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 
 

85 Items found

Refine by

Current selections:
Category: Shaft Couplings
Bore - Inch: 3.938
categories
brand
hub type
mm in outside diameter
-
mounting method
number of teeth
mm in width
-
Need help?
905-238-3392 Distribution Center  | 

INDICATES Contract Pricing

Page 1 of 17

Next

Compare
12018 3 15/16

COMPARE

12018 3 15/16

Description
12018 3 15/16 CHAIN COUPLING HUB ; 120 CHAIN 18 TEETH

MARTIN SPROCKET & GR

Part # 12018 3 15/16

BDI # 615217

Features

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 9.41

Length Thru Bore - Millimeter: 88.9
Other Features: Components May or May Not Intermix Among Brands | Hardened Teeth | Set Screw
Hub Diameter - Millimeter: 171.45
Hub Diameter - Inch: 6.75
Coupling Type: Chain Coupling

Price Inventory : Available to order
QTY
1030GFLEXHUB 3.9375 SS 1X1/2KW NR0788526

COMPARE

1030GFLEXHUB 3.9375 SS 1X1/2KW NR0788526

Description
1030GFLEXHUB 3.9375 SS 1X1/2KW NR0788526 ; POR

FALK

Part # 4400210

BDI # 18104716

Features

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Steel
Length Thru Bore - Millimeter: 91.186

Other Features: Components May or May Not Intermix Among Brands | Flexible
Hub Diameter - Millimeter: 152.4
Hub Diameter - Inch: 6
Coupling Type: Gear Coupling
Torque: 107100In-Lbs

Price Inventory : Available to order
QTY
1100T HUB 3.935 1X1/2KW NR 0744026

COMPARE

1100T HUB 3.935 1X1/2KW NR 0744026

Description
1100T HUB 3.935 1X1/2KW ; NR 0744026

FALK

Part # 4300365

BDI # 18106193

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
13S 3-15/16

COMPARE

13S 3-15/16

Description
13S 3-15/16 COUPLING HUB

TB WOODS

Part # 13S31516

BDI # 985865

Features

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Cast Iron
Outside Diameter - Inch: 11.75

Length Thru Bore - Millimeter: 111.125
Other Features: Components May or May Not Intermix Among Brands | SURE-FLEX | Type S
Hub Diameter - Millimeter: 171.45
Coupling Type: Elastomeric Coupling
Torque: EPDM/Neoprene 11350 | Hytrel 47268In-Lbs

Price Inventory : Available to order
QTY
12S 3 15/16

COMPARE

12S 3 15/16

Description
12S 3 15/16 SLEEVE COUPLING FLANGE ; 3-15/16" BORE 10" HUB OD 4" LTB

MARTIN SPROCKET & GR

Part # 12S 3 15/16

BDI # 21976660

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
Hub Diameter - Millimeter: 146.05
Coupling Type: Elastomeric Coupling
Torque: TPR 7200 | Hytrel 31500In-Lbs

Price Inventory : Available to order
QTY

© copyright 2026 BDI All Rights Reserved