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 TAAFK20K308SB TAAFK20K308SC TAAFK20K308SEB TAAFK20K308SEC TAAFK20K308SEM TAAFK20K308SEN TAAFK20K308SEO TAAFK20K308SET TAAFK20K308SM TAAFK20K308SN TAAFK20K308SO TAAFK20K308ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Flange Block

UPC Code

 N/A 0883450381246 0883450381253 0883450381260 0883450381277 0883450381284 0883450381291 0883450381307 0883450381314 0883450381321 0883450381338 0883450381345 0883450381352

Dimensions

Dimension BC

 N/A 11-3/4 in298.5 mm

Dimension C

 N/A 5.12 in130 mm

Dimension D

 N/A 8.5 in215.9 mm

Dimension E

 N/A 8.31 in211.1 mm

Dimension F

 N/A 10.56 in268.2 mm

Dimension H

 N/A 1.5 in38.1 mm

Dimension J (Bolt Size)

 N/A 0.875 in24 mm

Dimension L Exp

 N/A 4.59 in116.6 mm

Dimension L Fix

 N/A 4.51 in114.6 mm

Dimension MT

 N/A 2.3 in58.4 mm

Dimension N

 N/A 4.06 in103.1 mm

Dimension RTT

 N/A 0.08 in2 mm

Dimension ST

 N/A 4.8 in121.83 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 0.26

Y1 - Geometry Factor

 N/A 2.55

Y2 - Geometry Factor

 N/A 3.80

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