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

3MMC308WICRDUH N/A Duplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 1.811 in46 mm N/A 25 º N/A 6770 lbf30100 N N/A 12900 lbf57500 N N/A Ceramic N/A CAD Icon (for items table)
2MM308WICRTUH N/A Triplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 2.717 in69 mm N/A 15 º N/A 7800 lbf35000 N N/A 13400 lbf59700 N N/A STEEL N/A CAD Icon (for items table)
2MMC308WICRTUH N/A Triplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 2.717 in69 mm N/A 15 º N/A 7010 lbf31200 N N/A 13400 lbf59700 N N/A Ceramic N/A CAD Icon (for items table)
3MM308WICRTUH N/A Triplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 2.717 in69 mm N/A 25 º N/A 7600 lbf33800 N N/A 12900 lbf57500 N N/A STEEL N/A CAD Icon (for items table)
3MMC308WICRTUH N/A Triplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 2.717 in69 mm N/A 25 º N/A 6770 lbf30100 N N/A 12900 lbf57500 N N/A Ceramic N/A CAD Icon (for items table)
2MM308WICRQUH N/A Quadruplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 3.622 in92 mm N/A 15 º N/A 7800 lbf35000 N N/A 13400 lbf59700 N N/A STEEL N/A CAD Icon (for items table)
2MMC308WICRQUH N/A Quadruplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 3.622 in92 mm N/A 15 º N/A 7010 lbf31200 N N/A 13400 lbf59700 N N/A Ceramic N/A CAD Icon (for items table)
3MM308WICRQUH N/A Quadruplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 3.622 in92 mm N/A 25 º N/A 7600 lbf33800 N N/A 12900 lbf57500 N N/A STEEL N/A CAD Icon (for items table)
3MMC308WICRQUH N/A Quadruplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 3.622 in92 mm N/A 25 º N/A 6770 lbf30100 N N/A 12900 lbf57500 N N/A Ceramic N/A CAD Icon (for items table)
2MM308WICRSUM N/A Single N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 0.906 in23 mm N/A 15 º N/A 7800 lbf35000 N N/A 13400 lbf59700 N N/A STEEL N/A CAD Icon (for items table)
2MMC308WICRSUM N/A Single N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 0.906 in23 mm N/A 15 º N/A 7010 lbf31200 N N/A 13400 lbf59700 N N/A Ceramic N/A CAD Icon (for items table)
3MM308WICRSUM N/A Single N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 0.906 in23 mm N/A 25 º N/A 7600 lbf33800 N N/A 12900 lbf57500 N N/A STEEL N/A CAD Icon (for items table)
3MMC308WICRSUM N/A Single N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 0.906 in23 mm N/A 25 º N/A 6770 lbf30100 N N/A 12900 lbf57500 N N/A Ceramic N/A CAD Icon (for items table)
2MM308WICRDUM N/A Duplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 1.811 in46 mm N/A 15 º N/A 7800 lbf35000 N N/A 13400 lbf59700 N N/A STEEL N/A CAD Icon (for items table)
2MMC308WICRDUM N/A Duplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 1.811 in46 mm N/A 15 º N/A 7010 lbf31200 N N/A 13400 lbf59700 N N/A Ceramic N/A CAD Icon (for items table)
3MM308WICRDUM N/A Duplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 1.811 in46 mm N/A 25 º N/A 7600 lbf33800 N N/A 12900 lbf57500 N N/A STEEL N/A CAD Icon (for items table)
3MMC308WICRDUM N/A Duplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 1.811 in46 mm N/A 25 º N/A 6770 lbf30100 N N/A 12900 lbf57500 N N/A Ceramic N/A CAD Icon (for items table)
2MM308WICRTUM N/A Triplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 2.717 in69 mm N/A 15 º N/A 7800 lbf35000 N N/A 13400 lbf59700 N N/A STEEL N/A CAD Icon (for items table)
2MMC308WICRTUM N/A Triplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 2.717 in69 mm N/A 15 º N/A 7010 lbf31200 N N/A 13400 lbf59700 N N/A Ceramic N/A CAD Icon (for items table)
3MM308WICRTUM N/A Triplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 2.717 in69 mm N/A 25 º N/A 7600 lbf33800 N N/A 12900 lbf57500 N N/A STEEL N/A CAD Icon (for items table)
3MMC308WICRTUM N/A Triplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 2.717 in69 mm N/A 25 º N/A 6770 lbf30100 N N/A 12900 lbf57500 N N/A Ceramic N/A CAD Icon (for items table)
2MM308WICRQUM N/A Quadruplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 3.622 in92 mm N/A 15 º N/A 7800 lbf35000 N N/A 13400 lbf59700 N N/A STEEL N/A CAD Icon (for items table)
2MMC308WICRQUM N/A Quadruplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 3.622 in92 mm N/A 15 º N/A 7010 lbf31200 N N/A 13400 lbf59700 N N/A Ceramic N/A CAD Icon (for items table)
3MM308WICRQUM N/A Quadruplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 3.622 in92 mm N/A 25 º N/A 7600 lbf33800 N N/A 12900 lbf57500 N N/A STEEL N/A CAD Icon (for items table)
3MMC308WICRQUM N/A Quadruplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 3.622 in92 mm N/A 25 º N/A 6770 lbf30100 N N/A 12900 lbf57500 N N/A Ceramic N/A CAD Icon (for items table)
