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
3MMC303WICRSUM	N/A Single	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 0.551 in14 mm	N/A 25 º	N/A 1420 lbf6300 N	N/A 3690 lbf16400 N	N/A Ceramic	N/A
2MM303WICRDUM	N/A Duplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.102 in28 mm	N/A 15 º	N/A 1630 lbf7280 N	N/A 3790 lbf16900 N	N/A STEEL	N/A
2MMC303WICRDUM	N/A Duplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.102 in28 mm	N/A 15 º	N/A 1460 lbf6480 N	N/A 3790 lbf16900 N	N/A Ceramic	N/A
3MM303WICRDUM	N/A Duplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.102 in28 mm	N/A 25 º	N/A 1600 lbf7100 N	N/A 3690 lbf16400 N	N/A STEEL	N/A
3MMC303WICRDUM	N/A Duplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.102 in28 mm	N/A 25 º	N/A 1420 lbf6300 N	N/A 3690 lbf16400 N	N/A Ceramic	N/A
2MM303WICRTUM	N/A Triplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.654 in42 mm	N/A 15 º	N/A 1630 lbf7280 N	N/A 3790 lbf16900 N	N/A STEEL	N/A
2MMC303WICRTUM	N/A Triplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.654 in42 mm	N/A 15 º	N/A 1460 lbf6480 N	N/A 3790 lbf16900 N	N/A Ceramic	N/A
3MM303WICRTUM	N/A Triplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.654 in42 mm	N/A 25 º	N/A 1600 lbf7100 N	N/A 3690 lbf16400 N	N/A STEEL	N/A
3MMC303WICRTUM	N/A Triplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.654 in42 mm	N/A 25 º	N/A 1420 lbf6300 N	N/A 3690 lbf16400 N	N/A Ceramic	N/A
2MM303WICRQUM	N/A Quadruplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 2.205 in56 mm	N/A 15 º	N/A 1630 lbf7280 N	N/A 3790 lbf16900 N	N/A STEEL	N/A
2MMC303WICRQUM	N/A Quadruplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 2.205 in56 mm	N/A 15 º	N/A 1460 lbf6480 N	N/A 3790 lbf16900 N	N/A Ceramic	N/A
3MM303WICRQUM	N/A Quadruplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 2.205 in56 mm	N/A 25 º	N/A 1600 lbf7100 N	N/A 3690 lbf16400 N	N/A STEEL	N/A
3MMC303WICRQUM	N/A Quadruplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 2.205 in56 mm	N/A 25 º	N/A 1420 lbf6300 N	N/A 3690 lbf16400 N	N/A Ceramic	N/A
2MM303WICRSUL	N/A Single	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 0.551 in14 mm	N/A 15 º	N/A 1630 lbf7280 N	N/A 3790 lbf16900 N	N/A STEEL	N/A
2MMC303WICRSUL	N/A Single	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 0.551 in14 mm	N/A 15 º	N/A 1460 lbf6480 N	N/A 3790 lbf16900 N	N/A Ceramic	N/A
3MM303WICRSUL	N/A Single	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 0.551 in14 mm	N/A 25 º	N/A 1600 lbf7100 N	N/A 3690 lbf16400 N	N/A STEEL	N/A
3MMC303WICRSUL	N/A Single	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 0.551 in14 mm	N/A 25 º	N/A 1420 lbf6300 N	N/A 3690 lbf16400 N	N/A Ceramic	N/A
2MM303WICRDUL	N/A Duplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.102 in28 mm	N/A 15 º	N/A 1630 lbf7280 N	N/A 3790 lbf16900 N	N/A STEEL	N/A
2MMC303WICRDUL	N/A Duplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.102 in28 mm	N/A 15 º	N/A 1460 lbf6480 N	N/A 3790 lbf16900 N	N/A Ceramic	N/A
3MM303WICRDUL	N/A Duplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.102 in28 mm	N/A 25 º	N/A 1600 lbf7100 N	N/A 3690 lbf16400 N	N/A STEEL	N/A
3MMC303WICRDUL	N/A Duplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.102 in28 mm	N/A 25 º	N/A 1420 lbf6300 N	N/A 3690 lbf16400 N	N/A Ceramic	N/A
2MM303WICRTUL	N/A Triplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.654 in42 mm	N/A 15 º	N/A 1630 lbf7280 N	N/A 3790 lbf16900 N	N/A STEEL	N/A
2MMC303WICRTUL	N/A Triplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.654 in42 mm	N/A 15 º	N/A 1460 lbf6480 N	N/A 3790 lbf16900 N	N/A Ceramic	N/A
3MM303WICRTUL	N/A Triplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.654 in42 mm	N/A 25 º	N/A 1600 lbf7100 N	N/A 3690 lbf16400 N	N/A STEEL	N/A
3MMC303WICRTUL	N/A Triplex	N/A 17 mm	N/A 1.850 in47 mm	N/A 0.551 in14 mm	N/A 1.654 in42 mm	N/A 25 º	N/A 1420 lbf6300 N	N/A 3690 lbf16400 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

