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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 QAAFY20A311SEM QAAFY20A311SM

Locking Style

N/A Double Concentric

Housing Construction

N/A Round Flange

UPC Code

N/A 883450851336 883450851343

Dimensions

Dimension BC

N/A 10.75 in273.1 mm

Dimension C

N/A 6 in152.4 mm

Dimension D

N/A 8.38 in212.9 mm

Dimension E

N/A 7.6 in193 mm

Dimension F

N/A 12.63 in320.8 mm

Dimension H

N/A 1.13 in28.7 mm

Dimension J (Bolt Size)

N/A 1 in24 mm

Dimension L Exp

N/A 4.95 in125.7 mm

Dimension L Fix

N/A 4.87 in123.7 mm

Dimension M

N/A 2.97 in75.4 mm

Dimension N

N/A 3.81 in96.8 mm

Dimension RAA

N/A 1.05 in26.7 mm

Dimension SAA

N/A 5.92 in150.4 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 0.0030

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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