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 QAAF20A315S  

Part Number QAAF20A315S, 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
QAAF20A315SB
QAAF20A315SC
QAAF20A315SEB
QAAF20A315SEC
QAAF20A315SEM
QAAF20A315SEN
QAAF20A315SEO
QAAF20A315SET
QAAF20A315SM
QAAF20A315SN
QAAF20A315SO
QAAF20A315ST

Locking Style
Double Concentric

Housing Construction
Flange Block

UPC Code
0883450019804
0883450019811
0883450019835
0883450019842
0883450019859
0883450019866
0883450019873
0883450019880
0883450191081
0883450191258
0883450268448
0883450268615


Dimensions

Dimension BC
10.96 in
278.4 mm

Dimension C
6 in
152.4 mm

Dimension D
8.75 in
222.3 mm

Dimension E
7 3/4 in
196.9 mm

Dimension F
9.97 in
253.2 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
0.95 in
24.1 mm

Dimension SAA
5.92 in
150.4 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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