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All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Single Concentric Solid-Block Mounted Bearings > Single Concentric Four Bolt Square Flange Block > Part Number QAFL20A315S  
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Part Number QAFL20A315S, Single Concentric Four Bolt Square Flange Block



 



Unit of Measure: Imperial Metric Both

Specifications  · Dimensions  · Radial and Thrust Factors  · Engineering Seal Speed  · Engineering Bearing Attributes  · Engineering Internal Radial Clearance

Specifications

Engineering Group

Mounted Bearing

Bearing Number

22220

Shaft Size

3 15/16 in

Shaft Size Type

Imperial

Full Timken Part Number

QAFL20A315SB
QAFL20A315SC

QAFL20A315SEB

QAFL20A315SEC

QAFL20A315SEM

QAFL20A315SEN

QAFL20A315SEO

QAFL20A315SET

QAFL20A315SM

QAFL20A315SN

QAFL20A315SO

QAFL20A315ST

Locking Style

Single Concentric

Housing Construction

Four-Bolt Square Flange

UPC Code

0883450040808
0883450040815

0883450040839

0883450040846

0883450040853

0883450040860

0883450040877

0883450040884

0883450191425

0883450191586

0883450268783

0883450268943


Dimensions

Dimension BC

10.75 in
273.1
mm

Dimension C

6 in
152.4
mm

Dimension D

8.39 in
213.1
mm

Dimension E

7.6 in
193
mm

Dimension F

9.5 in
241.3
mm

Dimension H

1.5 in
38.1
mm

Dimension J (Bolt Size)

1 in
24
mm

Dimension KA

1.63 in
41.4
mm

Dimension L Exp

5.29 in
134.4
mm

Dimension L Fix

5.21 in
132.3
mm

Dimension M

2.97 in
75.4
mm

Dimension N

4.12 in
104.6
mm

Dimension RA

0.62 in
15.7
mm

Dimension SA

4.59 in
116.6
mm


Radial and Thrust Factors

C0 - Static Load

113000 lbf
502000
N

C - Dynamic Load (Basic)

97700 lbf
435000
N

e - Geometry Factor

0.24

Y1 - Geometry Factor

2.84

Y2 - Geometry Factor

4.23


Engineering Seal Speed

Oil Lubrication - M/N Seal

1200 rpm

Oil Lubrication - T Seal

2000 rpm

Oil Lubrication - B/C/O Seal

900 rpm

Grease Lubrication - M/N Seal

1200 rpm

Grease Lubrication - T Seal

1600 rpm

Grease Lubrication - B/C/O Seal

900 rpm


Engineering Bearing Attributes

Float

0.083 in
2.108
mm

Shaft Tolerance

0.0030 in
0.076
mm


Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min

0.003

Eng Internal Radial Clearance - Max

0.0047

Pre Install Clearance Min

0.0030 in
0.075
mm

Pre Install Clearance Max

0.0047 in
0.120
mm



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