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Double Concentric Round Flange Block
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All Product Types
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ENGINEERED BEARINGS
>
Mounted Bearings
>
Mounted Solid-Block Spherical Roller Bearings
>
Double Concentric Solid-Block Mounted Bearings
>
Double Concentric Round Flange Block
>
Part Number QAAFXP20A311S
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Part Number QAAFXP20A311S, Double Concentric Round Flange Block
larger image
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
22220
Shaft Size
3 11/16
in
Shaft Size Type
Imperial
Full Timken Part Number
QAAFXP20A311SB
QAAFXP20A311SC
QAAFXP20A311SEB
QAAFXP20A311SEC
QAAFXP20A311SEM
QAAFXP20A311SEN
QAAFXP20A311SEO
QAAFXP20A311SET
QAAFXP20A311SM
QAAFXP20A311SN
QAAFXP20A311SO
QAAFXP20A311ST
Locking Style
Double Concentric
Housing Construction
Round Flange
UPC Code
0883450301664
0883450301671
0883450301688
0883450301695
0883450301701
0883450301718
0883450301725
0883450301732
0883450301749
0883450301756
0883450301763
0883450301770
Dimensions
Dimension BC
11.75
in
298.5
mm
Dimension C
6
in
152.4
mm
Dimension D
8.5
in
215.9
mm
Dimension E
8.31
in
211.1
mm
Dimension F
10.56
in
268.2
mm
Dimension H
1.5
in
38.1
mm
Dimension J (Bolt Size)
0.875
in
24
mm
Dimension L Exp
5.04
in
128
mm
Dimension L Fix
4.96
in
126
mm
Dimension M
2.97
in
75.4
mm
Dimension N
4.06
in
103.1
mm
Dimension RAA
0.97
in
24.6
mm
Dimension SAA
5.92
in
150.4
mm
Dimension G
8.875
in
225.43
mm
Radial and Thrust Factors
C0 - Static Load
113000
lbf
502000
N
C - Dynamic Load (Basic)
97700
lbf
435000
N
e - Geometry Factor
0.24
Y1 - Geometry Factor
2.85
Y2 - Geometry Factor
4.24
Engineering Seal Speed
Oil Lubrication - M/N Seal
1200
rpm
Oil Lubrication - T Seal
2000
rpm
Oil Lubrication - B/C/O Seal
900
rpm
Grease Lubrication - M/N Seal
1200
rpm
Grease Lubrication - T Seal
1600
rpm
Grease Lubrication - B/C/O Seal
900
rpm
Engineering Bearing Attributes
Float
0.083
in
2.108
mm
Shaft Tolerance
0.003
in
0.076
mm
Engineering Internal Radial Clearance
Eng Internal Radial Clearance - Min
0.0030
Eng Internal Radial Clearance - Max
0.0047
Pre Install Clearance Min
0.003
in
0.075
mm
Pre Install Clearance Max
0.0047
in
0.12
mm
VIEW CAD DRAWING
·
3D
·
2D Front View
·
2D Left View
·
2D Sales Drawing
DOWNLOADS
Bearing Life Calculation Tool
Primary Sealing
(PDF, 411KB)
Secondary Sealing
(PDF, 720KB)
TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS
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©
The Timken Company. ©
The Timken Company.
©
The Timken Company.