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 
 

485 Items found

Refine by

Current selections:
Category: Mechanical Power Transmission
Text Search: poly chain
Outside Diameter - Inch: 4.375 - 4.53125
categories
brand
mm in outside diameter
-
mm in bore
-
mounting method
number of teeth
chain size
hub type
bushing size
belt pitch
belt series
number of grooves
mm in width
-
Need help?
833-505-2801 BDIEXPRESS Direct  | 

INDICATES Contract Pricing

Page 1 of 97

Next

Compare
8MX-45S-36

COMPARE

8MX-45S-36

Description
8MX-45S-36 SYNCHRONOUS PULLEY ; 36MM WIDE 8MM PITCH 45T

GATES

Part # 77183045

BDI # 1117439

Features

Pitch Diameter - Inch: 4.511
Flange Outside Diameter - Millimeter: 124.714
Other Features: Bushing Not Included | Taper Bushing | Solid Style | Type AF1
Inch - Metric: Metric
Outside Diameter - Inch: 4.448

Face Width - Millimeter: 40.132
Face Width - Inch: 1.58
Belt Pitch: 8 MM
Pitch Diameter - Millimeter: 114.579
Mounting Method: Bushed

Price Inventory : In stock
QTY
P72-5MGT-15

COMPARE

P72-5MGT-15

Description
P72-5MGT-15 SYNCHRONOUS PULLEY ; 15MM BELT WID 5MM BELT PIT 5M-15

GATES

Part # 77091072

BDI # 1125880

Features

Pitch Diameter - Inch: 4.511
Flange Outside Diameter - Millimeter: 118.618
Other Features: Bushing Not Included | Taper Bushing | Solid Style | Type BF1
Inch - Metric: Metric
Outside Diameter - Inch: 4.466

Face Width - Millimeter: 17.526
Face Width - Inch: 0.69
Belt Pitch: 5 MM
Pitch Diameter - Millimeter: 114.579
Mounting Method: Bushed

Price Inventory : In stock
QTY
8MX-45S-21

COMPARE

8MX-45S-21

Description
8MX-45S-21 SYNCHRONOUS PULLEY ; 21MM BELT W 8MM BELT PIT 8M-21

GATES

Part # 77182045

BDI # 1117438

Features

Pitch Diameter - Inch: 4.511
Flange Outside Diameter - Millimeter: 124.714
Other Features: Bushing Not Included | Taper Bushing | Solid Style | Type AF1
Inch - Metric: Metric
Outside Diameter - Inch: 4.448

Face Width - Millimeter: 24.638
Face Width - Inch: 0.97
Belt Pitch: 8 MM
Pitch Diameter - Millimeter: 114.579
Mounting Method: Bushed

Price Inventory : In stock
QTY
35BS35 1

COMPARE

35BS35 1

Description
35BS35 1 ROLLER CHAIN SPROCKET ; 3/8" P 35T 1" BORE

MARTIN SPROCKET & GR

Part # 35BS35 1

BDI # 618790

Features

Chain Pitch - Inch: 0.375
Pitch Diameter - Inch: 4.184
Inch - Metric: Inch
Outside Diameter - Inch: 4.392
Chain Size: 35

Material: Steel
Other Features: 2 Set Screws
Global Part Number GPN: 33028
Pitch Diameter - Millimeter: 106.274
Mounting Method: Finished Bore

Price Inventory : In stock
QTY
50BS21HT 3/4

COMPARE

50BS21HT 3/4

Description
50BS21HT 3/4 ROLLER CHAIN SPROCKET ; BORE TO SIZE HARDENED TEETH

MARTIN SPROCKET & GR

Part # 50BS21HT 3/4

BDI # 621431

Features

Chain Pitch - Inch: 0.625
Pitch Diameter - Inch: 4.194
Inch - Metric: Inch
Outside Diameter - Inch: 4.522
Chain Size: 50

Material: Steel
Other Features: 2 Set Screws
Global Part Number GPN: 32740
Pitch Diameter - Millimeter: 106.52
Mounting Method: Finished Bore

Price Inventory : In stock
QTY

© copyright 2025 BDI All Rights Reserved