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 
 

5,146 Items found

Refine by

Current selections:
Category: Mechanical Power Transmission
Width - Inch: 4.375 & Under
categories
brand
mm in width
0.0 (152) 0.188 (14) 0.197 (8) 0.138 (1) 0.157 (1) 0.25 (115) 0.281 (83) 0.236 (4) 0.354 (140) 0.313 (138) 0.375 (96) 0.344 (60) 0.315 (16) 0.394 (15) 0.343 (2) 0.438 (154) 0.406 (85) 0.433 (62) 0.472 (18) 0.437 (3) 0.445 (3) 0.46 (2) 0.5 (614) 0.591 (247) 0.563 (241) 0.512 (82) 0.551 (26) 0.55 (3) 0.531 (2) 0.565 (1) 0.625 (231) 0.688 (218) 0.63 (34) 0.672 (3) 0.75 (290) 0.748 (127) 0.709 (22) 0.71 (2) 0.719 (2) 0.708 (1) 0.72 (1) 0.875 (380) 0.813 (43) 0.831 (2) 0.938 (48) 0.91 (3) 0.945 (1) 1.0 (60) 1.063 (9) 1.03 (2) 1.06 (2) 1.062 (1) 1.125 (138) 1.1 (2) 1.12 (2) 1.156 (2) 1.25 (49) 1.234 (1) 1.26 (1) 1.375 (52) 1.38 (2) 1.312 (1) 1.313 (1) 1.438 (36) 1.46 (4) 1.437 (1) 1.469 (1) 1.563 (28) 1.5 (6) 1.53 (4) 1.516 (2) 1.531 (2) 1.562 (1) 1.585 (1) 1.688 (39) 1.625 (3) 1.656 (3) 1.62 (2) 1.65 (2) 1.64 (1) 1.75 (7) 1.781 (3) 1.772 (1) 1.776 (1) 1.875 (87) 1.88 (4) 1.891 (1) 1.96 (6) 1.92 (4) 1.945 (4) 1.9 (2) 1.906 (2) 1.938 (1) 1.969 (1) 1.98 (1) 2.0 (58) 2.04 (5) 2.06 (2) 2.065 (2) 2.063 (1) 2.097 (1) 2.188 (39) 2.125 (19) 2.12 (2) 2.15 (2) 2.156 (1) 2.25 (4) 2.2 (1) 2.375 (39) 2.313 (5) 2.334 (4) 2.34 (3) 2.344 (3) 2.469 (8) 2.4 (6) 2.478 (4) 2.48 (3) 2.44 (2) 2.402 (1) 2.438 (1) 2.457 (1) 2.5 (41) 2.531 (5) 2.54 (4) 2.563 (3) 2.56 (2) 2.565 (2) 2.598 (1) 2.625 (38) 2.62 (9) 2.69 (9) 2.64 (7) 2.66 (5) 2.688 (4) 2.605 (1) 2.677 (1) 2.68 (1) 2.75 (22) 2.74 (1) 2.756 (1) 2.76 (1) 2.82 (3) 2.875 (3) 2.953 (2) 2.94 (1) 3.0 (26) 3.06 (11) 3.071 (3) 3.094 (3) 3.063 (2) 3.065 (2) 3.078 (2) 3.045 (1) 3.08 (1) 3.125 (14) 3.18 (4) 3.19 (4) 3.11 (2) 3.12 (2) 3.13 (1) 3.15 (1) 3.171 (1) 3.188 (1) 3.25 (6) 3.281 (3) 3.31 (4) 3.375 (4) 3.3 (3) 3.313 (3) 3.346 (3) 3.438 (24) 3.44 (4) 3.48 (3) 3.5 (35) 3.51 (2) 3.56 (2) 3.565 (2) 3.68 (7) 3.625 (4) 3.63 (4) 3.62 (3) 3.656 (3) 3.678 (2) 3.622 (1) 3.75 (9) 3.7 (4) 3.72 (4) 3.74 (2) 3.76 (2) 3.78 (2) 3.81 (11) 3.819 (5) 3.875 (5) 3.8 (4) 3.84 (3) 3.844 (3) 3.813 (2) 3.858 (2) 3.849 (1) 3.937 (14) 3.939 (4) 3.94 (2) 3.938 (1) 4.0 (50) 4.01 (5) 4.063 (2) 4.012 (1) 4.016 (1) 4.09 (1) 4.125 (2) 4.134 (2) 4.173 (2) 4.19 (1) 4.25 (13) 4.278 (2) 4.24 (1) 4.252 (1) 4.375 (8) 4.331 (2) 4.37 (2) 4.3 (1)
-
mm in outside diameter
-
mm in bore
-
bore threaded
hub type
number of teeth
Need help?
833-505-2801 BDIEXPRESS Direct  | 

