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 QAAFX18A308S  

Part Number QAAFX18A308S, Double Concentric Flange Block

    Download PDF Download PDF   
    border="0" Printable Page  
    Email Email This Page  
    Save To Favorites Save To Favorites
  

 




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
QAAFX18A308SB
QAAFX18A308SC
QAAFX18A308SEB
QAAFX18A308SEC
QAAFX18A308SEM
QAAFX18A308SEN
QAAFX18A308SEO
QAAFX18A308SET
QAAFX18A308SM
QAAFX18A308SN
QAAFX18A308SO
QAAFX18A308ST

Locking Style
Double Concentric

Housing Construction
Flange Block

UPC Code
0883450136037
0883450136044
0883450136051
0883450136068
0883450136075
0883450136082
0883450136099
0883450136105
0883450192880
0883450193078
0883450270083
0883450270267


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



 NEW PRODUCT OFFERING 


HPTO34S1-M-Angle-R
PT Tech