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
2MMC310WICRSUH	N/A Single	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 1.063 in27 mm	N/A 15 º	N/A 9250 lbf41200 N	N/A 17500 lbf77900 N	N/A Ceramic	N/A
3MM310WICRSUH	N/A Single	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 1.063 in27 mm	N/A 25 º	N/A 10000 lbf44700 N	N/A 16900 lbf75100 N	N/A STEEL	N/A
3MMC310WICRSUH	N/A Single	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 1.063 in27 mm	N/A 25 º	N/A 8940 lbf39800 N	N/A 16900 lbf75100 N	N/A Ceramic	N/A
2MM310WICRDUH	N/A Duplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 2.126 in54 mm	N/A 15 º	N/A 10400 lbf46200 N	N/A 17500 lbf77900 N	N/A STEEL	N/A
2MMC310WICRDUH	N/A Duplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 2.126 in54 mm	N/A 15 º	N/A 9250 lbf41200 N	N/A 17500 lbf77900 N	N/A Ceramic	N/A
3MM310WICRDUH	N/A Duplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 2.126 in54 mm	N/A 25 º	N/A 10000 lbf44700 N	N/A 16900 lbf75100 N	N/A STEEL	N/A
3MMC310WICRDUH	N/A Duplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 2.126 in54 mm	N/A 25 º	N/A 8940 lbf39800 N	N/A 16900 lbf75100 N	N/A Ceramic	N/A
2MM310WICRTUH	N/A Triplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 3.189 in81 mm	N/A 15 º	N/A 10400 lbf46200 N	N/A 17500 lbf77900 N	N/A STEEL	N/A
2MMC310WICRTUH	N/A Triplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 3.189 in81 mm	N/A 15 º	N/A 9250 lbf41200 N	N/A 17500 lbf77900 N	N/A Ceramic	N/A
3MM310WICRTUH	N/A Triplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 3.189 in81 mm	N/A 25 º	N/A 10000 lbf44700 N	N/A 16900 lbf75100 N	N/A STEEL	N/A
3MMC310WICRTUH	N/A Triplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 3.189 in81 mm	N/A 25 º	N/A 8940 lbf39800 N	N/A 16900 lbf75100 N	N/A Ceramic	N/A
2MM310WICRQUH	N/A Quadruplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 4.252 in108 mm	N/A 15 º	N/A 10400 lbf46200 N	N/A 17500 lbf77900 N	N/A STEEL	N/A
2MMC310WICRQUH	N/A Quadruplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 4.252 in108 mm	N/A 15 º	N/A 9250 lbf41200 N	N/A 17500 lbf77900 N	N/A Ceramic	N/A
3MM310WICRQUH	N/A Quadruplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 4.252 in108 mm	N/A 25 º	N/A 10000 lbf44700 N	N/A 16900 lbf75100 N	N/A STEEL	N/A
3MMC310WICRQUH	N/A Quadruplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 4.252 in108 mm	N/A 25 º	N/A 8940 lbf39800 N	N/A 16900 lbf75100 N	N/A Ceramic	N/A
2MM310WICRSUM	N/A Single	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 1.063 in27 mm	N/A 15 º	N/A 10400 lbf46200 N	N/A 17500 lbf77900 N	N/A STEEL	N/A
2MMC310WICRSUM	N/A Single	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 1.063 in27 mm	N/A 15 º	N/A 9250 lbf41200 N	N/A 17500 lbf77900 N	N/A Ceramic	N/A
3MM310WICRSUM	N/A Single	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 1.063 in27 mm	N/A 25 º	N/A 10000 lbf44700 N	N/A 16900 lbf75100 N	N/A STEEL	N/A
3MMC310WICRSUM	N/A Single	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 1.063 in27 mm	N/A 25 º	N/A 8940 lbf39800 N	N/A 16900 lbf75100 N	N/A Ceramic	N/A
2MM310WICRDUM	N/A Duplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 2.126 in54 mm	N/A 15 º	N/A 10400 lbf46200 N	N/A 17500 lbf77900 N	N/A STEEL	N/A
2MMC310WICRDUM	N/A Duplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 2.126 in54 mm	N/A 15 º	N/A 9250 lbf41200 N	N/A 17500 lbf77900 N	N/A Ceramic	N/A
3MM310WICRDUM	N/A Duplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 2.126 in54 mm	N/A 25 º	N/A 10000 lbf44700 N	N/A 16900 lbf75100 N	N/A STEEL	N/A
3MMC310WICRDUM	N/A Duplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 2.126 in54 mm	N/A 25 º	N/A 8940 lbf39800 N	N/A 16900 lbf75100 N	N/A Ceramic	N/A
2MM310WICRTUM	N/A Triplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 3.189 in81 mm	N/A 15 º	N/A 10400 lbf46200 N	N/A 17500 lbf77900 N	N/A STEEL	N/A
2MMC310WICRTUM	N/A Triplex	N/A 50 mm	N/A 4.331 in110 mm	N/A 1.0630 in27 mm	N/A 3.189 in81 mm	N/A 15 º	N/A 9250 lbf41200 N	N/A 17500 lbf77900 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

