The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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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 QAAP11A055SB QAAP11A055SC QAAP11A055SEB QAAP11A055SEC QAAP11A055SEM QAAP11A055SEN QAAP11A055SEO QAAP11A055SET QAAP11A055SM QAAP11A055SN QAAP11A055SO QAAP11A055ST

Locking Style

 N/A Double Concentric

Housing Construction

 N/A Two-Bolt Pillow Block

UPC Code

 N/A 0883450286060 0883450286077 0883450318792 0883450318808 0883450318815 0883450318822 0883450318839 0883450318846 0883450318853 0883450318860 0883450318877 0883450318884

Dimensions

Dimension A

 N/A 2.5 in63.5 mm

Dimension B

 N/A 5.25 in133.4 mm

Dimension C

 N/A 3.25 in82.6 mm

Dimension D Min

 N/A 6.5 in165.1 mm

Dimension D Max

 N/A 7.88 in200.2 mm

Dimension F

 N/A 9.63 in244.6 mm

Dimension G

 N/A 2.63 in66.8 mm

Dimension H

 N/A 1.25 in31.8 mm

Dimension J (Bolt Size)

 N/A 0.625 in16 mm

Dimension L

 N/A 3.32 in84.3 mm

Dimension M

 N/A 2 in50.8 mm

Dimension RAA

 N/A 0.69 in17.5 mm

Dimension SAA

 N/A 4 in101.6 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