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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 Four-Bolt Pillow Block > Part Number QAPF20A400S  
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Part Number QAPF20A400S, Single 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
4 in

Shaft Size Type
Imperial

Full Timken Part Number
QAPF20A400SB
QAPF20A400SC
QAPF20A400SEB
QAPF20A400SEC
QAPF20A400SEM
QAPF20A400SEN
QAPF20A400SEO
QAPF20A400SET
QAPF20A400SM
QAPF20A400SN
QAPF20A400SO
QAPF20A400ST
QAPF20A400STHT

Locking Style
Single Concentric

Housing Construction
Four-Bolt Pillow Block

UPC Code
0883450046800
0883450046817
0883450046831
0883450046848
0883450046855
0883450046862
0883450046879
0883450046886
0883450189361
0883450189477
0883450266703
0883450266819
0883450959544


Dimensions

Dimension A
4.25 in
108 mm

Dimension B
8.78 in
223 mm

Dimension C
6 in
152.4 mm

Dimension D Min
10.88 in
276.4 mm

Dimension D Max
13.38 in
339.9 mm

Dimension E
2-1/4 in
57.2 mm

Dimension F
14.88 in
378 mm

Dimension G
4.31 in
109.5 mm

Dimension H
1.4 in
35.6 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension KA
1.63 in
41.4 mm

Dimension L
5.13 in
130.3 mm

Dimension M
2.97 in
75.4 mm

Dimension RA
0.35 in
8.9 mm

Dimension SA
4.59 in
116.6 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
0.083 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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