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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 QASN20A311SB QASN20A311SC QASN20A311SEB QASN20A311SEC QASN20A311SEM QASN20A311SEN QASN20A311SEO QASN20A311SET QASN20A311SM QASN20A311SN QASN20A311SO QASN20A311ST

Locking Style

 N/A Single Concentric

Housing Construction

 N/A Two-Bolt Pillow Block

UPC Code

 N/A 883450355599 883450355605 883450355612 883450355629 883450355636 883450355643 883450355650 883450355667 883450355674 883450355681 883450355698 883450355704

Dimensions

Dimension A

 N/A 4.92 in125 mm

Dimension B

 N/A 9.49 in241 mm

Dimension C

 N/A 5.98 in152 mm

Dimension D Min

 N/A 12.56 in319 mm

Dimension D Max

 N/A 14.41 in366 mm

Dimension F

 N/A 16.14 in410 mm

Dimension G

 N/A 3.98 in101 mm

Dimension H

 N/A 1.97 in50 mm

Dimension J (Bolt Size)

 N/A 0.875 in24 mm

Dimension KA

 N/A 1.61 in41 mm

Dimension L

 N/A 4.96 in126 mm

Dimension M

 N/A 2.95 in75 mm

Dimension RA

 N/A 0.39 in10 mm

Dimension SA

 N/A 4.61 in117 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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