All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Concentric Solid-Block Mounted Bearings > Double Concentric Flange Block > Part Number QAAFX18A304S  

Part Number QAAFX18A304S, Double Concentric Flange Block

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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
QAAFX18A304SB
QAAFX18A304SC
QAAFX18A304SEB
QAAFX18A304SEC
QAAFX18A304SEM
QAAFX18A304SEN
QAAFX18A304SEO
QAAFX18A304SET
QAAFX18A304SM
QAAFX18A304SN
QAAFX18A304SO
QAAFX18A304ST

Locking Style
Double Concentric

Housing Construction
Flange Block

UPC Code
0883450300940
0883450300957
0883450300964
0883450300971
0883450300988
0883450300995
0883450301008
0883450301015
0883450301022
0883450301039
0883450301046
0883450301053


Dimensions

Dimension BC
9.5 in
241.3 mm

Dimension C
5.13 in
130.3 mm

Dimension D
7.63 in
193.8 mm

Dimension E
6.72 in
170.7 mm

Dimension F
8.38 in
212.9 mm

Dimension H
1.31 in
33.3 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension L Exp
4.3 in
109.2 mm

Dimension L Fix
4.22 in
107.2 mm

Dimension M
2.59 in
65.8 mm

Dimension N
3.31 in
84.1 mm

Dimension RAA
0.97 in
24.6 mm

Dimension SAA
5.18 in
131.6 mm

Dimension G
7.375 in
187.33 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



 DOWNLOADS 

Bearing Life Calculation Tool

Primary Sealing
(PDF, 280KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS



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