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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 3 3/16 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QMPL18J303SB QMPL18J303SC QMPL18J303SEB QMPL18J303SEC QMPL18J303SEM QMPL18J303SEN QMPL18J303SEO QMPL18J303SET QMPL18J303SM QMPL18J303SN QMPL18J303SO QMPL18J303ST

Locking Style

 N/A Eccentric

Housing Construction

 N/A Two-Bolt Pillow Block

UPC Code

 N/A 0883450088527 0883450088534 0883450088558 0883450088565 0883450088572 0883450088589 0883450088596 0883450088602 0883450155168 0883450155502 0883450250139 0883450250474

Dimensions

Dimension A

 N/A 3-3/4 in95.3 mm

Dimension B

 N/A 7.69 in195.3 mm

Dimension C

 N/A 4.76 in120.9 mm

Dimension D Min

 N/A 9.25 in235 mm

Dimension D Max

 N/A 10.75 in273.1 mm

Dimension F

 N/A 13 in330.2 mm

Dimension G

 N/A 3.41 in86.6 mm

Dimension H

 N/A 1.88 in47.8 mm

Dimension J (Bolt Size)

 N/A 0.875 in24 mm

Dimension K

 N/A 1.44 in36.6 mm

Dimension L

 N/A 4.3 in109.2 mm

Dimension M

 N/A 2.59 in65.8 mm

Dimension R

 N/A 0.28 in7.1 mm

Dimension S

 N/A 4.03 in102.4 mm

Radial and Thrust Factors

C0 - Static Load

 N/A 87200 lbf388000 N

C - Dynamic Load (Basic)

 N/A 79700 lbf355000 N

e - Geometry Factor

 N/A 0.23

Y1 - Geometry Factor

 N/A 2.90

Y2 - Geometry Factor

 N/A 4.31

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 1400 rpm

Oil Lubrication - T Seal

 N/A 2400 rpm

Oil Lubrication - B/C/O Seal

 N/A 1000 rpm

Grease Lubrication - M/N Seal

 N/A 1400 rpm

Grease Lubrication - T Seal

 N/A 2000 rpm

Grease Lubrication - B/C/O Seal

 N/A 1000 rpm

Engineering Bearing Attributes

Float

 N/A 0.083 in2.108 mm

Shaft Tolerance

 N/A 0.0030 in0.076 mm

Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min

 N/A 0.0024

Eng Internal Radial Clearance - Max

 N/A 0.0039

Pre Install Clearance Min

 N/A 0.0024 in0.060 mm

Pre Install Clearance Max

 N/A 0.0039 in0.100 mm
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