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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22212

Shaft Size Type

 N/A Metric

Full Timken Part Number

 N/A TAPN12K055SB TAPN12K055SC TAPN12K055SEB TAPN12K055SEC TAPN12K055SEM TAPN12K055SEN TAPN12K055SEO TAPN12K055SET TAPN12K055SM TAPN12K055SN TAPN12K055SO TAPN12K055ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Two-Bolt Pillow Block

Dimensions

Dimension A

 N/A 2.756 in

Dimension B

 N/A 5.53 in

Dimension C

 N/A 3.14 in

Dimension D Min

 N/A 7 in

Dimension D Max

 N/A 8.63 in

Dimension F

 N/A 10 in

Dimension G

 N/A 2.38 in

Dimension H

 N/A 1.25 in

Dimension J (Bolt Size)

 N/A 0.625 in

Dimension L

 N/A 2.66 in

Dimension M

 N/A 1.48 in

Dimension S

 N/A 2.44 in

Radial and Thrust Factors

C0 - Static Load

 N/A 39000 lbf174000 N

C - Dynamic Load (Basic)

 N/A 38100 lbf169000 N

e - Geometry Factor

 N/A 0.24

Y1 - Geometry Factor

 N/A 2.84

Y2 - Geometry Factor

 N/A 4.23

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 2000 rpm

Oil Lubrication - T Seal

 N/A 3500 rpm

Oil Lubrication - B/C/O Seal

 N/A 1650 rpm

Grease Lubrication - M/N Seal

 N/A 2000 rpm

Grease Lubrication - T Seal

 N/A 3000 rpm

Grease Lubrication - B/C/O Seal

 N/A 1550 rpm

Engineering Bearing Attributes

Float

 N/A 0.050 in

Shaft Tolerance

 N/A 0.0015 in

Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min

 N/A 0.0030

Eng Internal Radial Clearance - Max

 N/A 0.0037

Pre Install Clearance Min

 N/A 0.0030 in

Pre Install Clearance Max

 N/A 0.0037 in