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 
 

49 Items found

Refine by

Current selections:
Category: Mechanical Power Transmission
Number of Teeth: 25
categories
brand
mounting method
mm in outside diameter
-
chain size
hub type
belt pitch
bushing size
pitch
pressure angle
tooth profile

INDICATES Contract Pricing

Page 1 of 10

Next

Compare
40B25

COMPARE

40B25

Description
40B25 ROLLER CHAIN SPROCKET ; 1/2" P 25T 5/8" MIN PLAIN BORE

MARTIN SPROCKET & GR

Part # 40B25

BDI # 620186

Features

Chain Pitch - Inch: 0.5
Chain Size: 40
Chain Pitch - Millimeter: 12.7
Pitch Diameter - Inch: 3.989
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 4.258
Global Part Number GPN: 36154
Pitch Diameter - Millimeter: 101.33
Mounting Method: Rough Bore

Price Inventory : In stock
$ 26.36 / each QTY
PB8MX-25S-21

COMPARE

PB8MX-25S-21

Description
PB8MX-25S-21 SYNCHRONOUS PULLEY ; 21MM BELT W 8MM BELT PIT 8M-21

GATES

Part # 77152025

BDI # 1126079

Features

Pitch Diameter - Inch: 2.506
Flange Outside Diameter - Millimeter: 73.914
Inch - Metric: Metric
Outside Diameter - Inch: 2.443
Face Width - Millimeter: 23.368

Face Width - Inch: 0.92
Belt Pitch: 8 MM
Other Features: Solid Style | Type 6F1
Pitch Diameter - Millimeter: 63.652
Mounting Method: Rough Bore

Price Inventory : In stock
$ 102.81 / each QTY
PB8MX-25S-36

COMPARE

PB8MX-25S-36

Description
PB8MX-25S-36 SYNCHRONOUS PULLEY ; 36MM BELT W 8MM BELT PITCH

GATES

Part # 77153025

BDI # 1126080

Features

Pitch Diameter - Inch: 2.506
Flange Outside Diameter - Millimeter: 73.914
Inch - Metric: Metric
Outside Diameter - Inch: 2.443
Face Width - Millimeter: 40.132

Face Width - Inch: 1.58
Belt Pitch: 8 MM
Other Features: Solid Style | Type 6F1
Pitch Diameter - Millimeter: 63.652
Mounting Method: Rough Bore

Price Inventory : In stock
$ 116.55 / each QTY
8MX-25S-21

COMPARE

8MX-25S-21

Description
8MX-25S-21 SYNCHRONOUS PULLEY ; 21MM W 8MM PITCH 25T

GATES

Part # 77182025

BDI # 1117363

Features

Pitch Diameter - Inch: 2.506
Flange Outside Diameter - Millimeter: 73.914
Inch - Metric: Metric
Outside Diameter - Inch: 2.443
Face Width - Millimeter: 23.368

Face Width - Inch: 0.92
Belt Pitch: 8 MM
Other Features: Bushing Sold Separately | Bushing Not Included | Taper Bushing | Solid Style | Type AF1
Pitch Diameter - Millimeter: 63.652
Mounting Method: Bushed

Price Inventory : In stock
$ 102.81 / each QTY
40BTB25

COMPARE

40BTB25

Description
40BTB25 ROLLER CHAIN SPROCKET ; 1/2" 25T BORE FOR 1610 BUSHING

MARTIN SPROCKET & GR

Part # 40BTB25

BDI # 620132

Features

Chain Pitch - Inch: 0.5
Chain Size: 40
Pitch Diameter - Inch: 3.989
Inch - Metric: Inch
Material: Steel

Outside Diameter - Inch: 4.258
Other Features: Bushing Sold Separately | Bushing Not Included | Taper Lock Bushing
Global Part Number GPN: 32064
Pitch Diameter - Millimeter: 101.33
Mounting Method: Bushed

Price Inventory : In stock
$ 50.37 / each QTY

© copyright 2026 BDI All Rights Reserved