2MM308WICRSUL N/A Single N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 0.906 in23 mm N/A 15 º N/A 7800 lbf35000 N N/A 13400 lbf59700 N N/A STEEL N/A CAD Icon (for items table)
2MMC308WICRSUL N/A Single N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 0.906 in23 mm N/A 15 º N/A 7010 lbf31200 N N/A 13400 lbf59700 N N/A Ceramic N/A CAD Icon (for items table)
3MM308WICRSUL N/A Single N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 0.906 in23 mm N/A 25 º N/A 7600 lbf33800 N N/A 12900 lbf57500 N N/A STEEL N/A CAD Icon (for items table)
3MMC308WICRSUL N/A Single N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 0.906 in23 mm N/A 25 º N/A 6770 lbf30100 N N/A 12900 lbf57500 N N/A Ceramic N/A CAD Icon (for items table)
2MM308WICRDUL N/A Duplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 1.811 in46 mm N/A 15 º N/A 7800 lbf35000 N N/A 13400 lbf59700 N N/A STEEL N/A CAD Icon (for items table)
2MMC308WICRDUL N/A Duplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 1.811 in46 mm N/A 15 º N/A 7010 lbf31200 N N/A 13400 lbf59700 N N/A Ceramic N/A CAD Icon (for items table)
3MM308WICRDUL N/A Duplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 1.811 in46 mm N/A 25 º N/A 7600 lbf33800 N N/A 12900 lbf57500 N N/A STEEL N/A CAD Icon (for items table)
3MMC308WICRDUL N/A Duplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 1.811 in46 mm N/A 25 º N/A 6770 lbf30100 N N/A 12900 lbf57500 N N/A Ceramic N/A CAD Icon (for items table)
2MM308WICRTUL N/A Triplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 2.717 in69 mm N/A 15 º N/A 7800 lbf35000 N N/A 13400 lbf59700 N N/A STEEL N/A CAD Icon (for items table)
2MMC308WICRTUL N/A Triplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 2.717 in69 mm N/A 15 º N/A 7010 lbf31200 N N/A 13400 lbf59700 N N/A Ceramic N/A CAD Icon (for items table)
3MM308WICRTUL N/A Triplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 2.717 in69 mm N/A 25 º N/A 7600 lbf33800 N N/A 12900 lbf57500 N N/A STEEL N/A CAD Icon (for items table)
3MMC308WICRTUL N/A Triplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 2.717 in69 mm N/A 25 º N/A 6770 lbf30100 N N/A 12900 lbf57500 N N/A Ceramic N/A CAD Icon (for items table)
2MM308WICRQUL N/A Quadruplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 3.622 in92 mm N/A 15 º N/A 7800 lbf35000 N N/A 13400 lbf59700 N N/A STEEL N/A CAD Icon (for items table)
2MMC308WICRQUL N/A Quadruplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 3.622 in92 mm N/A 15 º N/A 7010 lbf31200 N N/A 13400 lbf59700 N N/A Ceramic N/A CAD Icon (for items table)
3MM308WICRQUL N/A Quadruplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 3.622 in92 mm N/A 25 º N/A 7600 lbf33800 N N/A 12900 lbf57500 N N/A STEEL N/A CAD Icon (for items table)
3MMC308WICRQUL N/A Quadruplex N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 3.622 in92 mm N/A 25 º N/A 6770 lbf30100 N N/A 12900 lbf57500 N N/A Ceramic N/A CAD Icon (for items table)
2MM308WI SUL N/A Single N/A 40 mm N/A 3.543 in90 mm N/A 0.906 in23 mm N/A 0.906 in23 mm N/A 15 º N/A 7800 lbf35000 N N/A 13400 lbf59700 N N/A STEEL N/A CAD Icon (for items table)
2MMV308WICRDUM N/A Duplex N/A 40 mm N/A 3.5433 in90 mm N/A 0.9055 in23 mm N/A 1.811 in46 mm N/A 15 º N/A 7010 lbf31200 N N/A 13400 lbf59700 N N/A STEEL N/A CAD Icon (for items table)
2MM308WICR N/A Single N/A 40 mm N/A 3.5433 in90 mm N/A 0.9055 in23 mm N/A 0.8268 in21 mm N/A 15 º N/A 7800 lbf35000 N N/A 13400 lbf59700 N N/A STEEL N/A CAD Icon (for items table)
2MM9309WICRSUH N/A Single N/A 45 mm N/A 2.677 in68 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 15 º N/A 2960 lbf13200 N N/A 3785 lbf16800 N N/A STEEL N/A CAD Icon (for items table)
2MMC9309WICRSUH N/A Single N/A 45 mm N/A 2.677 in68 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 15 º N/A 2640 lbf11700 N N/A 3785 lbf16800 N N/A Ceramic N/A CAD Icon (for items table)
3MM9309WICRSUH N/A Single N/A 45 mm N/A 2.677 in68 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 25 º N/A 2810 lbf12500 N N/A 3560 lbf15900 N N/A STEEL N/A CAD Icon (for items table)
3MMC9309WICRSUH N/A Single N/A 45 mm N/A 2.677 in68 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 25 º N/A 2500 lbf11100 N N/A 3560 lbf15900 N N/A Ceramic N/A CAD Icon (for items table)
2MV9309WICRSUH N/A Single N/A 45 mm N/A 2.677 in68 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 15 º N/A 2960 lbf13200 N N/A 3785 lbf16800 N N/A STEEL N/A CAD Icon (for items table)
2MVC9309WICRSUH N/A Single N/A 45 mm N/A 2.677 in68 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 15 º N/A 2640 lbf11700 N N/A 3785 lbf16800 N N/A Ceramic N/A CAD Icon (for items table)
Unit of Measure
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