INDICATES Contract Pricing

Page 1 of 1030

Next

Compare
9JEMS

COMPARE

9JEMS

Description
9JEMS QUADRA-FLEX SLEEVE ; 6" OD THERMOPLASTIC RUBBER

MARTIN SPROCKET & GR

Part # 9JEMS

BDI # 625783

Features

Component: Sleeve
Width - Millimeter: 76.2
Inch - Metric: Inch
Material: Thermoplastic Rubber
Outside Diameter - Inch: 6

Outside Diameter - Millimeter: 152.4
Other Features: Components May or May Not Intermix Among Brands | 1 Piece Split
Coupling Type: Elastomeric Coupling
Torque: 1800In-Lbs
Width - Inch: 3

Price Inventory : In stock
QTY
8018 2

COMPARE

8018 2

Description
8018 2 CHAIN CPLG HUB ; 2" BORE 4-9/16" HUB DIA

MARTIN SPROCKET & GR

Part # 8018 2

BDI # 625405

Features

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 6.27

Length Thru Bore - Millimeter: 60.325
Other Features: Components May or May Not Intermix Among Brands | Hardened Teeth | Set Screw
Hub Diameter - Millimeter: 115.9
Hub Diameter - Inch: 4.563
Coupling Type: Chain Coupling

Price Inventory : In stock
QTY
E10

COMPARE

E10

Description
E10 COUPLING ELEMENT ; 10" OD ELASTOMERIC TYPE RUBBER

MARTIN SPROCKET & GR

Part # E10

BDI # 608304

Features

Component: Element
Width - Millimeter: 103.2
Inch - Metric: Inch
Material: Rubber
Outside Diameter - Inch: 10

Outside Diameter - Millimeter: 254
Other Features: Components May or May Not Intermix Among Brands
Coupling Type: Elastomeric Coupling
Torque: 5250In-Lbs
Width - Inch: 4.063

Price Inventory : In stock
QTY
5016 3/4

COMPARE

5016 3/4

Description
5016 3/4 CHAIN CPLG HUB ; 3/4" BORE 2-1/2" HUB DIA

MARTIN SPROCKET & GR

Part # 5016 3/4

BDI # 622180

Features

Bore Profile: Finished Bore
Component: Hub
Inch - Metric: Inch
Material: Steel
Outside Diameter - Inch: 3.52

Length Thru Bore - Millimeter: 36.525
Other Features: Components May or May Not Intermix Among Brands | Hardened Teeth | Set Screw
Hub Diameter - Millimeter: 63.5
Hub Diameter - Inch: 2.5
Coupling Type: Chain Coupling

Price Inventory : In stock
QTY
SC62

COMPARE

SC62

Description
SC62 SETSCREW COLLAR ; 5/8" IDX1-1/8" ODX1/2" W STEEL

BOSTON GEAR

Part # 67705

BDI # 176669

Features

Split or Solid Description: One Piece Solid
Bore Threaded: No
Component: Shaft Collar
Width - Millimeter: 12.7
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 1.125
Outside Diameter - Millimeter: 28.575
Bore - Millimeter: 15.875
Other Features: Zinc Plated

Price Inventory : In stock
QTY

© copyright 2025 BDI All Rights Reserved