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 
 

315 Items found

Refine by

Current selections:
Category: Shaft Couplings
Bore - Inch: 3.75 - 3.90625
categories
brand
mm in bore
-
hub type
mm in outside diameter
-
mounting method
Need help?
905-238-3392 Distribution Center  | 

INDICATES Contract Pricing

Page 1 of 63

Next

Compare
1100T-HUB3 3/4

COMPARE

1100T-HUB3 3/4

Description
1100T-HUB3 3/4 COUPLING HUB ; BLUE-FLEX GRID BS KWY 2 SS

MARTIN SPROCKET & GR

Part # 1100T-HUB3 3/4

BDI # 24658527

Features

Bore Profile: Finished Bore
Component: Hub
Flange Outside Diameter - Millimeter: 190
Inch - Metric: Inch
Material: Steel

Length Thru Bore - Millimeter: 120.65
Other Features: Components May or May Not Intermix Among Brands
Hub Diameter - Millimeter: 141.986
Coupling Type: Grid Coupling
Torque: 55550In-Lbs

Price Inventory : Available to order
QTY
OMEGA 70 HCB X 3.875

COMPARE

OMEGA 70 HCB X 3.875

Description
OMEGA 70 HCB X 3.875 COUPLING HUB

REXNORD

Part # 10318150

BDI # 21917996

Features

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 9.25

Length Thru Bore - Millimeter: 91.948
Other Features: Components May or May Not Intermix Among Brands
Hub Diameter - Millimeter: 177.8
Coupling Type: Elastomeric Coupling
Torque: 22125In-Lbs

Price Inventory : Available to order
QTY
RAPTOR 80HCB 3-7/8IN

COMPARE

RAPTOR 80HCB 3-7/8IN

Description
RAPTOR 80HCB 3-7/8IN ; POR FINISH BORE RAPTOR COUPLING HUB

DODGE

Part # 015903

BDI # 20492827

Features

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Ductile Iron
Outside Diameter - Inch: 11.25

Length Thru Bore - Millimeter: 123.698
Other Features: Components May or May Not Intermix Among Brands | Tire Style | Interference Shaft Fit | 2 Set Screws
Hub Diameter - Millimeter: 241.046
Coupling Type: Elastomeric Coupling
Torque: 39503In-Lbs

Price Inventory : Available to order
QTY
50R HSB 3.750IN WRAPFLEX 794094

COMPARE

50R HSB 3.750IN WRAPFLEX 794094

Description
50R HSB 3.750IN WRAPFLEX 794094 ; COUPLING HUB

REXNORD

Part # 10057851

BDI # 24118787

Features

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 7.48

Length Thru Bore - Millimeter: 189.992
Hub Diameter - Millimeter: 178.054
Hub Diameter - Inch: 7.01
Coupling Type: Elastomeric Coupling
Torque: 22200In-Lbs

Price Inventory : Available to order
QTY
12S 3-7/8

COMPARE

12S 3-7/8

Description
12S 3-7/8 COUPLING HUB

TB WOODS

Part # 12S378

BDI # 991533

Features

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Cast Iron
Outside Diameter - Inch: 10

Length Thru Bore - Millimeter: 101.6
Other Features: Components May or May Not Intermix Among Brands | SURE-FLEX | Type S
Hub Diameter - Millimeter: 146.05
Coupling Type: Elastomeric Coupling
Torque: EPDM/Neoprene 7200 | Hytrel/Urethane 31500In-Lbs

Price Inventory : Available to order
QTY

© copyright 2026 BDI All Rights Reserved