All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Eccentric Solid-Block Mounted Bearings > Eccentric Piloted Flange Cartridge > Part Number QMC18J304S  

Part Number QMC18J304S, Eccentric Piloted Flange Cartridge

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Specifications  · Dimensions  · Radial and Thrust Factors  · Engineering Seal Speed  · Engineering Bearing Attributes  · Engineering Internal Radial Clearance

Specifications

Engineering Group
Mounted Bearing

Bearing Number
22218

Shaft Size
3 1/4 in

Shaft Size Type
Imperial

Full Timken Part Number
QMC18J304SB
QMC18J304SC
QMC18J304SEB
QMC18J304SEC
QMC18J304SEM
QMC18J304SEN
QMC18J304SEO
QMC18J304SET
QMC18J304SM
QMC18J304SN
QMC18J304SO
QMC18J304ST

Locking Style
Eccentric

Housing Construction
Piloted Flange Cartridge

UPC Code
0883450060325
0883450060332
0883450060356
0883450060363
0883450060370
0883450060387
0883450060394
0883450060400
0883450165730
0883450166157
0883450257992
0883450258371


Dimensions

Dimension BC
8.63 in
219.2 mm

Dimension B Exp
2.96 in
75.2 mm

Dimension B Fix
2.88 in
73.2 mm

Dimension C
4.76 in
120.9 mm

Dimension D
7.38 in
187.5 mm

Dimension E
6.1 in
154.9 mm

Dimension F
10.34 in
262.6 mm

Dimension G
7.375 in
187.3 mm

Dimension H
1 in
25.4 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension K
1.44 in
36.6 mm

Dimension L Exp
4.27 in
108.5 mm

Dimension L Fix
4.19 in
106.4 mm

Dimension M
2.59 in
65.8 mm

Dimension N
1.31 in
33.3 mm

Dimension R
0.16 in
4.1 mm

Dimension S
4.03 in
102.4 mm


Radial and Thrust Factors

C0 - Static Load
87200 lbf
388000 N

C - Dynamic Load (Basic)
79700 lbf
355000 N

e - Geometry Factor
0.23

Y1 - Geometry Factor
2.90

Y2 - Geometry Factor
4.31


Engineering Seal Speed

Oil Lubrication - M/N Seal
1400 rpm

Oil Lubrication - T Seal
2400 rpm

Oil Lubrication - B/C/O Seal
1000 rpm

Grease Lubrication - M/N Seal
1400 rpm

Grease Lubrication - T Seal
2000 rpm

Grease Lubrication - B/C/O Seal
1000 rpm


Engineering Bearing Attributes

Float
0.083 in
2.108 mm

Shaft Tolerance
0.0030 in
0.076 mm


Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min
0.0024

Eng Internal Radial Clearance - Max
0.0039

Pre Install Clearance Min
0.0024 in
0.060 mm

Pre Install Clearance Max
0.0039 in
0.100 mm



 DOWNLOADS 

Bearing Life Calculation Tool

Primary Sealing
(PDF, 280KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS



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