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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 QAATP15A212SB QAATP15A212SC QAATP15A212SEB QAATP15A212SEC QAATP15A212SEM QAATP15A212SEN QAATP15A212SEO QAATP15A212SET QAATP15A212SM QAATP15A212SN QAATP15A212SO QAATP15A212ST

Locking Style

 N/A Double Concentric

Housing Construction

 N/A Top Pull Take-Up

Other Dimensions

Dimension A1

 N/A 3.82 in97 mm

Dimension B

 N/A 3.31 in84.1 mm

Dimension C

 N/A 4.29 in108.9 mm

Dimension D

 N/A 8-1/2 in215.9 mm

Dimension E

 N/A 7.13 in181.1 mm

Dimension F

 N/A 1.94 in49.3 mm

Dimension G

 N/A 3.19 in81 mm

Dimension H

 N/A 3.99 in101.4 mm

Dimension J

 N/A 1.75 in44.4 mm

Dimension L

 N/A 8.5 in215.9 mm

Dimension M

 N/A 2.37 in60.2 mm

Dimension N

 N/A 3.96 in100.7 mm

Dimension P

 N/A 8 in203.2 mm

Dimension Q

 N/A 1.06 in26.9 mm

Dimension RAA

 N/A 0.78 in19.7 mm

Dimension S

 N/A 1.12 in28.4 mm

Dimension TAA

 N/A 4.74 in120.4 mm

Dimension U

 N/A 0.81 in20.6 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 0.08 in2.03 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