2MMC310WICRSUH

N/A Single

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 1.063 in27 mm

N/A 15 º

N/A 9250 lbf41200 N

N/A 17500 lbf77900 N

N/A Ceramic

N/A

3MM310WICRSUH

N/A Single

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 1.063 in27 mm

N/A 25 º

N/A 10000 lbf44700 N

N/A 16900 lbf75100 N

N/A STEEL

N/A

3MMC310WICRSUH

N/A Single

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 1.063 in27 mm

N/A 25 º

N/A 8940 lbf39800 N

N/A 16900 lbf75100 N

N/A Ceramic

N/A

2MM310WICRDUH

N/A Duplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 2.126 in54 mm

N/A 15 º

N/A 10400 lbf46200 N

N/A 17500 lbf77900 N

N/A STEEL

N/A

2MMC310WICRDUH

N/A Duplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 2.126 in54 mm

N/A 15 º

N/A 9250 lbf41200 N

N/A 17500 lbf77900 N

N/A Ceramic

N/A

3MM310WICRDUH

N/A Duplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 2.126 in54 mm

N/A 25 º

N/A 10000 lbf44700 N

N/A 16900 lbf75100 N

N/A STEEL

N/A

3MMC310WICRDUH

N/A Duplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 2.126 in54 mm

N/A 25 º

N/A 8940 lbf39800 N

N/A 16900 lbf75100 N

N/A Ceramic

N/A

2MM310WICRTUH

N/A Triplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 3.189 in81 mm

N/A 15 º

N/A 10400 lbf46200 N

N/A 17500 lbf77900 N

N/A STEEL

N/A

2MMC310WICRTUH

N/A Triplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 3.189 in81 mm

N/A 15 º

N/A 9250 lbf41200 N

N/A 17500 lbf77900 N

N/A Ceramic

N/A

3MM310WICRTUH

N/A Triplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 3.189 in81 mm

N/A 25 º

N/A 10000 lbf44700 N

N/A 16900 lbf75100 N

N/A STEEL

N/A

3MMC310WICRTUH

N/A Triplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 3.189 in81 mm

N/A 25 º

N/A 8940 lbf39800 N

N/A 16900 lbf75100 N

N/A Ceramic

N/A

2MM310WICRQUH

N/A Quadruplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 4.252 in108 mm

N/A 15 º

N/A 10400 lbf46200 N

N/A 17500 lbf77900 N

N/A STEEL

N/A

2MMC310WICRQUH

N/A Quadruplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 4.252 in108 mm

N/A 15 º

N/A 9250 lbf41200 N

N/A 17500 lbf77900 N

N/A Ceramic

N/A

3MM310WICRQUH

N/A Quadruplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 4.252 in108 mm

N/A 25 º

N/A 10000 lbf44700 N

N/A 16900 lbf75100 N

N/A STEEL

N/A

3MMC310WICRQUH

N/A Quadruplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 4.252 in108 mm

N/A 25 º

N/A 8940 lbf39800 N

N/A 16900 lbf75100 N

N/A Ceramic

N/A

2MM310WICRSUM

N/A Single

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 1.063 in27 mm

N/A 15 º

N/A 10400 lbf46200 N

N/A 17500 lbf77900 N

N/A STEEL

N/A

2MMC310WICRSUM

N/A Single

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 1.063 in27 mm

N/A 15 º

N/A 9250 lbf41200 N

N/A 17500 lbf77900 N

N/A Ceramic

N/A

3MM310WICRSUM

N/A Single

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 1.063 in27 mm

N/A 25 º

N/A 10000 lbf44700 N

N/A 16900 lbf75100 N

N/A STEEL

N/A

3MMC310WICRSUM

N/A Single

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 1.063 in27 mm

N/A 25 º

N/A 8940 lbf39800 N

N/A 16900 lbf75100 N

N/A Ceramic

N/A

2MM310WICRDUM

N/A Duplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 2.126 in54 mm

N/A 15 º

N/A 10400 lbf46200 N

N/A 17500 lbf77900 N

N/A STEEL

N/A

2MMC310WICRDUM

N/A Duplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 2.126 in54 mm

N/A 15 º

N/A 9250 lbf41200 N

N/A 17500 lbf77900 N

N/A Ceramic

N/A

3MM310WICRDUM

N/A Duplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 2.126 in54 mm

N/A 25 º

N/A 10000 lbf44700 N

N/A 16900 lbf75100 N

N/A STEEL

N/A

3MMC310WICRDUM

N/A Duplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 2.126 in54 mm

N/A 25 º

N/A 8940 lbf39800 N

N/A 16900 lbf75100 N

N/A Ceramic

N/A

2MM310WICRTUM

N/A Triplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 3.189 in81 mm

N/A 15 º

N/A 10400 lbf46200 N

N/A 17500 lbf77900 N

N/A STEEL

N/A

2MMC310WICRTUM

N/A Triplex

N/A 50 mm

N/A 4.331 in110 mm

N/A 1.0630 in27 mm

N/A 3.189 in81 mm

N/A 15 º

N/A 9250 lbf41200 N

N/A 17500 lbf77900 N

N/A Ceramic

N/A