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
2MM312WICRDUH	N/A Duplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 2.441 in62 mm	N/A 15 º	N/A 14300 lbf63500 N	N/A 23200 lbf103100 N	N/A STEEL	N/A
2MMC312WICRDUH	N/A Duplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 2.441 in62 mm	N/A 15 º	N/A 12700 lbf56600 N	N/A 23200 lbf103100 N	N/A Ceramic	N/A
3MM312WICRDUH	N/A Duplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 2.441 in62 mm	N/A 25 º	N/A 13700 lbf61000 N	N/A 22300 lbf99100 N	N/A STEEL	N/A
3MMC312WICRDUH	N/A Duplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 2.441 in62 mm	N/A 25 º	N/A 12200 lbf54400 N	N/A 22300 lbf99100 N	N/A Ceramic	N/A
2MM312WICRTUH	N/A Triplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 3.662 in93 mm	N/A 15 º	N/A 14300 lbf63500 N	N/A 23200 lbf103100 N	N/A STEEL	N/A
2MMC312WICRTUH	N/A Triplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 3.662 in93 mm	N/A 15 º	N/A 12700 lbf56600 N	N/A 23200 lbf103100 N	N/A Ceramic	N/A
3MM312WICRTUH	N/A Triplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 3.662 in93 mm	N/A 25 º	N/A 13700 lbf61000 N	N/A 22300 lbf99100 N	N/A STEEL	N/A
3MMC312WICRTUH	N/A Triplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 3.662 in93 mm	N/A 25 º	N/A 12200 lbf54400 N	N/A 22300 lbf99100 N	N/A Ceramic	N/A
2MM312WICRQUH	N/A Quadruplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 4.882 in124 mm	N/A 15 º	N/A 14300 lbf63500 N	N/A 23200 lbf103100 N	N/A STEEL	N/A
2MMC312WICRQUH	N/A Quadruplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 4.882 in124 mm	N/A 15 º	N/A 12700 lbf56600 N	N/A 23200 lbf103100 N	N/A Ceramic	N/A
3MM312WICRQUH	N/A Quadruplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 4.882 in124 mm	N/A 25 º	N/A 13700 lbf61000 N	N/A 22300 lbf99100 N	N/A STEEL	N/A
3MMC312WICRQUH	N/A Quadruplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 4.882 in124 mm	N/A 25 º	N/A 12200 lbf54400 N	N/A 22300 lbf99100 N	N/A Ceramic	N/A
2MM312WICRSUM	N/A Single	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 1.221 in31 mm	N/A 15 º	N/A 14300 lbf63500 N	N/A 23200 lbf103100 N	N/A STEEL	N/A
2MMC312WICRSUM	N/A Single	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 1.221 in31 mm	N/A 15 º	N/A 12700 lbf56600 N	N/A 23200 lbf103100 N	N/A Ceramic	N/A
3MM312WICRSUM	N/A Single	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 1.221 in31 mm	N/A 25 º	N/A 13700 lbf61000 N	N/A 22300 lbf99100 N	N/A STEEL	N/A
3MMC312WICRSUM	N/A Single	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 1.221 in31 mm	N/A 25 º	N/A 12200 lbf54400 N	N/A 22300 lbf99100 N	N/A Ceramic	N/A
2MM312WICRDUM	N/A Duplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 2.441 in62 mm	N/A 15 º	N/A 14300 lbf63500 N	N/A 23200 lbf103100 N	N/A STEEL	N/A
2MMC312WICRDUM	N/A Duplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 2.441 in62 mm	N/A 15 º	N/A 12700 lbf56600 N	N/A 23200 lbf103100 N	N/A Ceramic	N/A
3MM312WICRDUM	N/A Duplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 2.441 in62 mm	N/A 25 º	N/A 13700 lbf61000 N	N/A 22300 lbf99100 N	N/A STEEL	N/A
3MMC312WICRDUM	N/A Duplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 2.441 in62 mm	N/A 25 º	N/A 12200 lbf54400 N	N/A 22300 lbf99100 N	N/A Ceramic	N/A
2MM312WICRTUM	N/A Triplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 3.662 in93 mm	N/A 15 º	N/A 14300 lbf63500 N	N/A 23200 lbf103100 N	N/A STEEL	N/A
2MMC312WICRTUM	N/A Triplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 3.662 in93 mm	N/A 15 º	N/A 12700 lbf56600 N	N/A 23200 lbf103100 N	N/A Ceramic	N/A
3MM312WICRTUM	N/A Triplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 3.662 in93 mm	N/A 25 º	N/A 13700 lbf61000 N	N/A 22300 lbf99100 N	N/A STEEL	N/A
3MMC312WICRTUM	N/A Triplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 3.662 in93 mm	N/A 25 º	N/A 12200 lbf54400 N	N/A 22300 lbf99100 N	N/A Ceramic	N/A
2MM312WICRQUM	N/A Quadruplex	N/A 60 mm	N/A 5.118 in130 mm	N/A 1.221 in31 mm	N/A 4.882 in124 mm	N/A 15 º	N/A 14300 lbf63500 N	N/A 23200 lbf103100 N	N/A STEEL	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

