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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.
Fafnir® Single Row Ball Bearings
Unit of Measure
1 2 3 

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

MM9310WI 2H DUL N/A Duplex N/A N/A 2.8346 in N/A 0.625 in N/A 1.25 in N/A 60 º N/A 10200 lbf45400 N N/A 8150 lbf36300 N N/A STEEL N/A CAD Icon (for items table)
MM9310WI 2H QUL N/A Quadruplex N/A N/A 2.8346 in N/A 0.625 in N/A 2.5 in N/A 60 º N/A 10200 lbf45400 N N/A 8150 lbf36300 N N/A STEEL N/A CAD Icon (for items table)
MM9311WI 3H SUH N/A Single N/A N/A 3 in N/A 0.625 in N/A 0.625 in N/A 60 º N/A 11400 lbf50700 N N/A 8650 lbf38500 N N/A STEEL N/A CAD Icon (for items table)
MM9311WI 3H DUH N/A Duplex N/A N/A 3 in N/A 0.625 in N/A 1.25 in N/A 60 º N/A 11400 lbf50700 N N/A 8650 lbf38500 N N/A STEEL N/A CAD Icon (for items table)
MM9311WI 3H QUH N/A Quadruplex N/A N/A 3 in N/A 0.625 in N/A 2.5 in N/A 60 º N/A 11400 lbf50700 N N/A 8650 lbf38500 N N/A STEEL N/A CAD Icon (for items table)
MM9311WI 3H SUM N/A Single N/A N/A 3 in N/A 0.625 in N/A 0.625 in N/A 60 º N/A 11400 lbf50700 N N/A 8650 lbf38500 N N/A STEEL N/A CAD Icon (for items table)
MM9311WI 3H DUM N/A Duplex N/A N/A 3 in N/A 0.625 in N/A 1.25 in N/A 60 º N/A 11400 lbf50700 N N/A 8650 lbf38500 N N/A STEEL N/A CAD Icon (for items table)
MM9311WI 3H QUM N/A Quadruplex N/A N/A 3 in N/A 0.625 in N/A 2.5 in N/A 60 º N/A 11400 lbf50700 N N/A 8650 lbf38500 N N/A STEEL N/A CAD Icon (for items table)
MM9311WI 3H SUL N/A Single N/A N/A 3 in N/A 0.625 in N/A 0.625 in N/A 60 º N/A 11400 lbf50700 N N/A 8650 lbf38500 N N/A STEEL N/A CAD Icon (for items table)
MM9311WI 3H DUL N/A Duplex N/A N/A 3 in N/A 0.625 in N/A 1.25 in N/A 60 º N/A 11400 lbf50700 N N/A 8650 lbf38500 N N/A STEEL N/A CAD Icon (for items table)
MM9311WI 3H QUL N/A Quadruplex N/A N/A 3 in N/A 0.625 in N/A 2.5 in N/A 60 º N/A 11400 lbf50700 N N/A 8650 lbf38500 N N/A STEEL N/A CAD Icon (for items table)
MM9313WI 5H SUH N/A Single N/A N/A 3.5433 in N/A 0.625 in N/A 0.625 in N/A 60 º N/A 13700 lbf60900 N N/A 9300 lbf41400 N N/A STEEL N/A CAD Icon (for items table)
MM9313WI 5H DUH N/A Duplex N/A N/A 3.5433 in N/A 0.625 in N/A 1.25 in N/A 60 º N/A 13700 lbf60900 N N/A 9300 lbf41400 N N/A STEEL N/A CAD Icon (for items table)
MM9313WI 5H QUH N/A Quadruplex N/A N/A 3.5433 in N/A 0.625 in N/A 2.5 in N/A 60 º N/A 13700 lbf60900 N N/A 9300 lbf41400 N N/A STEEL N/A CAD Icon (for items table)
MM9313WI 5H SUM N/A Single N/A N/A 3.5433 in N/A 0.625 in N/A 0.625 in N/A 60 º N/A 13700 lbf60900 N N/A 9300 lbf41400 N N/A STEEL N/A CAD Icon (for items table)
MM9313WI 5H DUM N/A Duplex N/A N/A 3.5433 in N/A 0.625 in N/A 1.25 in N/A 60 º N/A 13700 lbf60900 N N/A 9300 lbf41400 N N/A STEEL N/A CAD Icon (for items table)
MM9313WI 5H QUM N/A Quadruplex N/A N/A 3.5433 in N/A 0.625 in N/A 2.5 in N/A 60 º N/A 13700 lbf60900 N N/A 9300 lbf41400 N N/A STEEL N/A CAD Icon (for items table)
MM9313WI 5H SUL N/A Single N/A N/A 3.5433 in N/A 0.625 in N/A 0.625 in N/A 60 º N/A 13700 lbf60900 N N/A 9300 lbf41400 N N/A STEEL N/A CAD Icon (for items table)
MM9313WI 5H DUL N/A Duplex N/A N/A 3.5433 in N/A 0.625 in N/A 1.25 in N/A 60 º N/A 13700 lbf60900 N N/A 9300 lbf41400 N N/A STEEL N/A CAD Icon (for items table)
MM9313WI 5H QUL N/A Quadruplex N/A N/A 3.5433 in N/A 0.625 in N/A 2.5 in N/A 60 º N/A 13700 lbf60900 N N/A 9300 lbf41400 N N/A STEEL N/A CAD Icon (for items table)
MM9316WI 3H SUH N/A Single N/A N/A 4.3307 in N/A 0.625 in N/A 0.625 in N/A 60 º N/A 17300 lbf77000 N N/A 10000 lbf44500 N N/A STEEL N/A CAD Icon (for items table)
MM9316WI 3H DUH N/A Duplex N/A N/A 4.3307 in N/A 0.625 in N/A 1.25 in N/A 60 º N/A 17300 lbf77000 N N/A 10000 lbf44500 N N/A STEEL N/A CAD Icon (for items table)
MM9316WI 3H QUH N/A Quadruplex N/A N/A 4.3307 in N/A 0.625 in N/A 2.5 in N/A 60 º N/A 17300 lbf77000 N N/A 10000 lbf44500 N N/A STEEL N/A CAD Icon (for items table)
MM9316WI 3H SUM N/A Single N/A N/A 4.3307 in N/A 0.625 in N/A 0.625 in N/A 60 º N/A 17300 lbf77000 N N/A 10000 lbf44500 N N/A STEEL N/A CAD Icon (for items table)
MM9316WI 3H DUM N/A Duplex N/A N/A 4.3307 in N/A 0.625 in N/A 1.25 in N/A 60 º N/A 17300 lbf77000 N N/A 10000 lbf44500 N N/A STEEL N/A CAD Icon (for items table)
Unit of Measure
1 2 3