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Unit of Measure

Specifications

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 QMF20J311SB QMF20J311SC QMF20J311SEB QMF20J311SEC QMF20J311SEM QMF20J311SEN QMF20J311SEO QMF20J311SET QMF20J311SM QMF20J311SN QMF20J311SO QMF20J311ST

Locking Style

N/A Eccentric

Housing Construction

N/A Four-Bolt Square Flange

UPC Code

N/A 0883450068123 0883450068130 0883450068154 0883450068161 0883450068178 0883450068185 0883450068192 0883450068208 0883450161763 0883450162449 0883450254526 0883450255004

Dimensions

Dimension BC

N/A 10.96 in278.4 mm

Dimension C

N/A 6 in152.4 mm

Dimension D

N/A 8.82 in224 mm

Dimension E

N/A 7 3/4 in196.9 mm

Dimension F

N/A 9.97 in253.2 mm

Dimension H

N/A 1 1/2 in38.1 mm

Dimension J (Bolt Size)

N/A 0.875 in24 mm

Dimension K

N/A 1.63 in41.4 mm

Dimension L Exp

N/A 5.05 in128.3 mm

Dimension L Fix

N/A 4.97 in126.2 mm

Dimension M

N/A 2.96 in75.2 mm

Dimension N

N/A 4.06 in103.1 mm

Dimension R

N/A 0.37 in9.4 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 2.84

Y2 - Geometry Factor

N/A 4.23

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 0.003

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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