All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Concentric Solid-Block Mounted Bearings > Double Concentric Two-Bolt Pillow Block > Part Number QAASN20A315S  

Part Number QAASN20A315S, Double Concentric Two-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
3 15/16 in

Shaft Size Type
Imperial

Full Timken Part Number
QAASN20A315SB
QAASN20A315SC
QAASN20A315SEB
QAASN20A315SEC
QAASN20A315SEM
QAASN20A315SEN
QAASN20A315SEO
QAASN20A315SET
QAASN20A315SM
QAASN20A315SN
QAASN20A315SO
QAASN20A315ST

Locking Style
Double Concentric

Housing Construction
Two-Bolt Pillow Block

UPC Code
0883450351508
0883450351515
0883450351522
0883450351539
0883450351546
0883450351553
0883450351560
0883450351577
0883450351584
0883450351591
0883450351607
0883450351614


Dimensions

Dimension A
4.92 in
125 mm

Dimension B
9.49 in
241 mm

Dimension C
5.98 in
152 mm

Dimension D Min
12.56 in
319 mm

Dimension D Max
14.41 in
366 mm

Dimension F
16.14 in
410 mm

Dimension G
3.98 in
101 mm

Dimension H
1.97 in
50 mm

Dimension J (Bolt Size)
0.875 in
24 mm

Dimension L
4.96 in
126 mm

Dimension M
2.97 in
75.4 mm

Dimension RAA
0.98 in
25 mm

Dimension SAA
5.91 in
150 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