Bryan Obida

Live support:

Monday - Friday 6AM - 6PM PST

F631BF-2-B11 Boston Gear Mechanical Components

Boston Gear F631BF-2-B11 Inline Reducer; 2:1 Nominal Ratio; 213TC/215TC Frame; C-Face Quill Input; Shaft Output; Helical Gear; 600 Series; Direct Mounted; 1-3/8" Input Shaft Diameter; Cast Iron; 684In-Lbs Output Torque

Part#:F631BF-2-B11

Manufacturer:Boston Gear

Product Lifecycle:Active

Get a quick Quote!

Inline Reducer; 2:1 Nominal Ratio; 213TC/215TC Frame; C-Face Quill Input; Shaft Output; Helical Gear; 600 Series; Direct Mounted; 1-3/8" Input Shaft Diameter; Cast Iron; 684In-Lbs Output Torque

Check out the F631BF-2-B11 Boston Gear price in the box on the right side or send a quick quote.

Product Details

  • Overall Height
    10.915 Inch | 277.241 Millimeter
  • Base to Center of Output Shaft
    0 Inch | 0 Millimeter
  • Output Shaft Diameter
    1 Inch | 25.4 Millimeter
  • Base to Center of Input Shaft
    0 Inch | 0 Millimeter
  • Input Shaft Length
    0 Inch | 0 Millimeter
  • Overall Width
    9 Inch | 228.6 Millimeter
  • Output Shaft Length
    1.36 Inch | 34.544 Millimeter
  • Output Bore
    0 Inch | 0 Millimeter
  • Bolt Hole Diameter
    0.47 Inch | 11.938 Millimeter
  • Input Shaft Diameter
    1.375 Inch | 34.925 Millimeter
  • Overall Length
    12.58 Inch | 319.532 Millimeter
  • Weight / LBS
    44
  • Inch - Metric
    Inch
  • Output Torque value plus um
    684In-Lbs
  • Maximum Overhung load value And um
    250Lbs
  • Other Features
    Single Reduction | Other Mount: Flange Mounted | No Lubricant
  • Housing Material And Finish
    Cast Iron
  • Manufacturers Series
    600
  • Output RPM at 1750 RPM Input
    875
  • Gearing
    Helical
  • Fan Cooling
    No
  • Base Included
    No
  • Mounting Bolt Pattern footprint
    Square
  • Input Rating value plus um
    10.35HP
  • Input Type
    C-Face Quill
  • Mounting Method
    Direct Mounted
  • Nominal Max Input Rating
    10HP
  • Output Type
    Shaft
  • Mounting Frame
    213TC/215TC
  • Nominal Max Output RPM
    875
  • UNSPSC
    26111538
  • Motor Included
    No
  • Nominal Ratio
    2:1
  • Reducer Type
    Inline
  • Weight / Kilogram
    19.959
  • Minimum Buy Quantity
    N/A
  • Brand
    BOSTON GEAR

Product condition

ORIGINAL PACKAGING

SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging


1-year warranty

Get a quick Quote!

Request a quote, and we will send you price and availability within minutes.

Select Qty:

Average response time: 11 minutes

By purchasing this item, you agree to the Terms & Conditions

Quotebeam is NOT an authorized distributor of Boston Gear

Shipping and Delivery Worldwide

calculate costs and time


Secure Payment Processing

with money back guarantee


1 year warranty

on all parts


Responsive Customer Support

we're here to help!

Need more details?

Feel free to chat with us or check our FAQ

Boston Gear Disclaimer:

The product is unused surplus. Quotebeam is not an authorized surplus dealer or affiliate for the Manufacturer of this product. Products may feature older date codes or be from an earlier series than what is currently available from the manufacturer or authorized dealers. Because Quotebeam is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Boston Gear Controls products will have firmware already installed, Quotebeam makes no representation as to whether a Controls product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Quotebeam also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Boston Gear, its distributors, or any other source. Quotebeam also makes no representations as to your right to install any such firmware on the product. Quotebeam will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Relevant products

Do you have questions?

We’re here for you ✨

We are a proud member of:

Association for High Technology Distribution LogoAssociation for Advancing Automation LogoThe International Society of Automation Logo