2MM312WICRDUH

N/A Duplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 2.441 in62 mm

N/A 15 º

N/A 14300 lbf63500 N

N/A 23200 lbf103100 N

N/A STEEL

N/A

2MMC312WICRDUH

N/A Duplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 2.441 in62 mm

N/A 15 º

N/A 12700 lbf56600 N

N/A 23200 lbf103100 N

N/A Ceramic

N/A

3MM312WICRDUH

N/A Duplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 2.441 in62 mm

N/A 25 º

N/A 13700 lbf61000 N

N/A 22300 lbf99100 N

N/A STEEL

N/A

3MMC312WICRDUH

N/A Duplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 2.441 in62 mm

N/A 25 º

N/A 12200 lbf54400 N

N/A 22300 lbf99100 N

N/A Ceramic

N/A

2MM312WICRTUH

N/A Triplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 3.662 in93 mm

N/A 15 º

N/A 14300 lbf63500 N

N/A 23200 lbf103100 N

N/A STEEL

N/A

2MMC312WICRTUH

N/A Triplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 3.662 in93 mm

N/A 15 º

N/A 12700 lbf56600 N

N/A 23200 lbf103100 N

N/A Ceramic

N/A

3MM312WICRTUH

N/A Triplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 3.662 in93 mm

N/A 25 º

N/A 13700 lbf61000 N

N/A 22300 lbf99100 N

N/A STEEL

N/A

3MMC312WICRTUH

N/A Triplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 3.662 in93 mm

N/A 25 º

N/A 12200 lbf54400 N

N/A 22300 lbf99100 N

N/A Ceramic

N/A

2MM312WICRQUH

N/A Quadruplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 4.882 in124 mm

N/A 15 º

N/A 14300 lbf63500 N

N/A 23200 lbf103100 N

N/A STEEL

N/A

2MMC312WICRQUH

N/A Quadruplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 4.882 in124 mm

N/A 15 º

N/A 12700 lbf56600 N

N/A 23200 lbf103100 N

N/A Ceramic

N/A

3MM312WICRQUH

N/A Quadruplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 4.882 in124 mm

N/A 25 º

N/A 13700 lbf61000 N

N/A 22300 lbf99100 N

N/A STEEL

N/A

3MMC312WICRQUH

N/A Quadruplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 4.882 in124 mm

N/A 25 º

N/A 12200 lbf54400 N

N/A 22300 lbf99100 N

N/A Ceramic

N/A

2MM312WICRSUM

N/A Single

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 15 º

N/A 14300 lbf63500 N

N/A 23200 lbf103100 N

N/A STEEL

N/A

2MMC312WICRSUM

N/A Single

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 15 º

N/A 12700 lbf56600 N

N/A 23200 lbf103100 N

N/A Ceramic

N/A

3MM312WICRSUM

N/A Single

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 25 º

N/A 13700 lbf61000 N

N/A 22300 lbf99100 N

N/A STEEL

N/A

3MMC312WICRSUM

N/A Single

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 25 º

N/A 12200 lbf54400 N

N/A 22300 lbf99100 N

N/A Ceramic

N/A

2MM312WICRDUM

N/A Duplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 2.441 in62 mm

N/A 15 º

N/A 14300 lbf63500 N

N/A 23200 lbf103100 N

N/A STEEL

N/A

2MMC312WICRDUM

N/A Duplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 2.441 in62 mm

N/A 15 º

N/A 12700 lbf56600 N

N/A 23200 lbf103100 N

N/A Ceramic

N/A

3MM312WICRDUM

N/A Duplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 2.441 in62 mm

N/A 25 º

N/A 13700 lbf61000 N

N/A 22300 lbf99100 N

N/A STEEL

N/A

3MMC312WICRDUM

N/A Duplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 2.441 in62 mm

N/A 25 º

N/A 12200 lbf54400 N

N/A 22300 lbf99100 N

N/A Ceramic

N/A

2MM312WICRTUM

N/A Triplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 3.662 in93 mm

N/A 15 º

N/A 14300 lbf63500 N

N/A 23200 lbf103100 N

N/A STEEL

N/A

2MMC312WICRTUM

N/A Triplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 3.662 in93 mm

N/A 15 º

N/A 12700 lbf56600 N

N/A 23200 lbf103100 N

N/A Ceramic

N/A

3MM312WICRTUM

N/A Triplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 3.662 in93 mm

N/A 25 º

N/A 13700 lbf61000 N

N/A 22300 lbf99100 N

N/A STEEL

N/A

3MMC312WICRTUM

N/A Triplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 3.662 in93 mm

N/A 25 º

N/A 12200 lbf54400 N

N/A 22300 lbf99100 N

N/A Ceramic

N/A

2MM312WICRQUM

N/A Quadruplex

N/A 60 mm

N/A 5.118 in130 mm

N/A 1.221 in31 mm

N/A 4.882 in124 mm

N/A 15 º

N/A 14300 lbf63500 N

N/A 23200 lbf103100 N

N/A STEEL

N/A