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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 QAAP20A312ST

Locking Style

N/A Double Concentric

Housing Construction

N/A Two-Bolt Pillow Block

UPC Code

N/A 883450805438

Dimensions

Dimension A

N/A 4.13 in

Dimension B

N/A 8.26 in

Dimension C

N/A 6 in

Dimension D Min

N/A 10.04 in

Dimension D Max

N/A 12.6 in

Dimension F

N/A 14.25 in

Dimension G

N/A 3.73 in

Dimension H

N/A 2 in

Dimension J (Bolt Size)

N/A 1 in

Dimension L

N/A 4.84 in

Dimension M

N/A 2.97 in

Dimension RAA

N/A 1.11 in

Dimension SAA

N/A 5.94 in

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 in

Shaft Tolerance

N/A 0.0030 in

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 in

Pre Install Clearance Max

N/A 0.0047 in