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 QAAF20A315SB QAAF20A315SC QAAF20A315SEB QAAF20A315SEC QAAF20A315SEM QAAF20A315SEN QAAF20A315SEO QAAF20A315SET QAAF20A315SM QAAF20A315SN QAAF20A315SO QAAF20A315ST

Locking Style

 N/A Double Concentric

Housing Construction

 N/A Flange Block

UPC Code

 N/A 0883450019804 0883450019811 0883450019835 0883450019842 0883450019859 0883450019866 0883450019873 0883450019880 0883450191081 0883450191258 0883450268448 0883450268615

Dimensions

Dimension BC

 N/A 10.96 in278.4 mm

Dimension C

 N/A 6 in152.4 mm

Dimension D

 N/A 8.75 in222.3 mm

Dimension E

 N/A 7 3/4 in196.9 mm

Dimension F

 N/A 9.97 in253.2 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 5.04 in128 mm

Dimension L Fix

 N/A 4.96 in126 mm

Dimension M

 N/A 2.97 in75.4 mm

Dimension N

 N/A 4.06 in103.1 mm

Dimension RAA

 N/A 0.95 in24.1 mm

Dimension SAA

 N/A 5.92 in150.4 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 2.84

Y2 - Geometry Factor

 N/A 4.23

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 0.0030 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