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Unit of Measure

Specifications

Engineering Group

N/A Mounted Bearing

Bearing Number

N/A 22212

Shaft Size

N/A 55 mm

Shaft Size Type

N/A Metric

Full Timken Part Number

N/A TAFNL12K055S TAFNL12K055SC TAFNL12K055SEB TAFNL12K055SEC TAFNL12K055SEM TAFNL12K055SEN TAFNL12K055SEO TAFNL12K055SET TAFNL12K055SM TAFNL12K055SN TAFNL12K055SO TAFNL12K055ST

Locking Style

N/A Tapered Adapter

Housing Construction

N/A Three-Bolt Triangular Flange

Dimensions

Dimension BC

N/A 7.09 in180 mm

Dimension C

N/A 3.15 in80 mm

Dimension D

N/A 5 in127 mm

Dimension E

N/A 6.14 in155.9 mm

Dimension F

N/A 8.27 in210 mm

Dimension H

N/A 0.59 in15 mm

Dimension J (Bolt Size)

N/A 0.5 in12 mm

Dimension L

N/A 2.67 in67.8 mm

Dimension M

N/A 1.48 in37.5 mm

Dimension N

N/A 2.32 in59 mm

Dimension S

N/A 2.44 in62 mm

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 2.86

Y2 - Geometry Factor

N/A 4.25

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 in1.270 mm

Shaft Tolerance

N/A 0.0015 in0.038 mm

Engineering Internal Radial Clearance

Pre Install Clearance Min

N/A 0.0030 in0.075 mm

Pre Install Clearance Max

N/A 0.0037 in0.094 mm
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