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 QAPX20A400S  

Part Number QAPX20A400S, Single Concentric Four-Bolt Pillow 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
4 in

Shaft Size Type
Imperial

Full Timken Part Number
QAPX20A400SB
QAPX20A400SC
QAPX20A400SEB
QAPX20A400SEC
QAPX20A400SEM
QAPX20A400SEN
QAPX20A400SEO
QAPX20A400SET
QAPX20A400SM
QAPX20A400SN
QAPX20A400SO
QAPX20A400ST
QAPX20A400STHT

Locking Style
Single Concentric

Housing Construction
Four-Bolt Pillow Block


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 KA
1.63 in
41.4 mm

Dimension L
5.71 in
145 mm

Dimension M
2.96 in
75.2 mm

Dimension RA
0.34 in
8.6 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, 280KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS



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