 1610 BUSHING

MARTIN SPROCKET & GR

Part # 50BTB20

BDI # 621904

Features

Chain Pitch - Inch: 0.625
Pitch Diameter - Inch: 3.995
Inch - Metric: Inch
Outside Diameter - Inch: 4.321
Chain Size: 50

Material: Steel
Other Features: Taper Bushing
Global Part Number GPN: 32130
Pitch Diameter - Millimeter: 101.48
Mounting Method: Bushed

Price Inventory : In stock
QTY
50B20

COMPARE

50B20

Description
50B20 ROLLER CHAIN SPROCKET ; 5/8" P 20T 3/4" MIN PLAIN BORE

MARTIN SPROCKET & GR

Part # 50B20

BDI # 621959

Features

Chain Pitch - Inch: 0.625
Chain Pitch - Millimeter: 15.88
Pitch Diameter - Inch: 3.995
Inch - Metric: Inch
Outside Diameter - Inch: 4.321

Chain Size: 50
Material: Steel
Global Part Number GPN: 36247
Pitch Diameter - Millimeter: 101.48
Mounting Method: Rough Bore

Price Inventory : In stock
QTY

© copyright 2025 BDI All Rights Reserved