Fafnir® Single Row Imperial Ball Screw Support Bearings (MM9-H) On The Timken Company

Find Your Nearest Timken Sales Office or Authorized Distributor

Our locator tool helps you connect with the right Timken partner quickly. Registered users
can save their nearest Timken Sales office or distributor in their dashboard.

Try the Locator Tool

Analyze Bearing Performance in an Application with Timken ^® Syber ^® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

Learn More

Explore Timken Engineering Tools
Videos on YouTube

Check out our Engineering Tools video playlist on YouTube. These short walkthroughs
help you navigate Timken calculation tools, selection guides and digital resources.

View the Full Playlist

Batch CAD Cart (0) ▾

Timken® angular contact ball bearings are designed for combination radial and axial loading. Single-row bearings have high thrust capacity in one direction. Some single-row bearings are specifically designed for duplex mounting in sets for maximum performance.

51 - 72 of 72 | Results Per Page | View | Unit of Measure

1 2 3

Request Information Compare Items Add to CAD Cart

Clear Filter

Rows per Set

d - Bore (mm)

D - Outer Diameter (in)

D - Outer Diameter (mm)

Bearing Width (in)

Bearing Width (mm)

Total Width (in)

Total Width (mm)

Ce - Dynamic Radial Rating (per row) (lbf)

Ce - Dynamic Radial Rating (per row) (N)

Limiting Speed (Grease) (per row) (rpm)

Limiting Speed (Oil) (per row) (rpm)

Part Number	Rows per Set	d - Bore	D - Outer Diameter	Bearing Width	Total Width	Contact Angle	C0 - Static Radial Rating (per row)	Ce - Dynamic Radial Rating (per row)	Ball Type	CAD

