Fafnir® Spindle Angular Contact Ball Bearings (9300WI, 9100WI, 200WI, 300WI) On The Timken Company

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.

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
3MMC311WICRDUH	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
2MM311WICRTUH	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
2MMC311WICRTUH	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
3MM311WICRTUH	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
3MMC311WICRTUH	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
2MM311WICRQUH	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
2MMC311WICRQUH	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
3MM311WICRQUH	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
3MMC311WICRQUH	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
2MM311WICRSUM	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
2MMC311WICRSUM	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
3MM311WICRSUM	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
3MMC311WICRSUM	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
2MM311WICRDUM	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
2MMC311WICRDUM	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
3MM311WICRDUM	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
3MMC311WICRDUM	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
2MM311WICRTUM	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
2MMC311WICRTUM	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
3MM311WICRTUM	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
3MMC311WICRTUM	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
2MM311WICRQUM	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
2MMC311WICRQUM	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
3MM311WICRQUM	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
3MMC311WICRQUM	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

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

3MMC311WICRDUH

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

2MM311WICRTUH

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

2MMC311WICRTUH

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

3MM311WICRTUH

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

3MMC311WICRTUH

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

2MM311WICRQUH

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

2MMC311WICRQUH

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

3MM311WICRQUH

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

3MMC311WICRQUH

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

2MM311WICRSUM

N/A Single

N/A 55 mm

N/A 4.724 in120 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

2MMC311WICRSUM

N/A Single

N/A 55 mm

N/A 4.724 in120 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

3MM311WICRSUM

N/A Single

N/A 55 mm

N/A 4.724 in120 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

3MMC311WICRSUM

N/A Single

N/A 55 mm

N/A 4.724 in120 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

2MM311WICRDUM

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

2MMC311WICRDUM

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

3MM311WICRDUM

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

3MMC311WICRDUM

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

2MM311WICRTUM

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

2MMC311WICRTUM

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

3MM311WICRTUM

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

3MMC311WICRTUM

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

2MM311WICRQUM

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

2MMC311WICRQUM

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

3MM311WICRQUM

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

3MMC311WICRQUM

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