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 QAAFMD11A055SB QAAFMD11A055SC QAAFMD11A055SEB QAAFMD11A055SEC QAAFMD11A055SEM QAAFMD11A055SEN QAAFMD11A055SEO QAAFMD11A055SET QAAFMD11A055SM QAAFMD11A055SN QAAFMD11A055SO QAAFMD11A055ST

Locking Style

 N/A Double Concentric

Housing Construction

 N/A Flange Block

Dimensions

Dimension BC

 N/A 7.96 in202.1 mm

Dimension C

 N/A 3.25 in82.6 mm

Dimension D

 N/A 5.43 in137.9 mm

Dimension E

 N/A 5.63 in142.9 mm

Dimension F

 N/A 6.88 in174.8 mm

Dimension H

 N/A 1 in25.4 mm

Dimension J (Bolt Size)

 N/A 0.625 in16 mm

Dimension L Exp

 N/A 3.35 in85.1 mm

Dimension L Fix

 N/A 3.27 in83.1 mm

Dimension M

 N/A 2 in50.8 mm

Dimension N

 N/A 2.63 in66.8 mm

Dimension RAA

 N/A 0.73 in18.5 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 0.25

Y1 - Geometry Factor

 N/A 2.74

Y2 - Geometry Factor

 N/A 4.08

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