3MMC303WICRSUM

N/A Single

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 25 º

N/A 1420 lbf6300 N

N/A 3690 lbf16400 N

N/A Ceramic

N/A

2MM303WICRDUM

N/A Duplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.102 in28 mm

N/A 15 º

N/A 1630 lbf7280 N

N/A 3790 lbf16900 N

N/A STEEL

N/A

2MMC303WICRDUM

N/A Duplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.102 in28 mm

N/A 15 º

N/A 1460 lbf6480 N

N/A 3790 lbf16900 N

N/A Ceramic

N/A

3MM303WICRDUM

N/A Duplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.102 in28 mm

N/A 25 º

N/A 1600 lbf7100 N

N/A 3690 lbf16400 N

N/A STEEL

N/A

3MMC303WICRDUM

N/A Duplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.102 in28 mm

N/A 25 º

N/A 1420 lbf6300 N

N/A 3690 lbf16400 N

N/A Ceramic

N/A

2MM303WICRTUM

N/A Triplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.654 in42 mm

N/A 15 º

N/A 1630 lbf7280 N

N/A 3790 lbf16900 N

N/A STEEL

N/A

2MMC303WICRTUM

N/A Triplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.654 in42 mm

N/A 15 º

N/A 1460 lbf6480 N

N/A 3790 lbf16900 N

N/A Ceramic

N/A

3MM303WICRTUM

N/A Triplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.654 in42 mm

N/A 25 º

N/A 1600 lbf7100 N

N/A 3690 lbf16400 N

N/A STEEL

N/A

3MMC303WICRTUM

N/A Triplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.654 in42 mm

N/A 25 º

N/A 1420 lbf6300 N

N/A 3690 lbf16400 N

N/A Ceramic

N/A

2MM303WICRQUM

N/A Quadruplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 2.205 in56 mm

N/A 15 º

N/A 1630 lbf7280 N

N/A 3790 lbf16900 N

N/A STEEL

N/A

2MMC303WICRQUM

N/A Quadruplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 2.205 in56 mm

N/A 15 º

N/A 1460 lbf6480 N

N/A 3790 lbf16900 N

N/A Ceramic

N/A

3MM303WICRQUM

N/A Quadruplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 2.205 in56 mm

N/A 25 º

N/A 1600 lbf7100 N

N/A 3690 lbf16400 N

N/A STEEL

N/A

3MMC303WICRQUM

N/A Quadruplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 2.205 in56 mm

N/A 25 º

N/A 1420 lbf6300 N

N/A 3690 lbf16400 N

N/A Ceramic

N/A

2MM303WICRSUL

N/A Single

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 15 º

N/A 1630 lbf7280 N

N/A 3790 lbf16900 N

N/A STEEL

N/A

2MMC303WICRSUL

N/A Single

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 15 º

N/A 1460 lbf6480 N

N/A 3790 lbf16900 N

N/A Ceramic

N/A

3MM303WICRSUL

N/A Single

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 25 º

N/A 1600 lbf7100 N

N/A 3690 lbf16400 N

N/A STEEL

N/A

3MMC303WICRSUL

N/A Single

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 25 º

N/A 1420 lbf6300 N

N/A 3690 lbf16400 N

N/A Ceramic

N/A

2MM303WICRDUL

N/A Duplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.102 in28 mm

N/A 15 º

N/A 1630 lbf7280 N

N/A 3790 lbf16900 N

N/A STEEL

N/A

2MMC303WICRDUL

N/A Duplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.102 in28 mm

N/A 15 º

N/A 1460 lbf6480 N

N/A 3790 lbf16900 N

N/A Ceramic

N/A

3MM303WICRDUL

N/A Duplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.102 in28 mm

N/A 25 º

N/A 1600 lbf7100 N

N/A 3690 lbf16400 N

N/A STEEL

N/A

3MMC303WICRDUL

N/A Duplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.102 in28 mm

N/A 25 º

N/A 1420 lbf6300 N

N/A 3690 lbf16400 N

N/A Ceramic

N/A

2MM303WICRTUL

N/A Triplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.654 in42 mm

N/A 15 º

N/A 1630 lbf7280 N

N/A 3790 lbf16900 N

N/A STEEL

N/A

2MMC303WICRTUL

N/A Triplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.654 in42 mm

N/A 15 º

N/A 1460 lbf6480 N

N/A 3790 lbf16900 N

N/A Ceramic

N/A

3MM303WICRTUL

N/A Triplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.654 in42 mm

N/A 25 º

N/A 1600 lbf7100 N

N/A 3690 lbf16400 N

N/A STEEL

N/A

3MMC303WICRTUL

N/A Triplex

N/A 17 mm

N/A 1.850 in47 mm

N/A 0.551 in14 mm

N/A 1.654 in42 mm

N/A 25 º

N/A 1420 lbf6300 N

N/A 3690 lbf16400 N

N/A Ceramic

N/A