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 QAAC18A307S  

Part Number QAAC18A307S, 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 7/16 in

Shaft Size Type
Imperial

Full Timken Part Number
QAAC18A307SB
QAAC18A307SC
QAAC18A307SEB
QAAC18A307SEC
QAAC18A307SEM
QAAC18A307SEN
QAAC18A307SEO
QAAC18A307SET
QAAC18A307SM
QAAC18A307SN
QAAC18A307SO
QAAC18A307ST

Locking Style
Double Concentric

Housing Construction
Piloted Flange Cartridge

UPC Code
0883450016100
0883450016117
0883450016131
0883450016148
0883450016155
0883450016162
0883450016179
0883450016186
0883450193566
0883450193757
0883450270755
0883450270922


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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