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 
 

257212 https://www.bdiexpress.com/medias/INDXXXHUBXXX-RGDCPLG-FB-300x300.jpg?context=bWFzdGVyfHJvb3R8MTA0MTF8aW1hZ2UvanBlZ3xhRGN6TDJnd05pODVOamMxT1RrME9USXpNRE00TG1wd1p3fGVlZDQwNDQzY2ZlZWZjNmE2NTg4YzcxNTE2NGU0NTlkMzI3YTM0MjgzYjMyYzY1N2RiMTUxMzU2NmQ2NTEwOGM
983690 Rigid Hubs 

TB WOODS TB WOODS

257212

Description

257212 ; 257X2 1/2 COUPLING

2-1/2" Bore; 7-1/8" Outside Diameter; Rigid Coupling; Hub; Shaft; No Flange; Finished Bore; 9-5/8" Length Thru Bore; 257 Size or Series; Compression Mount; No Bushing; Keyway; 2680 Max Speed

Part #

257212

BDI #
983690

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
Rigid Hubs
Brand
TB WOODS
Manufacturer Name
ALTRA INDUSTRIAL MOTION
Minimum Buy Quantity
N/A
UNSPSC
31163009
Weight / Kilogram
24.652
EAN
0698672810296
Product Group - BDI
M02302
Coupling Type
Rigid Coupling
Component
Hub
Hub Type
Shaft
Flange Type
No Flange
Bore Profile
Finished Bore
Coupling Size or Series
257
Mounting Method
Compression Mount
Bushing Size if bushed
No Bushing
Keyway Yes/No
Yes
Maximum Speed RPM
2680
Inch - Metric
Inch
Other Features
Components May or May Not Intermix Among Brands | Ribbed Coupling | 6 Bolt
Category - BDI
Couplings Rigid Hub
Harmonized Tariff Code
8483.90.80.10
Noun
Hub
Keyword String
Coupling Rigid
Manufacturer URL
https://www.regalrexnord.com
Manufacturer Item Number
257212
Manufacturer Internal Number
257212
Weight / LBS
54.3
Long Description
2-1/2" Bore; 7-1/8" Outside Diameter; Rigid Coupling; Hub; Shaft; No Flange; Finished Bore; 9-5/8" Length Thru Bore; 257 Size or Series; Compression Mount; No Bushing; Keyway; 2680 Max Speed
Outside Diameter
7.125 Inch | 180.975 Millimeter
Length Thru Bore
9.625 Inch | 244.475 Millimeter
Bore
2.5 Inch | 63.5 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