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Unit of Measure

Key Dimensions

Engineering Group

N/A Mounted Bearing

Bearing Number

N/A 22220

Shaft Size

N/A 3 11/16 in

Shaft Size Type

N/A Imperial

Full Timken Part Number

N/A QMPF20J311SB QMPF20J311SC QMPF20J311SEB QMPF20J311SEC QMPF20J311SEM QMPF20J311SEN QMPF20J311SEO QMPF20J311SET QMPF20J311SM QMPF20J311SN QMPF20J311SO QMPF20J311ST

Locking Style

N/A Eccentric

Housing Construction

N/A Four-Bolt Pillow Block

UPC Code

N/A 0883450084826 0883450084833 0883450084857 0883450084864 0883450084871 0883450084888 0883450084895 0883450084901 0883450155823 0883450156554 0883450250764 0883450251181

Other 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