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Unit of Measure

Specifications

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 QAATP11A055SB QAATP11A055SC QAATP11A055SEB QAATP11A055SEC QAATP11A055SEM QAATP11A055SEN QAATP11A055SEO QAATP11A055SET QAATP11A055SM QAATP11A055SN QAATP11A055SO QAATP11A055ST

Locking Style

 N/A Double Concentric

Housing Construction

 N/A Top Pull Take-Up

Dimensions

Dimension A1

 N/A 3.25 in82.6 mm

Dimension B

 N/A 2.87 in72.8 mm

Dimension C

 N/A 3.25 in82.6 mm

Dimension D

 N/A 7.63 in193.8 mm

Dimension E

 N/A 6-1/4 in158.8 mm

Dimension F

 N/A 1.94 in49.3 mm

Dimension G

 N/A 2.75 in69.9 mm

Dimension H

 N/A 3.5 in88.9 mm

Dimension J

 N/A 1.75 in44.4 mm

Dimension L

 N/A 7.5 in190.6 mm

Dimension M

 N/A 2 in50.8 mm

Dimension N

 N/A 3.49 in88.5 mm

Dimension P

 N/A 7 in177.8 mm

Dimension Q

 N/A 1.06 in26.9 mm

Dimension RAA

 N/A 0.51 in13.1 mm

Dimension S

 N/A 1.12 in28.4 mm

Dimension TAA

 N/A 4 in101.6 mm

Dimension U

 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
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