Aerospace / Military Commercial / Industrial Technical Resources Online Catalog
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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 3/4 in

Shaft Size Type

N/A Imperial

Full Timken Part Number

N/A QMSN20J312SB QMSN20J312SC QMSN20J312SEB QMSN20J312SEC QMSN20J312SEM QMSN20J312SEN QMSN20J312SEO QMSN20J312SET QMSN20J312SM QMSN20J312SN QMSN20J312SO QMSN20J312ST

Locking Style

N/A Eccentric

Housing Construction

N/A Two-Bolt Pillow Block

UPC Code

N/A 0883450307062 0883450307079 0883450307086 0883450307093 0883450307109 0883450307116 0883450307123 0883450307130 0883450307147 0883450307154 0883450307161 0883450307178

Other Dimensions

Dimension A

N/A 4.92 in125 mm

Dimension B

N/A 9.49 in241 mm

Dimension C

N/A 5.98 in152 mm

Dimension D Min

N/A 12.56 in319 mm

Dimension D Max

N/A 14.41 in366 mm

Dimension F

N/A 16.14 in410 mm

Dimension G

N/A 3.98 in101 mm

Dimension H

N/A 1.97 in50 mm

Dimension J (Bolt Size)

N/A 0.875 in24 mm

Dimension K

N/A 1.61 in41 mm

Dimension L

N/A 4.96 in126 mm

Dimension M

N/A 2.95 in75 mm

Dimension R

N/A 0.35 in9 mm

Dimension S

N/A 4.57 in116 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