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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 QAFE15A212SBS QAFE15A212SCS QAFE15A212SEBS QAFE15A212SECS QAFE15A212SEMS QAFE15A212SENS QAFE15A212SEOS QAFE15A212SETS QAFE15A212SMS QAFE15A212SNS QAFE15A212SOS QAFE15A212STS

Locking Style

 N/A Single Concentric

Housing Construction

 N/A Flange Block

Other Dimensions

Dimension BC

 N/A 8.48 in215.4 mm

Dimension C

 N/A 4.29 in109 mm

Dimension D

 N/A 6.72 in170.7 mm

Dimension E

 N/A 6 in152.4 mm

Dimension F

 N/A 7.44 in189 mm

Dimension H

 N/A 1.63 in41.3 mm

Dimension J (Bolt Size)

 N/A 0.75 in20 mm

Dimension KA

 N/A 1.25 in31.8 mm

Dimension L Exp

 N/A 4.92 in125 mm

Dimension L Fix

 N/A 4.84 in122.9 mm

Dimension M

 N/A 2.37 in60.2 mm

Dimension N

 N/A 4.06 in103.2 mm

Dimension RA

 N/A 1.22 in30.9 mm

Dimension SA

 N/A 3.62 in91.9 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 3.01

Y2 - Geometry Factor

 N/A 4.48

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 0.002

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