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Unit of Measure

Key Dimensions

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22211

Shaft Size

 N/A 55 mm

Shaft Size Type

 N/A Metric

Full Timken Part Number

 N/A QAATU11A055SB QAATU11A055SC QAATU11A055SEB QAATU11A055SEC QAATU11A055SEM QAATU11A055SEN QAATU11A055SEO QAATU11A055SET QAATU11A055SM QAATU11A055SN QAATU11A055SO QAATU11A055ST

Locking Style

 N/A Double Concentric

Housing Construction

 N/A Take-Up

UPC Code

 N/A 0883450322744 0883450322751 0883450322768 0883450322775 0883450322782 0883450322799 0883450322805 0883450322812 0883450322829 0883450322836 0883450322843 0883450322850

Other Dimensions

Dimension A1

 N/A 2.38 in60.5 mm

Dimension C

 N/A 0.75 in19.1 mm

Dimension D

 N/A 5.25 in133.4 mm

Dimension E

 N/A 4.5 in114.3 mm

Dimension F

 N/A 1.13 in28.7 mm

Dimension G

 N/A 1.19 in30.2 mm

Dimension J

 N/A 3.5 in88.9 mm

Dimension L

 N/A 6.61 in167.9 mm

Dimension M

 N/A 2 in50.8 mm

Dimension N

 N/A 3.22 in81.8 mm

Dimension P

 N/A 3.75 in95.3 mm

Dimension S

 N/A 0.81 in20.6 mm

Radial and Thrust Factors

C0 - Static Load

 N/A 31900 lbf142000 N

C - Dynamic Load (Basic)

 N/A 31400 lbf140000 N

e - Geometry Factor

 N/A 0.23

Y1 - Geometry Factor

 N/A 2.95

Y2 - Geometry Factor

 N/A 4.40

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 2200 rpm

Oil Lubrication - T Seal

 N/A 3800 rpm

Oil Lubrication - B/C/O Seal

 N/A 1600 rpm

Grease Lubrication - M/N Seal

 N/A 2200 rpm

Grease Lubrication - T Seal

 N/A 3200 rpm

Grease Lubrication - B/C/O Seal

 N/A 1600 rpm

Engineering Bearing Attributes

Float

 N/A 0.050 in1.270 mm

Shaft Tolerance

 N/A 0.0015 in0.038 mm

Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min

 N/A 0.0016

Eng Internal Radial Clearance - Max

 N/A 0.0026

Pre Install Clearance Min

 N/A 0.0016 in0.040 mm

Pre Install Clearance Max

 N/A 0.0026 in0.065 mm