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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 QAPF20A315S  
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Part Number QAPF20A315S, 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
3 15/16 in

Shaft Size Type
Imperial

Full Timken Part Number
QAPF20A315SB
QAPF20A315SC
QAPF20A315SEB
QAPF20A315SEC
QAPF20A315SEM
QAPF20A315SEN
QAPF20A315SEO
QAPF20A315SET
QAPF20A315SM
QAPF20A315SN
QAPF20A315SO
QAPF20A315ST

Locking Style
Single Concentric

Housing Construction
Four-Bolt Pillow Block

UPC Code
0883450046701
0883450046718
0883450046732
0883450046749
0883450046756
0883450046763
0883450046770
0883450046787
0883450189354
0883450189460
0883450266697
0883450266802


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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