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 
 

3939-B4-1 https://www.bdiexpress.com/medias/INDUSTCHNXXX-1-COT-CNVR-STR-300x300.jpg?context=bWFzdGVyfHJvb3R8OTc4NHxpbWFnZS9qcGVnfGFHVTRMMmd3T0M4NU9UUTROemc0TURZME1qZzJMMGxPUkZWVFZFTklUbGhZV0Y4eFgwTlBWRjlEVGxaU1gxTlVVbDh6TURCNE16QXdMbXB3Wnd8OTY1Y2IxMGY5OGIwZmMyMzhiYzVjNTY0NTQ4MmJlNTQwNWMzMGNiYzJhYjMzZDk0NjMyMDdiMmI2Y2ExOTQ1NQ
Back to search results
904851 Roller Chains 

TSUBAKI TSUBAKI

3939-B4-1

Description

3939-B4 ; 3939-B4 RIV

Roller Chain; 3939 Chain Size; Cottered; 8" Chain Pitch; Conveyor Chain Series; 1 Strand; Carbon Steel; ANSI; 29/32" Roller Diameter; 1-1/8" Roller Width; 5/32" Plate Thickness; 1-1/8" Plate Height; Straight; 9/32" Pin Diameter

Part #

3939-B4-1

BDI #
904851

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

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
Roller Chains
Brand
TSUBAKI
Manufacturer Name
TSUBAKI
Minimum Buy Quantity
N/A
UNSPSC
31151603
Weight / Kilogram
0
Product Group - BDI
M02310
Chain Size
3939
Basic Construction
Cottered
Component
Chain
Chain Series
Conveyor
Number of Strands
1
Material
Carbon Steel
Internal Special Features
No
Chain Type
ANSI
Price Unit
FT
Order in Multiples of
1
Minimum Order Quantity
1
Roller Material
Carbon Steel
Plate Shape
Straight
Inch - Metric
Inch
Category - BDI
Chain
Harmonized Tariff Code
7315.12.00.80
Noun
Chain
Keyword String
Conveying
Manufacturer URL
https://www.ustsubaki.com
Long Description
Roller Chain; 3939 Chain Size; Cottered; 8" Chain Pitch; Conveyor Chain Series; 1 Strand; Carbon Steel; ANSI; 29/32" Roller Diameter; 1-1/8" Roller Width; 5/32" Plate Thickness; 1-1/8" Plate Height; Straight; 9/32" Pin Diameter
Pin Diameter
0.281 Inch | 7.137 Millimeter
Plate Height
1.125 Inch | 28.575 Millimeter
Chain Pitch
8 Inch | 203.2 Millimeter
Plate Thickness
0.156 Inch | 3.962 Millimeter
Roller Diameter
0.906 Inch | 23.012 Millimeter
Roller Width
1.125 Inch | 28.575 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