Aurora Bearing Company
Aurora Bearing Company
901 Aucutt Rd.
Montgomery, IL 60538
Phone: 630.859.2030 • Fax: 630.859.0971
Email: customersupport@aurorabearing.com • Website: www.aurorabearing.com
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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.
Precision Ball Bearings
Unit of Measure
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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

2MM311WICRSUL N/A Single N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 1.142 in29 mm N/A 15 º N/A 12200 lbf54600 N N/A 20300 lbf90200 N N/A STEEL N/A CAD Icon (for items table)
2MMC311WICRSUL N/A Single N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 1.142 in29 mm N/A 15 º N/A 10900 lbf48600 N N/A 20300 lbf90200 N N/A Ceramic N/A CAD Icon (for items table)
3MM311WICRSUL N/A Single N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 1.142 in29 mm N/A 25 º N/A 11800 lbf52600 N N/A 19500 lbf86700 N N/A STEEL N/A CAD Icon (for items table)
3MMC311WICRSUL N/A Single N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 1.142 in29 mm N/A 25 º N/A 10500 lbf46800 N N/A 19500 lbf86700 N N/A Ceramic N/A CAD Icon (for items table)
2MM311WICRDUL N/A Duplex N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 2.283 in58 mm N/A 15 º N/A 12200 lbf54600 N N/A 20300 lbf90200 N N/A STEEL N/A CAD Icon (for items table)
2MMC311WICRDUL N/A Duplex N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 2.283 in58 mm N/A 15 º N/A 10900 lbf48600 N N/A 20300 lbf90200 N N/A Ceramic N/A CAD Icon (for items table)
3MM311WICRDUL N/A Duplex N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 2.283 in58 mm N/A 25 º N/A 11800 lbf52600 N N/A 19500 lbf86700 N N/A STEEL N/A CAD Icon (for items table)
3MMC311WICRDUL N/A Duplex N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 2.283 in58 mm N/A 25 º N/A 10500 lbf46800 N N/A 19500 lbf86700 N N/A Ceramic N/A CAD Icon (for items table)
2MM311WICRTUL N/A Triplex N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 3.425 in87 mm N/A 15 º N/A 12200 lbf54600 N N/A 20300 lbf90200 N N/A STEEL N/A CAD Icon (for items table)
2MMC311WICRTUL N/A Triplex N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 3.425 in87 mm N/A 15 º N/A 10900 lbf48600 N N/A 20300 lbf90200 N N/A Ceramic N/A CAD Icon (for items table)
3MM311WICRTUL N/A Triplex N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 3.425 in87 mm N/A 25 º N/A 11800 lbf52600 N N/A 19500 lbf86700 N N/A STEEL N/A CAD Icon (for items table)
3MMC311WICRTUL N/A Triplex N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 3.425 in87 mm N/A 25 º N/A 10500 lbf46800 N N/A 19500 lbf86700 N N/A Ceramic N/A CAD Icon (for items table)
2MM311WICRQUL N/A Quadruplex N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 4.567 in116 mm N/A 15 º N/A 12200 lbf54600 N N/A 20300 lbf90200 N N/A STEEL N/A CAD Icon (for items table)
2MMC311WICRQUL N/A Quadruplex N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 4.567 in116 mm N/A 15 º N/A 10900 lbf48600 N N/A 20300 lbf90200 N N/A Ceramic N/A CAD Icon (for items table)
3MM311WICRQUL N/A Quadruplex N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 4.567 in116 mm N/A 25 º N/A 11800 lbf52600 N N/A 19500 lbf86700 N N/A STEEL N/A CAD Icon (for items table)
3MMC311WICRQUL N/A Quadruplex N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 4.567 in116 mm N/A 25 º N/A 10500 lbf46800 N N/A 19500 lbf86700 N N/A Ceramic N/A CAD Icon (for items table)
2MM311WICR N/A Single N/A 55 mm N/A 4.7244 in120 mm N/A 1.1417 in29 mm N/A 1.063 in27 mm N/A 15 º N/A 12200 lbf54600 N N/A 20300 lbf90200 N N/A STEEL N/A CAD Icon (for items table)
2MV9312WICRQUX N/A Quadruplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 2.0472 in52 mm N/A 15 º N/A 4540 lbf20200 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MV9312WICRSUX N/A Single N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 0.5118 in13 mm N/A 15 º N/A 4540 lbf20200 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MV9312WICRTUX N/A Triplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.5354 in39 mm N/A 15 º N/A 4540 lbf20200 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MVC9312WICRDUX N/A Duplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.0236 in26 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A Ceramic N/A CAD Icon (for items table)
2MVC9312WICRQUX N/A Quadruplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 2.0472 in52 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A Ceramic N/A CAD Icon (for items table)
