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 
 

386 Items found

Refine by

Current selections:
Category: Mechanical Power Transmission
Text Search: poly chain
Outside Diameter - Millimeter: 128.125 - 131.25
categories
brand
mm in outside diameter
-
mm in bore
-
chain size
hub type
mounting method
number of teeth
mm in width
-
Need help?
833-505-2801 BDIEXPRESS Direct  | 

INDICATES Contract Pricing

Page 1 of 78

Next

Compare
SIZE 50 CHAIN CPLG COVER ASSY

COMPARE

SIZE 50 CHAIN CPLG COVER ASSY

Description
SIZE 50 CHAIN CPLG COVER ASSY ; ALUMINUM 5-1/8" OD 2-3/8" WID

DODGE

Part # 099027

BDI # 251499

Features

Component: Cover
Width - Millimeter: 60.325
Inch - Metric: Inch
Material: Aluminum
Outside Diameter - Inch: 5.125

Outside Diameter - Millimeter: 130.175
Other Features: Components May or May Not Intermix Among Brands
Coupling Type: Chain Coupling
Width - Inch: 2.375

Price Inventory : In stock
QTY
40BS30 1

COMPARE

40BS30 1

Description
40BS30 1 ROLLER CHAIN SPROCKET ; 1/2" P 30T 1" BORE

MARTIN SPROCKET & GR

Part # 40BS30 1

BDI # 619800

Features

Chain Pitch - Inch: 0.5
Chain Size: 40
Pitch Diameter - Inch: 4.783
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 5.057
Other Features: With 2 Set Screw
Global Part Number GPN: 33088
Pitch Diameter - Millimeter: 121.5
Mounting Method: Finished Bore

Price Inventory : In stock
QTY
40BS30 3/4

COMPARE

40BS30 3/4

Description
40BS30 3/4 ROLLER CHAIN SPROCKET ; 1/2" P 30T 3/4" BORE

MARTIN SPROCKET & GR

Part # 40BS30 3/4

BDI # 619806

Features

Chain Pitch - Inch: 0.5
Chain Size: 40
Pitch Diameter - Inch: 4.783
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 5.057
Other Features: With 2 Set Screw
Global Part Number GPN: 32630
Pitch Diameter - Millimeter: 121.5
Mounting Method: Finished Bore

Price Inventory : In stock
QTY
50BS24 1 1/2

COMPARE

50BS24 1 1/2

Description
50BS24 1 1/2 ROLLER CHAIN SPROCKET ; 5/8" P 24T 1-1/2" BORE

MARTIN SPROCKET & GR

Part # 50BS24 1 1/2

BDI # 621467

Features

Chain Pitch - Inch: 0.625
Chain Size: 50
Pitch Diameter - Inch: 4.788
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 5.123
Other Features: With 2 Set Screw
Global Part Number GPN: 34796
Pitch Diameter - Millimeter: 121.62
Mounting Method: Finished Bore

Price Inventory : In stock
QTY
50BTB24

COMPARE

50BTB24

Description
50BTB24 ROLLER CHAIN SPROCKET ; 5/8" P 24T BORE FOR 2012 BUSHING

MARTIN SPROCKET & GR

Part # 50BTB24

BDI # 621912

Features

Chain Pitch - Inch: 0.625
Chain Size: 50
Pitch Diameter - Inch: 4.788
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 5.123
Other Features: Bushing Sold Separately | Bushing Not Included | Taper Lock Bushing
Global Part Number GPN: 32138
Pitch Diameter - Millimeter: 121.62
Mounting Method: Bushed

Price Inventory : In stock
QTY

© copyright 2026 BDI All Rights Reserved