Aerospace / Military
Aerospace Series General Aviation Rod Ends Spherical Bearings Mil Spec Series Rod Ends Spherical Bearings Bushings Approved Part Numbers
Commercial / Industrial
Rod End Bearings Inch Rod Ends Metric Rod Ends Spherical Bearings Inch Spherical Bearings Metric Spherical Bearings
Technical Resources
Terms and Definitions Articles Technical Data FAQs Key Term Translation Custom Engineered Products
Online Catalog
Engineers power search our entire catalog of bearing and bushings, with access to every attribute and technical specification possible. View our online catalog...
Request Information
 
Unit of Measure

Key Dimensions

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22220

Shaft Size

 N/A 3 3/4 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QAAF20A312SB QAAF20A312SC QAAF20A312SEB QAAF20A312SEC QAAF20A312SEM QAAF20A312SEN QAAF20A312SEO QAAF20A312SET QAAF20A312SM QAAF20A312SN QAAF20A312SO QAAF20A312ST

Locking Style

 N/A Double Concentric

Housing Construction

 N/A Flange Block

Other 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 7.75 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