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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 Two-Bolt Pillow Block > Part Number QAP20A400S  
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Part Number QAP20A400S, Single Concentric Two-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
QAP20A400SB
QAP20A400SC
QAP20A400SEB
QAP20A400SEC
QAP20A400SEM
QAP20A400SEN
QAP20A400SEO
QAP20A400SET
QAP20A400SM
QAP20A400SN
QAP20A400SO
QAP20A400ST

Locking Style
Single Concentric

Housing Construction
Two-Bolt Pillow Block

UPC Code
0883450045704
0883450045711
0883450045735
0883450045742
0883450045759
0883450045766
0883450045773
0883450045780
0883450187978
0883450188135
0883450265478
0883450265638


Dimensions

Dimension A
4.13 in
104.9 mm

Dimension B
8.26 in
209.8 mm

Dimension C
6 in
152.4 mm

Dimension D Min
10.04 in
255 mm

Dimension D Max
12.6 in
320 mm

Dimension F
14.25 in
362 mm

Dimension G
3.73 in
94.7 mm

Dimension H
2 in
50.8 mm

Dimension J (Bolt Size)
1 in
24 mm

Dimension KA
1.63 in
41.4 mm

Dimension L
4.84 in
122.9 mm

Dimension M
2.97 in
75.4 mm

Dimension RA
0.24 in
6.1 mm

Dimension SA
4.6 in
116.8 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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