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 4 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QAAP20A400SB QAAP20A400SC QAAP20A400SEB QAAP20A400SEC QAAP20A400SEM QAAP20A400SEN QAAP20A400SEO QAAP20A400SET QAAP20A400SM QAAP20A400SN QAAP20A400SO QAAP20A400ST

Locking Style

 N/A Double Concentric

Housing Construction

 N/A Two-Bolt Pillow Block

UPC Code

 N/A 0883450026703 0883450026710 0883450026734 0883450026741 0883450026758 0883450026765 0883450026772 0883450026789 0883450188296 0883450188456 0883450265799 0883450265959

Dimensions

Dimension A

 N/A 4.13 in104.9 mm

Dimension B

 N/A 8.26 in209.8 mm

Dimension C

 N/A 6 in152.4 mm

Dimension D Min

 N/A 10.04 in255 mm

Dimension D Max

 N/A 12.6 in320 mm

Dimension F

 N/A 14.25 in362 mm

Dimension G

 N/A 3.73 in94.7 mm

Dimension H

 N/A 2 in50.8 mm

Dimension J (Bolt Size)

 N/A 1 in24 mm

Dimension L

 N/A 4.84 in122.9 mm

Dimension M

 N/A 2.97 in75.4 mm

Dimension RAA

 N/A 1.11 in28.2 mm

Dimension SAA

 N/A 5.94 in150.9 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 0.0030 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