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 15/16 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QATU20A315SB QATU20A315SC QATU20A315SEB QATU20A315SEC QATU20A315SEM QATU20A315SEN QATU20A315SEO QATU20A315SET QATU20A315SM QATU20A315SN QATU20A315SO QATU20A315ST

Locking Style

 N/A Single Concentric

Housing Construction

 N/A Take-Up

UPC Code

 N/A 0883450051002 0883450051019 0883450051033 0883450051040 0883450051057 0883450051064 0883450051071 0883450051088 0883450195294 0883450195454 0883450272476 0883450272643

Dimensions

Dimension A1

 N/A 4.13 in104.9 mm

Dimension C

 N/A 1.13 in28.7 mm

Dimension D

 N/A 9.44 in239.8 mm

Dimension E

 N/A 8.63 in219.2 mm

Dimension F

 N/A 2.13 in54.1 mm

Dimension G

 N/A 2.06 in52.3 mm

Dimension J

 N/A 5.63 in143 mm

Dimension L

 N/A 11.69 in296.9 mm

Dimension KA

 N/A 1.63 in41.4 mm

Dimension M

 N/A 2.97 in75.4 mm

Dimension N

 N/A 4.79 in121.7 mm

Dimension P

 N/A 7 in177.8 mm

Dimension S

 N/A 2.06 in52.3 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 0.08 in2.03 mm

Shaft Tolerance

 N/A 0.0030 in0.076 mm

Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min

 N/A 0.0030

Eng Internal Radial Clearance - Max

 N/A 0.0047

Pre Install Clearance Min

 N/A 0.0030 in0.075 mm

Pre Install Clearance Max

 N/A 0.0047 in0.120 mm