The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 3 1/4 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A TAFNL18K304SB TAFNL18K304SC TAFNL18K304SEB TAFNL18K304SEC TAFNL18K304SEM TAFNL18K304SEN TAFNL18K304SEO TAFNL18K304SET TAFNL18K304SM TAFNL18K304SN TAFNL18K304SO TAFNL18K304ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Flange Block

UPC Code

 N/A 0883450382083 0883450382090 0883450382106 0883450382113 0883450382120 0883450382137 0883450382144 0883450382151 0883450382168 0883450382175 0883450382182 0883450382199

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 G

 N/A 1 in25.4 mm

Dimension L

 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