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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 QACW18A308S  
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Part Number QACW18A308S, 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 1/2 in

Shaft Size Type
Imperial

Full Timken Part Number
QACW18A308SB
QACW18A308SC
QACW18A308SEB
QACW18A308SEC
QACW18A308SEM
QACW18A308SEN
QACW18A308SEO
QACW18A308SET
QACW18A308SM
QACW18A308SN
QACW18A308SO
QACW18A308ST

Locking Style
Single Concentric

Housing Construction
Piloted Flange Cartridge

UPC Code
0883450037501
0883450037518
0883450037532
0883450037549
0883450037556
0883450037563
0883450037570
0883450037587
0883450193931
0883450194099
0883450271103
0883450271264


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
10-1/4 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



 DOWNLOADS 

Bearing Life Calculation Tool

Eng Seal Temperatures

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS


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