All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Concentric Solid-Block Mounted Bearings > Double Concentric Piloted Flange Cartridge > Part Number QAAC18A304S  

Part Number QAAC18A304S, Double Concentric Piloted Flange Cartridge

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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
QAAC18A304SB
QAAC18A304SC
QAAC18A304SEB
QAAC18A304SEC
QAAC18A304SEM
QAAC18A304SEN
QAAC18A304SEO
QAAC18A304SET
QAAC18A304SM
QAAC18A304SN
QAAC18A304SO
QAAC18A304ST

Locking Style
Double Concentric

Housing Construction
Piloted Flange Cartridge

UPC Code
0883450035927
0883450036290
0883450036320
0883450036429
0883450051378
0883450051385
0883450051392
0883450051408
0883450051415
0883450051422
0883450051439
0883450051446


Dimensions

Dimension BC
8.63 in
219.2 mm

Dimension C
5.125 in
130.2 mm

Dimension D
7.38 in
187.5 mm

Dimension E
6.1 in
154.9 mm

Dimension B Exp
2.96 in
75.2 mm

Dimension B Fix
2.88 in
73.2 mm

Dimension F
10.34 in
262.6 mm

Dimension H
1 in
25.4 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension M
2.59 in
65.8 mm

Dimension L Exp
4.27 in
108.5 mm

Dimension L Fix
4.19 in
106.4 mm

Dimension RAA
1 in
25.4 mm

Dimension SAA
5.19 in
131.8 mm

Dimension G
7.375 in
187.3 mm

Dimension N
1.31 in
33.3 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
0.060 in
0.0024 mm

Pre Install Clearance Max
0.100 in
0.0039 mm


 MORE IMAGES 

·  Double Concentric Piloted Flange Cartridge - Dimensional Drawing



 DOWNLOADS 

Bearing Life Calculation Tool

Primary Sealing
(PDF, 280KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS



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