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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 Piloted Flange Cartridge > Part Number QACW18A304S  
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Part Number QACW18A304S, Single Concentric Piloted Flange Cartridge



 



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

22218

Shaft Size

3 1/4 in

Shaft Size Type

Imperial

Full Timken Part Number

QACW18A304SB
QACW18A304SC

QACW18A304SEB

QACW18A304SEC

QACW18A304SEM

QACW18A304SEN

QACW18A304SEO

QACW18A304SET

QACW18A304SM

QACW18A304SN

QACW18A304SO

QACW18A304ST

Locking Style

Single Concentric

Housing Construction

Piloted Flange Cartridge

UPC Code

0883450325264
0883450325271

0883450325288

0883450325295

0883450325301

0883450325318

0883450325325

0883450325332

0883450325349

0883450325356

0883450325363

0883450325370


Dimensions

Dimension BC

8.63 in
219.2
mm

Dimension B Exp

2.54 in
64.5
mm

Dimension B Fix

2.46 in
62.5
mm

Dimension C

5.13 in
130.3
mm

Dimension D

7.13 in
181.1
mm

Dimension E

6.1 in
154.9
mm

Dimension F

10.2500 in
260.4
mm

Dimension G

7.375 in
187.3
mm

Dimension H

0.88 in
22.4
mm

Dimension J (Bolt Size)

0.75 in
20
mm

Dimension KA

1.44 in
36.6
mm

Dimension L Exp

4.42 in
112.3
mm

Dimension L Fix

4.34 in
110.2
mm

Dimension M

2.59 in
65.8
mm

Dimension N

1.88 in
47.8
mm

Dimension RA

0.3 in
7.6
mm

Dimension SA

4.03 in
102.4
mm


Radial and Thrust Factors

C0 - Static Load

87200 lbf
388000
N

C - Dynamic Load (Basic)

79700 lbf
355000
N

e - Geometry Factor

0.23

Y1 - Geometry Factor

2.90

Y2 - Geometry Factor

4.31


Engineering Seal Speed

Oil Lubrication - M/N Seal

1400 rpm

Oil Lubrication - T Seal

2400 rpm

Oil Lubrication - B/C/O Seal

1000 rpm

Grease Lubrication - M/N Seal

1400 rpm

Grease Lubrication - T Seal

2000 rpm

Grease Lubrication - B/C/O Seal

1000 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

0.0024

Eng Internal Radial Clearance - Max

0.0039

Pre Install Clearance Min

0.0024 in
0.060
mm

Pre Install Clearance Max

0.0039 in
0.100
mm


 MORE IMAGES 

·  Single Concentric Piloted Flange Cartridge - Dimensional Drawing



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