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Unit of Measure

Key Dimensions

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22222

Shaft Size

 N/A 4 1/2 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QAAF22A408SBS QAAF22A408SCS QAAF22A408SEBS QAAF22A408SECS QAAF22A408SEMS QAAF22A408SENS QAAF22A408SEOS QAAF22A408SETS QAAF22A408SMS QAAF22A408SNS QAAF22A408SOS QAAF22A408STS

Locking Style

 N/A Double Concentric

Housing Construction

 N/A Four-Bolt Square Flange

Other Dimensions

Dimension BC

 N/A 12.38 in314.5 mm

Dimension C

 N/A 6.13 in155.6 mm

Dimension D

 N/A 10.11 in256.8 mm

Dimension E

 N/A 8.75 in222.3 mm

Dimension F

 N/A 10.88 in276.4 mm

Dimension H

 N/A 2.44 in61.9 mm

Dimension J (Bolt Size)

 N/A 0.875 in24 mm

Dimension L Exp

 N/A 6.86 in174.3 mm

Dimension L Fix

 N/A 6.78 in172.2 mm

Dimension M

 N/A 3.13 in79.5 mm

Dimension N

 N/A 5.65 in143.5 mm

Dimension RAA

 N/A 0.53 in13.3 mm

Dimension SAA

 N/A 6.25 in158.8 mm

Radial and Thrust Factors

C0 - Static Load

 N/A 147000 lbf653000 N

C - Dynamic Load (Basic)

 N/A 125000 lbf555000 N

e - Geometry Factor

 N/A 0.26

Y1 - Geometry Factor

 N/A 2.55

Y2 - Geometry Factor

 N/A 3.8

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 900 rpm

Oil Lubrication - T Seal

 N/A 1700 rpm

Oil Lubrication - B/C/O Seal

 N/A 600 rpm

Grease Lubrication - M/N Seal

 N/A 900 rpm

Grease Lubrication - T Seal

 N/A 1200 rpm

Grease Lubrication - B/C/O Seal

 N/A 600 rpm

Engineering Bearing Attributes

Float

 N/A 0.083 in2.108 mm

Shaft Tolerance

 N/A 0.0050 in0.127 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