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Unit of Measure

Key Dimensions

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22215

Shaft Size

 N/A 2 3/4 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QAAPR15A212SB QAAPR15A212SC QAAPR15A212SEB QAAPR15A212SEC QAAPR15A212SEM QAAPR15A212SEN QAAPR15A212SEO QAAPR15A212SET QAAPR15A212SM QAAPR15A212SN QAAPR15A212SO QAAPR15A212ST

Locking Style

 N/A Double Concentric

Housing Construction

 N/A Four-Bolt Pillow Block

UPC Code

 N/A 0883450321778 0883450321785 0883450321792 0883450321808 0883450321815 0883450321822 0883450321839 0883450321846 0883450321853 0883450321860 0883450321877 0883450321884

Other Dimensions

Dimension A

 N/A 3.13 in79.5 mm

Dimension B

 N/A 6.47 in164.3 mm

Dimension C

 N/A 4.29 in109 mm

Dimension D Min

 N/A 8 in203.2 mm

Dimension D Max

 N/A 9.6 in243.8 mm

Dimension E

 N/A 2.13 in54.1 mm

Dimension F

 N/A 10.83 in275.1 mm

Dimension G

 N/A 3.38 in85.9 mm

Dimension H

 N/A 1.16 in29.5 mm

Dimension J (Bolt Size)

 N/A 0.625 in16 mm

Dimension L

 N/A 4.02 in102.1 mm

Dimension M

 N/A 2.37 in60.2 mm

Dimension RAA

 N/A 0.88 in22.4 mm

Dimension SAA

 N/A 4.74 in120.4 mm

Radial and Thrust Factors

C0 - Static Load

 N/A 54100 lbf240000 N

C - Dynamic Load (Basic)

 N/A 49900 lbf222000 N

e - Geometry Factor

 N/A 0.22

Y1 - Geometry Factor

 N/A 3.14

Y2 - Geometry Factor

 N/A 4.67

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 1600 rpm

Oil Lubrication - T Seal

 N/A 2900 rpm

Oil Lubrication - B/C/O Seal

 N/A 1300 rpm

Grease Lubrication - M/N Seal

 N/A 1600 rpm

Grease Lubrication - T Seal

 N/A 2400 rpm

Grease Lubrication - B/C/O Seal

 N/A 1300 rpm

Engineering Bearing Attributes

Float

 N/A 0.083 in2.108 mm

Shaft Tolerance

 N/A 0.0020 in0.051 mm

Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min

 N/A 0.0020

Eng Internal Radial Clearance - Max

 N/A 0.0031

Pre Install Clearance Min

 N/A 0.0020 in0.050 mm

Pre Install Clearance Max

 N/A 0.0031 in0.080 mm