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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 QMPL18J308S  
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Part Number QMPL18J308S, 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 1/2 in

Shaft Size Type
Imperial

Full Timken Part Number
QMPL18J308SB
QMPL18J308SC
QMPL18J308SEB
QMPL18J308SEC
QMPL18J308SEM
QMPL18J308SEN
QMPL18J308SEO
QMPL18J308SET
QMPL18J308SM
QMPL18J308SN
QMPL18J308SO
QMPL18J308ST

Locking Style
Eccentric

Housing Construction
Two-Bolt Pillow Block

UPC Code
0883450088824
0883450088831
0883450088855
0883450088862
0883450088879
0883450088886
0883450088893
0883450088909
0883450155212
0883450155557
0883450250184
0883450250528


Dimensions

Dimension A
3.75 in
95.3 mm

Dimension B
7.69 in
195.3 mm

Dimension C
4.76 in
120.9 mm

Dimension D Min
9.25 in
235 mm

Dimension D Max
10.75 in
273.1 mm

Dimension F
13 in
330.2 mm

Dimension G
3.41 in
86.6 mm

Dimension H
1.88 in
47.8 mm

Dimension J (Bolt Size)
0.875 in
24 mm

Dimension K
1.44 in
36.6 mm

Dimension L
4.3 in
109.2 mm

Dimension M
2.59 in
65.8 mm

Dimension R
0.28 in
7.1 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, 411KB)

Secondary Sealing
(PDF, 720KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS


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