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Double Concentric Top Pull Take-Up Block
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Part Number QAATP20A312S
Part Number QAATP20A312S, Double Concentric Top Pull Take-Up 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
22220
Shaft Size
3 3/4
in
Shaft Size Type
Imperial
Locking Style
Double Concentric
Housing Construction
Top Pull Take-Up
Dimensions
Dimension A1
4.76
in
121
mm
Dimension B
4.63
in
117.6
mm
Dimension C
6
in
152.4
mm
Dimension D
11.38
in
289.1
mm
Dimension E
9.25
in
234.9
mm
Dimension F
2.5
in
63.5
mm
Dimension G
3.13
in
79.5
mm
Dimension H
5.5
in
139.7
mm
Dimension J
2.31
in
58.7
mm
Dimension L
11
in
279.4
mm
Dimension M
2.97
in
75.4
mm
Dimension N
4.97
in
126.1
mm
Dimension P
10.5
in
266.7
mm
Dimension Q
1.31
in
33.3
mm
Dimension RAA
0.97
in
24.7
mm
Dimension S
1.38
in
35.1
mm
Dimension TAA
5.94
in
150.8
mm
Dimension U
0.81
in
20.6
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
0.08
in
2.03
mm
Shaft Tolerance
0.0030
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
0.0030
in
0.075
mm
Pre Install Clearance Max
0.0047
in
0.120
mm
VIEW CAD DRAWING
·
3D
·
2D Front View
·
2D Left View
·
2D Sales Drawing
DOWNLOADS
Bearing Life Calculation Tool
Primary Sealing
(PDF, 280KB)
TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS
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