What's New...

Introducing Quick-Flex® Splined Hub Couplings!
    

Quick-Flex elastomeric couplings are now stocked in select splined hub configurations.
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QMFX18J303S

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Shaft SizeBearing
Designation
3-3/16"22218

QMFX18J303S Dimensions (in)
B.C.CDEFHJKLFixLExpMNRSWT
9.504.767.6306.7208.3801.313/41.444.224.302.593.3100.1904.0323

QMFX18J303S Thrust and Radial Factors
Basic C RatingStatic C0 RatingeY1Y2
68570876800.232.904.31

QMFX18J303S Load Ratings
Life
(Hours)
50
RPM
100
RPM
200
RPM
500
RPM
1000
RPM
1200
RPM
1500
RPM
1800
RPM
2100
RPM
2400
RPM
5000304312471720077152511238811729109691038599169527
10000247172007716307123881006295278910843580547738
2000020077163071324610062817377387237685265426285
500001525112388100627644620958785498520549704775
100000123881006281736209504347754465422840373878

Oil LubricationGrease Lubrication
M/N SealT/ML SealB/C/O SealM/N SealT/ML SealB/C/O Seal
140024001000140020001000

QMFX18J303S Shaft Tolerance
Shaft Tolerance
+0.00 / -0.0030

QMFX18J303S Amount of Float per One Rotation of External housing Nut
Float
0.083