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Unit of Measure

Specifications

Engineering Group

N/A Mounted Bearing

Bearing Number

N/A 22220

Shaft Size

N/A 3 3/4 in

Shaft Size Type

N/A Imperial

Full Timken Part Number

N/A QMPF20J312SB QMPF20J312SC QMPF20J312SEB QMPF20J312SEC QMPF20J312SEM QMPF20J312SEN QMPF20J312SEO QMPF20J312SET QMPF20J312SM QMPF20J312SN QMPF20J312SO QMPF20J312ST

Locking Style

N/A Eccentric

Housing Construction

N/A Four-Bolt Pillow Block

UPC Code

N/A 0883450084925 0883450084932 0883450084956 0883450084963 0883450084970 0883450084987 0883450084994 0883450085007 0883450155830 0883450156561 0883450250771 0883450251198

Dimensions

Dimension A

N/A 4.25 in108 mm

Dimension B

N/A 8.78 in223 mm

Dimension C

N/A 6 in152.4 mm

Dimension D Min

N/A 10.88 in276.4 mm

Dimension D Max

N/A 13.38 in339.9 mm

Dimension E

N/A 2.25 in57.2 mm

Dimension F

N/A 14.88 in378 mm

Dimension G

N/A 4.31 in109.5 mm

Dimension H

N/A 1.4 in35.6 mm

Dimension J (Bolt Size)

N/A 0.75 in20 mm

Dimension K

N/A 1.63 in41.4 mm

Dimension L

N/A 5.13 in130.3 mm

Dimension M

N/A 2.96 in75.2 mm

Dimension R

N/A 0.36 in9.1 mm

Dimension S

N/A 4.59 in116.6 mm

Radial and Thrust Factors

C0 - Static Load

N/A 113000 lbf502000 N

C - Dynamic Load (Basic)

N/A 97700 lbf435000 N

e - Geometry Factor

N/A 0.24

Y1 - Geometry Factor

N/A 2.85

Y2 - Geometry Factor

N/A 4.24

Engineering Seal Speed

Oil Lubrication - M/N Seal

N/A 1200 rpm

Oil Lubrication - T Seal

N/A 2000 rpm

Oil Lubrication - B/C/O Seal

N/A 900 rpm

Grease Lubrication - M/N Seal

N/A 1200 rpm

Grease Lubrication - T Seal

N/A 1600 rpm

Grease Lubrication - B/C/O Seal

N/A 900 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 0.0030

Eng Internal Radial Clearance - Max

N/A 0.0047

Pre Install Clearance Min

N/A 0.0030 in0.075 mm

Pre Install Clearance Max

N/A 0.0047 in0.120 mm
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