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Unit of Measure

Specifications

Engineering Group

N/A Mounted Bearing

Bearing Number

N/A 22220

Shaft Size

N/A 3 11/16 in

Shaft Size Type

N/A Imperial

Full Timken Part Number

N/A QAMC20A311SB QAMC20A311SC QAMC20A311SEB QAMC20A311SEC QAMC20A311SEM QAMC20A311SEN QAMC20A311SEO QAMC20A311SET QAMC20A311SM QAMC20A311SN QAMC20A311SO QAMC20A311ST

Locking Style

N/A Single Concentric

Housing Construction

N/A Cartridge

Dimensions

Dimension A

N/A 0.78 in19.8 mm

Dimension B

N/A 1.28 in32.5 mm

Dimension C

N/A 6 in152.4 mm

Dimension D

N/A 0.31 in7.9 mm

Dimension F

N/A 8.1250 in206.4 mm

Dimension G

N/A 4.14 in105.2 mm

Dimension KA

N/A 1.63 in41.4 mm

Dimension L Exp

N/A 5.13 in130.3 mm

Dimension L Fix

N/A 5.05 in128.3 mm

Dimension M

N/A 2.97 in75.4 mm

Dimension RA

N/A 0.45 in11.4 mm

Dimension SA

N/A 4.59 in116.6 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
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