MM9316WI 3H QUM	N/A Quadruplex	N/A 76.2 mm	N/A 4.3307 in110 mm	N/A 0.625 in15.88 mm	N/A 2.5 in63.52 mm	N/A 60 º	N/A 17300 lbf77000 N	N/A 10000 lbf44500 N	N/A STEEL	N/A
MM9316WI 3H SUL	N/A Single	N/A 76.2 mm	N/A 4.3307 in110 mm	N/A 0.625 in15.88 mm	N/A 0.625 in15.88 mm	N/A 60 º	N/A 17300 lbf77000 N	N/A 10000 lbf44500 N	N/A STEEL	N/A
MM9316WI 3H DUL	N/A Duplex	N/A 76.2 mm	N/A 4.3307 in110 mm	N/A 0.625 in15.88 mm	N/A 1.25 in31.76 mm	N/A 60 º	N/A 17300 lbf77000 N	N/A 10000 lbf44500 N	N/A STEEL	N/A
MM9316WI 3H QUL	N/A Quadruplex	N/A 76.2 mm	N/A 4.3307 in110 mm	N/A 0.625 in15.88 mm	N/A 2.5 in63.52 mm	N/A 60 º	N/A 17300 lbf77000 N	N/A 10000 lbf44500 N	N/A STEEL	N/A
MM9321WI 3H SUH	N/A Single	N/A 101.600 mm	N/A 5.7087 in145 mm	N/A 0.8750 in22.23 mm	N/A 0.875 in22.23 mm	N/A 60 º	N/A 26000 lbf115700 N	N/A 12900 lbf57400 N	N/A STEEL	N/A
MM9321WI 3H DUH	N/A Duplex	N/A 101.600 mm	N/A 5.7087 in145 mm	N/A 0.8750 in22.23 mm	N/A 1.75 in44.46 mm	N/A 60 º	N/A 26000 lbf115700 N	N/A 12900 lbf57400 N	N/A STEEL	N/A
MM9321WI 3H QUH	N/A Quadruplex	N/A 101.600 mm	N/A 5.7087 in145 mm	N/A 0.8750 in22.23 mm	N/A 3.5 in88.92 mm	N/A 60 º	N/A 26000 lbf115700 N	N/A 12900 lbf57400 N	N/A STEEL	N/A
MM9321WI 3H SUM	N/A Single	N/A 101.600 mm	N/A 5.7087 in145 mm	N/A 0.8750 in22.23 mm	N/A 0.875 in22.23 mm	N/A 60 º	N/A 26000 lbf115700 N	N/A 12900 lbf57400 N	N/A STEEL	N/A
MM9321WI 3H DUM	N/A Duplex	N/A 101.600 mm	N/A 5.7087 in145 mm	N/A 0.8750 in22.23 mm	N/A 1.75 in44.46 mm	N/A 60 º	N/A 26000 lbf115700 N	N/A 12900 lbf57400 N	N/A STEEL	N/A
MM9321WI 3H QUM	N/A Quadruplex	N/A 101.600 mm	N/A 5.7087 in145 mm	N/A 0.8750 in22.23 mm	N/A 3.5 in88.92 mm	N/A 60 º	N/A 26000 lbf115700 N	N/A 12900 lbf57400 N	N/A STEEL	N/A
MM9321WI 3H SUL	N/A Single	N/A 101.600 mm	N/A 5.7087 in145 mm	N/A 0.8750 in22.23 mm	N/A 0.875 in22.23 mm	N/A 60 º	N/A 26000 lbf115700 N	N/A 12900 lbf57400 N	N/A STEEL	N/A
MM9321WI 3H DUL	N/A Duplex	N/A 101.600 mm	N/A 5.7087 in145 mm	N/A 0.8750 in22.23 mm	N/A 1.75 in44.46 mm	N/A 60 º	N/A 26000 lbf115700 N	N/A 12900 lbf57400 N	N/A STEEL	N/A
MM9321WI 3H QUL	N/A Quadruplex	N/A 101.600 mm	N/A 5.7087 in145 mm	N/A 0.8750 in22.23 mm	N/A 3.5 in88.92 mm	N/A 60 º	N/A 26000 lbf115700 N	N/A 12900 lbf57400 N	N/A STEEL	N/A
MM9326WI 6H SUH	N/A Single	N/A 127 mm	N/A 7.0866 in180 mm	N/A 0.8750 in22.23 mm	N/A 0.875 in22.23 mm	N/A 60 º	N/A 42000 lbf186800 N	N/A 21200 lbf94300 N	N/A STEEL	N/A
MM9326WI 6H DUH	N/A Duplex	N/A 127 mm	N/A 7.0866 in180 mm	N/A 0.8750 in22.23 mm	N/A 1.75 in44.46 mm	N/A 60 º	N/A 42000 lbf186800 N	N/A 21200 lbf94300 N	N/A STEEL	N/A
MM9326WI 6H QUH	N/A Quadruplex	N/A 127 mm	N/A 7.0866 in180 mm	N/A 0.8750 in22.23 mm	N/A 3.5 in88.92 mm	N/A 60 º	N/A 42000 lbf186800 N	N/A 21200 lbf94300 N	N/A STEEL	N/A
MM9326WI 6H SUM	N/A Single	N/A 127 mm	N/A 7.0866 in180 mm	N/A 0.8750 in22.23 mm	N/A 0.875 in22.23 mm	N/A 60 º	N/A 42000 lbf186800 N	N/A 21200 lbf94300 N	N/A STEEL	N/A
MM9326WI 6H DUM	N/A Duplex	N/A 127 mm	N/A 7.0866 in180 mm	N/A 0.8750 in22.23 mm	N/A 1.75 in44.46 mm	N/A 60 º	N/A 42000 lbf186800 N	N/A 21200 lbf94300 N	N/A STEEL	N/A
MM9326WI 6H QUM	N/A Quadruplex	N/A 127 mm	N/A 7.0866 in180 mm	N/A 0.8750 in22.23 mm	N/A 3.5 in88.92 mm	N/A 60 º	N/A 42000 lbf186800 N	N/A 21200 lbf94300 N	N/A STEEL	N/A
MM9326WI 6H SUL	N/A Single	N/A 127 mm	N/A 7.0866 in180 mm	N/A 0.8750 in22.23 mm	N/A 0.875 in22.23 mm	N/A 60 º	N/A 42000 lbf186800 N	N/A 21200 lbf94300 N	N/A STEEL	N/A
MM9326WI 6H DUL	N/A Duplex	N/A 127 mm	N/A 7.0866 in180 mm	N/A 0.8750 in22.23 mm	N/A 1.75 in44.46 mm	N/A 60 º	N/A 42000 lbf186800 N	N/A 21200 lbf94300 N	N/A STEEL	N/A
MM9326WI 6H QUL	N/A Quadruplex	N/A 127 mm	N/A 7.0866 in180 mm	N/A 0.8750 in22.23 mm	N/A 3.5 in88.92 mm	N/A 60 º	N/A 42000 lbf186800 N	N/A 21200 lbf94300 N	N/A STEEL	N/A

51 - 72 of 72 | Results Per Page | View | Unit of Measure

1 2 3

Email ^*
First Name ^*
Last Name ^*
Company ^*
Department ^*
Country ^*
Zip/Postal Code ^*
Phone Number