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 
 

F643B-50-B7 https://www.bdiexpress.com/medias/INDB-GSPDRED-600-IL-QL-S-FT-M-300x300.jpg?context=bWFzdGVyfHJvb3R8MzcxMjN8aW1hZ2UvanBlZ3xhREV5TDJnek15ODRPVEk1TVRFNU1EUXpOakUwTG1wd1p3fGU3M2M1OTI3ZDUxYmM2MjExZGY1ZDU3MmY2YWNmZTNhZWUwMjAxMmJlNWY0Zjg3MDQ5MjM4OTkwZmYxZGY0OWY
165917 Inline Shafts 

BOSTON GEAR BOSTON GEAR

F643B-50-B7

Description

F643B-50-B7 ; HELICAL SPEED REDUCER

Speed Reducer; Inline Type; 50:1 Nominal Ratio; 143TC/145TC Frame; C-Face Quill Input; Shaft Output; Helical Gear; 600 Series; Base Mounted; 7/8" Input Shaft Diameter; Cast Iron; 3525In-Lbs Output Torque

Part #

28745

BDI #
165917

Details

5818.88 CAD 2099-12-31 http://schema.org/NewCondition https://schema.org/LimitedAvailability Your Price $ 5,818.88 / each BDIExpress
QTY

Inventory

Total: Available to order

Category
Inline Shafts
Brand
BOSTON GEAR
Manufacturer Name
ALTRA INDUSTRIAL MOTION
Minimum Buy Quantity
N/A
Weight / Kilogram
40.86
EAN
0781711287453
Product Group - BDI
M02282
Tradename
0
Reducer Type
Inline
Nominal Ratio
50:1
Mounting Frame
143TC/145TC
Input Type
C-Face Quill
Output Type
Shaft
Motor Included
No
Nominal Max Input Rating
3HP
Nominal Max Output RPM
35
Mounting Method
Base Mounted
Gearing
Helical
Manufacturer's Series
600
Mounting Position
Floor
Mounting Bolt Pattern footprint
Rectangle
Maximum Overhung load value And um
1305Lbs
Base Included
Yes
Input Rating value plus um
3.46HP
Housing Material And Finish
Cast Iron
Output RPM at 1750 RPM Input
35
Output Torque value plus um
3525In-Lbs
Fan Cooling
No
Other Features
Triple Reduction | No Lubricant
Inch - Metric
Inch
Category - BDI
Reducers Inline Shaft
Harmonized Tariff Code
8483.40.70.00
Noun
Reducer
Keyword String
Speed Inline
Manufacturer URL
https://www.bostongear.com
Manufacturer Item Number
F643B-50-B7
Manufacturer Internal Number
28745
Weight / LBS
90
Long Description
Speed Reducer; Inline Type; 50:1 Nominal Ratio; 143TC/145TC Frame; C-Face Quill Input; Shaft Output; Helical Gear; 600 Series; Base Mounted; 7/8" Input Shaft Diameter; Cast Iron; 3525In-Lbs Output Torque
Overall Height
9.94 Inch | 252.476 Millimeter
Output Shaft Diameter
1.5 Inch | 38.1 Millimeter
Bolt Hole Diameter
0.71 Inch | 18.034 Millimeter
Output Shaft Length
3 Inch | 76.2 Millimeter
Overall Length
16.31 Inch | 414.274 Millimeter
Base to Center of Input Shaft
4.74 Inch | 120.396 Millimeter
Input Shaft Diameter
0.875 Inch | 22.225 Millimeter
Overall Width
10.13 Inch | 257.302 Millimeter
Base to Center of Output Shaft
5.51 Inch | 139.954 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