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All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Eccentric Solid-Block Mounted Bearings > Eccentric Two-Bolt Pillow Block > Part Number QMSN18J304S  
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Part Number QMSN18J304S, Eccentric Two-Bolt Pillow Block


 



Unit of Measure: Imperial Metric Both

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
QMSN18J304SB
QMSN18J304SC
QMSN18J304SEB
QMSN18J304SEC
QMSN18J304SEM
QMSN18J304SEN
QMSN18J304SEO
QMSN18J304SET
QMSN18J304SM
QMSN18J304SN
QMSN18J304SO
QMSN18J304ST

Locking Style
Eccentric

Housing Construction
Two-Bolt Pillow Block

UPC Code
0883450098427
0883450098434
0883450098458
0883450098465
0883450098472
0883450098489
0883450098496
0883450098502
0883450161008
0883450161367
0883450253666
0883450254052


Dimensions

Dimension A
3.94 in
100 mm

Dimension B
7.87 in
200 mm

Dimension C
4.76 in
121 mm

Dimension D Min
10.98 in
279 mm

Dimension D Max
11.5 in
292 mm

Dimension F
13.58 in
345 mm

Dimension G
3.39 in
86 mm

Dimension H
1.54 in
39 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension K
1.46 in
37 mm

Dimension L
4.29 in
109 mm

Dimension M
2.6 in
66 mm

Dimension R
0.28 in
7 mm

Dimension S
4.06 in
103 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, 411KB)

Secondary Sealing
(PDF, 720KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS


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