All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Concentric Solid-Block Mounted Bearings > Double Concentric Flange Block > Part Number QAAFX20A315S  

Part Number QAAFX20A315S, Double Concentric Flange 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
3 15/16 in

Shaft Size Type
Imperial

Full Timken Part Number
QAAFX20A315SB
QAAFX20A315SC
QAAFX20A315SEB
QAAFX20A315SEC
QAAFX20A315SEM
QAAFX20A315SEN
QAAFX20A315SEO
QAAFX20A315SET
QAAFX20A315SM
QAAFX20A315SN
QAAFX20A315SO
QAAFX20A315ST

Locking Style
Double Concentric

Housing Construction
Flange Block

UPC Code
0883450136235
0883450136242
0883450136259
0883450136266
0883450136273
0883450136280
0883450136297
0883450136303
0883450192903
0883450193092
0883450270106
0883450270281


Dimensions

Dimension BC
11-3/4 in
298.5 mm

Dimension C
6 in
152.4 mm

Dimension D
8.5 in
215.9 mm

Dimension E
8.31 in
211.1 mm

Dimension F
10.56 in
268.2 mm

Dimension H
1.5 in
38.1 mm

Dimension J (Bolt Size)
0.875 in
24 mm

Dimension L Exp
5.04 in
128 mm

Dimension L Fix
4.96 in
126 mm

Dimension M
2.97 in
75.4 mm

Dimension N
4.06 in
103.1 mm

Dimension RAA
0.97 in
24.6 mm

Dimension SAA
5.92 in
150.4 mm

Dimension G
8.875 in
225.43 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
2.84

Y2 - Geometry Factor
4.23


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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