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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 QACMD18A308S  
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Part Number QACMD18A308S, 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

Locking Style
Single Concentric

Housing Construction
Piloted Flange Cartridge


Dimensions

Dimension BC
8.63 in
219.2 mm

Dimension B Exp
2.96 in
75.2 mm

Dimension B Fix
2.88 in
73.2 mm

Dimension C
4.76 in
120.9 mm

Dimension D
7.38 in
187.5 mm

Dimension E
6.1 in
154.9 mm

Dimension F
10.34 in
262.6 mm

Dimension G
7.375 in
187.3 mm

Dimension H
1 in
25.4 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension KA
1.44 in
36.6 mm

Dimension L Exp
4.27 in
108.5 mm

Dimension L Fix
4.19 in
106.4 mm

Dimension M
2.59 in
65.8 mm

Dimension N
1.31 in
33.3 mm

Dimension RA
0.17 in
4.3 mm

Dimension SA
4.02 in
102.1 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 

·  Single Concentric Piloted Flange Cartridge - Dimensional Drawing



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