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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 QMP18J303S  
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Part Number QMP18J303S, 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 3/16 in

Shaft Size Type
Imperial

Full Timken Part Number
QMP18J303SB
QMP18J303SC
QMP18J303SEB
QMP18J303SEC
QMP18J303SEM
QMP18J303SEN
QMP18J303SEO
QMP18J303SET
QMP18J303SM
QMP18J303SN
QMP18J303SO
QMP18J303ST

Locking Style
Eccentric

Housing Construction
Two-Bolt Pillow Block

UPC Code
0883450082327
0883450082334
0883450082358
0883450082365
0883450082372
0883450082389
0883450082396
0883450082402
0883450154482
0883450154826
0883450249454
0883450249799


Dimensions

Dimension A
3-3/4 in
95.3 mm

Dimension B
7.69 in
195.3 mm

Dimension C
4.76 in
120.9 mm

Dimension D Min
9.38 in
238.3 mm

Dimension D Max
11.25 in
285.8 mm

Dimension F
13-1/2 in
342.9 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

Eng Seal Temperatures

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS


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