3D CAD and 2D Drawings

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Unit of Measure

Specifications

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 QMMC20J312SB QMMC20J312SC QMMC20J312SEB QMMC20J312SEC QMMC20J312SEM QMMC20J312SEN QMMC20J312SEO QMMC20J312SET QMMC20J312SM QMMC20J312SN QMMC20J312SO QMMC20J312ST

Locking Style

N/A Eccentric

Weight

N/A 14.5 Kg32 lb

Housing Construction

N/A Cartridge

UPC Code

N/A 0883450078726 0883450078733 0883450078757 0883450078764 0883450078771 0883450078788 0883450078795 0883450078801 0883450168045 0883450168724 0883450259842 0883450260329

Dimensions

Dimension A

N/A 0.780 in19.80 mm

Dimension B

N/A 1.28 in32.5 mm

Dimension C

N/A 6.00 in152.4 mm

Dimension D

N/A 0.31 in7.9 mm

Dimension F

N/A 8.1250 in206.40 mm

Dimension G

N/A 4.140 in105.20 mm

Dimension K

N/A 1.63 in41.4 mm

Dimension L Exp

N/A 5.12 in130.0 mm

Dimension L Fix

N/A 5.039 in128.0 mm

Dimension M

N/A 2.96 in75.2 mm

Dimension R

N/A 0.45 in11.4 mm

Dimension S

N/A 4.590 in116.60 mm

Radial and Thrust Factors

C0 - Static Load

N/A 502 kN113000 lb

C - Dynamic Load (Basic)

N/A 435 kN97700 lb

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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