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All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Concentric Solid-Block Mounted Bearings > Double Concentric Four-Bolt Pillow Block > Part Number QAAPX20A315S  
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Part Number QAAPX20A315S, Double Concentric Four-Bolt Pillow Block


 



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 15/16 in

Shaft Size Type
Imperial

Full Timken Part Number
QAAPX20A315SB
QAAPX20A315SC
QAAPX20A315SEB
QAAPX20A315SEC
QAAPX20A315SEM
QAAPX20A315SEN
QAAPX20A315SEO
QAAPX20A315SET
QAAPX20A315SM
QAAPX20A315SN
QAAPX20A315SO
QAAPX20A315ST

Locking Style
Double Concentric

Housing Construction
Four-Bolt Pillow Block

UPC Code
0883450013710
0883450013734
0883450013789
0883450013796
0883450013802
0883450013819
0883450013826
0883450013840
0883450013895
0883450013901
0883450267717
0883450267939


Dimensions

Dimension A
5 in
127 mm

Dimension B
9.44 in
239.8 mm

Dimension C
6 in
152.4 mm

Dimension D Min
12.5 in
317.5 mm

Dimension D Max
14 in
355.6 mm

Dimension E
3.5 in
88.9 mm

Dimension F
16.75 in
425.5 mm

Dimension G
5.5 in
139.7 mm

Dimension H
1.63 in
41.4 mm

Dimension J (Bolt Size)
0.875 in
24 mm

Dimension L
5.71 in
145 mm

Dimension M
2.96 in
75.2 mm

Dimension RAA
1 in
25.4 mm

Dimension SAA
5.92 in
150.4 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
0.0030 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



 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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