2MVC9312WICRSUX N/A Single N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 0.5118 in13 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A Ceramic N/A CAD Icon (for items table)
2MVC9312WICRTUX N/A Triplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.5354 in39 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A Ceramic N/A CAD Icon (for items table)
3MVC9312WICRDUX N/A Duplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.0236 in26 mm N/A 25 º N/A 3800 lbf16900 N N/A 4820 lbf21400 N N/A Ceramic N/A CAD Icon (for items table)
3MVC9312WICRQUX N/A Quadruplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 2.0472 in52 mm N/A 25 º N/A 3800 lbf16900 N N/A 4820 lbf21400 N N/A Ceramic N/A CAD Icon (for items table)
3MVC9312WICRSUX N/A Single N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 0.5118 in13 mm N/A 25 º N/A 3800 lbf16900 N N/A 4820 lbf21400 N N/A Ceramic N/A CAD Icon (for items table)
3MVC9312WICRTUX N/A Triplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.5354 in39 mm N/A 25 º N/A 3800 lbf16900 N N/A 4820 lbf21400 N N/A Ceramic N/A CAD Icon (for items table)
3MMVC9312HXVVSULFS637 N/A Single N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 0.5118 in13 mm N/A 25 º N/A 3800 lbf16900 N N/A 4820 lbf21400 N N/A Ceramic N/A CAD Icon (for items table)
2MMV9312HXVVDUHFS934 N/A Duplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.5354 in39 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVDULFS637 N/A Duplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.0236 in26 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVDULFS934 N/A Duplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.0236 in26 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVDUMFS934 N/A Duplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.0236 in26 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVQUHFS934 N/A Quadruplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.0236 in26 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVQULFS934 N/A Quadruplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 2.0472 in52 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVQUMFS934 N/A Quadruplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 2.0472 in52 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVSUHFS934 N/A Single N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 2.0472 in52 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVSULFS637 N/A Single N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 0.5118 in13 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVSULFS934 N/A Single N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 0.5118 in13 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVSUMFS637 N/A Single N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 0.5118 in13 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVSUMFS934 N/A Single N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 0.5118 in13 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVTUHFS934 N/A Triplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 0.5118 in13 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVTULFS934 N/A Triplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.5354 in39 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMV9312HXVVTUMFS934 N/A Triplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.5354 in39 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A STEEL N/A CAD Icon (for items table)
2MMVC9312HXVVDUHFS934 N/A Duplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.5354 in39 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A Ceramic N/A CAD Icon (for items table)
2MMVC9312HXVVDULFS934 N/A Duplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.0236 in26 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A Ceramic N/A CAD Icon (for items table)
2MMVC9312HXVVDUMFS934 N/A Duplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.0236 in26 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A Ceramic N/A CAD Icon (for items table)
2MMVC9312HXVVQUHFS934 N/A Quadruplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 1.0236 in26 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A Ceramic N/A CAD Icon (for items table)
2MMVC9312HXVVQULFS934 N/A Quadruplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 2.0472 in52 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A Ceramic N/A CAD Icon (for items table)
2MMVC9312HXVVQUMFS934 N/A Quadruplex N/A 60 mm N/A 3.3465 in85 mm N/A 0.5118 in13 mm N/A 2.0472 in52 mm N/A 15 º N/A 4040 lbf18000 N N/A 5100 lbf22700 N N/A Ceramic N/A CAD Icon (for items table)
Unit of Measure
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