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 
 

PB8MX30S21 https://www.bdiexpress.com/medias/INDM-GPULLEY-SYNC-H-SOL-FL-RSB-300x300.jpg?context=bWFzdGVyfHJvb3R8MzEyNTV8aW1hZ2UvanBlZ3xhRFZpTDJobE9TODVPRGswTnprek5qUXlNREUwTDBsT1JFMHRSMUJWVEV4RldWOVRXVTVEWDBoZlUwOU1YMFpNWDFKVFFsOHpNREI0TXpBd0xtcHdad3w5NmRmOTJmY2RiZDY5MjJiZGVkM2E2ZjdhMWY3NjMxOTkyZmE1NDUzMTA0NWI1MTNiOWQ1MWViMWYwYmZjYzEz
21978368 Pulleys - Synchronous 

MARTIN SPROCKET & GR MARTIN SPROCKET & GR

PB8MX30S21

Description

PB8MX30S21 SYNCHRONOUS BELT PULLEY ; 8MM PITCH 30T 3.00" PD 21MM WIDE MPB

Synchronous Pulley; 21MM Belt Width; 8 MM Belt Pitch; 8M-21 Belt Style; 30 Teeth; 0.92MM Face Width; Rough Bore; 2.945MM Outside Diameter; 3.008MM Pitch Diameter; No Keyway; No Bushing; Minimum Plain Bore

Part #

PB8MX30S21

BDI #
21978368

Details

2099-12-31 http://schema.org/NewCondition https://schema.org/LimitedAvailability Your Price Request A Price BDIExpress
QTY

Inventory

Total: Available to order

Category
Pulleys - Synchronous
Brand
MARTIN SPROCKET & GR
Manufacturer Name
MARTIN SPROCKET & GEAR
Minimum Buy Quantity
N/A
EAN
0697950723136
Weight / US pound
2.8
Product Group - BDI
M02316
Belt Pitch
8 MM
Belt Style
8M-21
Number of Teeth
30
Mounting Method
Rough Bore
Flanges
Yes
Keyway Yes/No
No
Bushing Size
No Bushing
Minimum Plain Bore
Yes
Max Bore
1.813
Inch - Metric
Metric
Category - BDI
Pulley Synchronous
Harmonized Tariff Code
8483.50.90.80
Noun
Pulley
Keyword String
Synchronous
Manufacturer URL
https://www.martinsprocket.com
Weight / LBS
2.8
Long Description
Synchronous Pulley; 21MM Belt Width; 8 MM Belt Pitch; 8M-21 Belt Style; 30 Teeth; 0.92MM Face Width; Rough Bore; 2.945MM Outside Diameter; 3.008MM Pitch Diameter; No Keyway; No Bushing; Minimum Plain Bore
Outside Diameter
0.116 Inch | 2.945 Millimeter
Pitch Diameter
0.118 Inch | 3.008 Millimeter
Belt Width
0.827 Inch | 21 Millimeter
Face Width
0.036 Inch | 0.92 Millimeter
Flange Outside Diameter
0.134 Inch | 3.41 Millimeter
Bore
0 Inch | 0 Millimeter

These items are similar to the one you've selected.
You can uncheck any attribute to search for other items which vary in relation to that attribute.

Find alternatives

Refresh

© copyright 2025 BDI All Rights Reserved