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 
 

21H100 https://www.bdiexpress.com/medias/INDXXXPULLEY-SYNC-H-FL-300x300.jpg?context=bWFzdGVyfHJvb3R8MjM5ODJ8aW1hZ2UvanBlZ3xhRGxpTDJoaE9TODVPVFEwTVRjNE56VXpOVFkyTDBsT1JGaFlXRkJWVEV4RldWOVRXVTVEWDBoZlJreGZNekF3ZURNd01DNXFjR2N8YjQzNGUwODQ4MzQ2NTliMjE0MTViZDYxOTdjYjA0NWIxNGNkMzdjNjlkZTJkYWM5MGI1MmFhNjRlOWIyMmQ0Mg
617615 Pulleys - Synchronous 

MARTIN SPROCKET & GR MARTIN SPROCKET & GR

21H100

Description

21H100 SYNCHRONOUS BELT PULLEY ; QD BUSH TYPE

Synchronous Pulley; 1" Belt Width; 1/2 Inch Belt Pitch; H Belt Style; 21 Teeth; 1-5/16" Face Width; Rough Bore; 3-9/16" Flange OD; 3.288" Outside Diameter; 3.342" Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore; 1-11/16

Part #

21H100

BDI #
617615

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Details

71.3893 USD 2099-12-31 http://schema.org/NewCondition https://schema.org/LimitedAvailability Your Price $ 71.39 / each
$ 93.82 / each BDIExpress
QTY

Inventory

Total: Available to order

Category
Pulleys - Synchronous
Brand
MARTIN SPROCKET & GR
Manufacturer Name
MARTIN SPROCKET & GEAR
Minimum Buy Quantity
N/A
Weight / Kilogram
1.725
EAN
0697950151335
Product Group - BDI
M02316
Belt Pitch
1/2 Inch
Belt Style
H
Number of Teeth
21
Mounting Method
Rough Bore
Flanges
Yes
Keyway Yes/No
No
Bushing Size
No Bushing
Minimum Plain Bore
Yes
Max Bore
1.688
Other Features
Solid Style
Inch - Metric
Inch
Category - BDI
Pulley Synchronous
Harmonized Tariff Code
8483.50.90.80
Noun
Pulley
Keyword String
Synchronous
Manufacturer URL
http://www.martinsprocket.com
Manufacturer Item Number
21H100
Weight / LBS
3.8
Long Description
Synchronous Pulley; 1" Belt Width; 1/2 Inch Belt Pitch; H Belt Style; 21 Teeth; 1-5/16" Face Width; Rough Bore; 3-9/16" Flange OD; 3.288" Outside Diameter; 3.342" Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore; 1-11/16
Flange Outside Diameter
3.563 Inch | 90.5 Millimeter
Bore
0 Inch | 0 Millimeter
Belt Width
1 Inch | 25.4 Millimeter
Pitch Diameter
3.342 Inch | 84.89 Millimeter
Face Width
1.313 Inch | 33.35 Millimeter
Outside Diameter
3.288 Inch | 83.52 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