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Unit of Measure

Key Dimensions

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 QMMC20J311SB QMMC20J311SC QMMC20J311SEB QMMC20J311SEC QMMC20J311SEM QMMC20J311SEN QMMC20J311SEO QMMC20J311SET QMMC20J311SM QMMC20J311SN QMMC20J311SO QMMC20J311ST

Locking Style

 N/A Eccentric

Housing Construction

 N/A Cartridge

UPC Code

 N/A 0883450078627 0883450078634 0883450078658 0883450078665 0883450078672 0883450078689 0883450078696 0883450078702 0883450168038 0883450168717 0883450259835 0883450260312

Other 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 K

 N/A 1.63 in41.4 mm

Dimension L Exp

 N/A 5.12 in130 mm

Dimension L Fix

 N/A 5.039 in128 mm

Dimension M

 N/A 2.96 in75.2 mm

Dimension R

 N/A 0.45 in11.4 mm

Dimension S

 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