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 22220

Shaft Size

 N/A 3 1/2 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A TAAPN20K308SB TAAPN20K308SC TAAPN20K308SEB TAAPN20K308SEC TAAPN20K308SEM TAAPN20K308SEN TAAPN20K308SEO TAAPN20K308SET TAAPN20K308SM TAAPN20K308SN TAAPN20K308SO TAAPN20K308ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Two-Bolt Pillow Block

UPC Code

 N/A 0883450133524 0883450133531 0883450133555 0883450133562 0883450133579 0883450133586 0883450133593 0883450133609 0883450197366 0883450197571 0883450274876 0883450275071

Dimensions

Dimension A

 N/A 4.41 in112 mm

Dimension B

 N/A 8.54 in216.9 mm

Dimension C

 N/A 5.12 in130 mm

Dimension D Min

 N/A 10.88 in276.4 mm

Dimension D Max

 N/A 12.88 in327.2 mm

Dimension F

 N/A 14.75 in374.7 mm

Dimension G

 N/A 3.42 in86.9 mm

Dimension H

 N/A 1.53 in38.9 mm

Dimension J (Bolt Size)

 N/A 0.875 in24 mm

Dimension L

 N/A 4.03 in102.4 mm

Dimension MT

 N/A 2.3 in58.4 mm

Dimension RTT

 N/A 0.58 in14.73 mm

Dimension ST

 N/A 4.8 in124.83 mm

Radial and Thrust Factors

C0 - Static Load

 N/A 113000 lbf502000 N

C - Dynamic Load (Basic)

 N/A 97700 lbf435000 N

e - Geometry Factor

 N/A 0.24

Y1 - Geometry Factor

 N/A 2.85

Y2 - Geometry Factor

 N/A 4.24

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 1200 rpm

Oil Lubrication - T Seal

 N/A 2000 rpm

Oil Lubrication - B/C/O Seal

 N/A 900 rpm

Grease Lubrication - M/N Seal

 N/A 1200 rpm

Grease Lubrication - T Seal

 N/A 1600 rpm

Grease Lubrication - B/C/O Seal

 N/A 900 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 0.0043 in0.110 mm

Pre Install Clearance Max

 N/A 0.0055 in0.140 mm