The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.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

Bore (d)

O.D. (D)

Bearing Width

Total Width

Contact Angle

Static Radial Load Rating (C0)

Dynamic Radial Load Rating - 1M Revs (C1)

Ball Type

CAD

3MMC301WICRQUH N/A Quadruplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 1.890 in48 mm N/A 25 º N/A 920 lbf4090 N N/A 2420 lbf10800 N N/A Ceramic N/A
2MM301WICRSUM N/A Single N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 15 º N/A 1070 lbf4750 N N/A 2480 lbf11000 N N/A STEEL N/A
2MMC301WICRSUM N/A Single N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 15 º N/A 950 lbf4230 N N/A 2480 lbf11000 N N/A Ceramic N/A
3MM301WICRSUM N/A Single N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 25 º N/A 1040 lbf4600 N N/A 2420 lbf10800 N N/A STEEL N/A
3MMC301WICRSUM N/A Single N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 25 º N/A 920 lbf4090 N N/A 2420 lbf10800 N N/A Ceramic N/A
2MM301WICRDUM N/A Duplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.945 in24 mm N/A 15 º N/A 1070 lbf4750 N N/A 2480 lbf11000 N N/A STEEL N/A
2MMC301WICRDUM N/A Duplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.945 in24 mm N/A 15 º N/A 950 lbf4230 N N/A 2480 lbf11000 N N/A Ceramic N/A
3MM301WICRDUM N/A Duplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.945 in24 mm N/A 25 º N/A 1040 lbf4600 N N/A 2420 lbf10800 N N/A STEEL N/A
3MMC301WICRDUM N/A Duplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.945 in24 mm N/A 25 º N/A 920 lbf4090 N N/A 2420 lbf10800 N N/A Ceramic N/A
2MM301WICRTUM N/A Triplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 1.417 in36 mm N/A 15 º N/A 1070 lbf4750 N N/A 2480 lbf11000 N N/A STEEL N/A
2MMC301WICRTUM N/A Triplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 1.417 in36 mm N/A 15 º N/A 950 lbf4230 N N/A 2480 lbf11000 N N/A Ceramic N/A
3MM301WICRTUM N/A Triplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 1.417 in36 mm N/A 25 º N/A 1040 lbf4600 N N/A 2420 lbf10800 N N/A STEEL N/A
3MMC301WICRTUM N/A Triplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 1.417 in36 mm N/A 25 º N/A 920 lbf4090 N N/A 2420 lbf10800 N N/A Ceramic N/A
2MM301WICRQUM N/A Quadruplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 1.890 in48 mm N/A 15 º N/A 1070 lbf4750 N N/A 2480 lbf11000 N N/A STEEL N/A
2MMC301WICRQUM N/A Quadruplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 1.890 in48 mm N/A 15 º N/A 950 lbf4230 N N/A 2480 lbf11000 N N/A Ceramic N/A
3MM301WICRQUM N/A Quadruplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 1.890 in48 mm N/A 25 º N/A 1040 lbf4600 N N/A 2420 lbf10800 N N/A STEEL N/A
3MMC301WICRQUM N/A Quadruplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 1.890 in48 mm N/A 25 º N/A 920 lbf4090 N N/A 2420 lbf10800 N N/A Ceramic N/A
2MM301WICRSUL N/A Single N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 15 º N/A 1070 lbf4750 N N/A 2480 lbf11000 N N/A STEEL N/A
2MMC301WICRSUL N/A Single N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 15 º N/A 950 lbf4230 N N/A 2480 lbf11000 N N/A Ceramic N/A
3MM301WICRSUL N/A Single N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 25 º N/A 1040 lbf4600 N N/A 2420 lbf10800 N N/A STEEL N/A
3MMC301WICRSUL N/A Single N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.472 in12 mm N/A 25 º N/A 920 lbf4090 N N/A 2420 lbf10800 N N/A Ceramic N/A
2MM301WICRDUL N/A Duplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.945 in24 mm N/A 15 º N/A 1070 lbf4750 N N/A 2480 lbf11000 N N/A STEEL N/A
2MMC301WICRDUL N/A Duplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.945 in24 mm N/A 15 º N/A 950 lbf4230 N N/A 2480 lbf11000 N N/A Ceramic N/A
3MM301WICRDUL N/A Duplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.945 in24 mm N/A 25 º N/A 1040 lbf4600 N N/A 2420 lbf10800 N N/A STEEL N/A
3MMC301WICRDUL N/A Duplex N/A 12 mm N/A 1.457 in37 mm N/A 0.472 in12 mm N/A 0.945 in24 mm N/A 25 º N/A 920 lbf4090 N N/A 2420 lbf10800 N N/A Ceramic N/A
Unit of Measure
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