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Unit of Measure

Key Dimensions

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 3 3/16 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A TAFNL18K303SB TAFNL18K303SC TAFNL18K303SEB TAFNL18K303SEC TAFNL18K303SEM TAFNL18K303SEN TAFNL18K303SEO TAFNL18K303SET TAFNL18K303SM TAFNL18K303SN TAFNL18K303SO TAFNL18K303ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Four-Bolt Square Flange

UPC Code

 N/A 0883450382205 0883450382212 0883450382229 0883450382236 0883450382243 0883450382250 0883450382267 0883450382274 0883450382281 0883450382298 0883450382304 0883450382311

Other Dimensions

Dimension A1

 N/A 11.12 in282 mm

Dimension BC

 N/A 9.47 in240.5 mm

Dimension C

 N/A 4.71 in119.6 mm

Dimension D

 N/A 7.48 in190 mm

Dimension E

 N/A 6.69 in169.9 mm

Dimension F

 N/A 8.27 in210 mm

Dimension H

 N/A 0.98 in24.9 mm

Dimension J (Bolt Size)

 N/A 0.709 in18 mm

Dimension L Fix

 N/A 3.44 in87.4 mm

Dimension M

 N/A 2.05 in52.1 mm

Dimension N

 N/A 2.88 in73.1 mm

Dimension S

 N/A 3.39 in86.1 mm

Radial and Thrust Factors

C0 - Static Load

 N/A 87200 lbf388000 N

C - Dynamic Load (Basic)

 N/A 79700 lbf355000 N

e - Geometry Factor

 N/A 0.28

Y1 - Geometry Factor

 N/A 2.43

Y2 - Geometry Factor

 N/A 3.61

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 700 rpm

Oil Lubrication - T Seal

 N/A 1500 rpm

Oil Lubrication - B/C/O Seal

 N/A 400 rpm

Grease Lubrication - M/N Seal

 N/A 700 rpm

Grease Lubrication - T Seal

 N/A 1000 rpm

Grease Lubrication - B/C/O Seal

 N/A 400 rpm

Engineering Bearing Attributes

Float

 N/A 0.083 in2.108 mm

Shaft Tolerance

 N/A 0.0040 in0.102 mm

Engineering Internal Radial Clearance

Pre Install Clearance Min

 N/A 0.0063 in0.160 mm

Pre Install Clearance Max

 N/A 0.0079 in0.201 mm