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 QAASN15A212S  

Part Number QAASN15A212S, 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
22215

Shaft Size
2 3/4 in

Shaft Size Type
Imperial

Full Timken Part Number
QAASN15A212SB
QAASN15A212SC
QAASN15A212SEB
QAASN15A212SEC
QAASN15A212SEM
QAASN15A212SEN
QAASN15A212SEO
QAASN15A212SET
QAASN15A212SM
QAASN15A212SN
QAASN15A212SO
QAASN15A212ST

Locking Style
Double Concentric

Housing Construction
Two-Bolt Pillow Block

UPC Code
0883450322737
0883450349956
0883450349963
0883450349970
0883450349987
0883450349994
0883450350006
0883450350013
0883450350020
0883450350037
0883450350044
0883450350051


Dimensions

Dimension A
3.74 in
95 mm

Dimension B
7.2 in
183 mm

Dimension C
4.29 in
109 mm

Dimension D Min
9.49 in
241 mm

Dimension D Max
10.98 in
279 mm

Dimension F
12.44 in
316 mm

Dimension G
2.99 in
76 mm

Dimension H
1.34 in
34 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension L
3.86 in
98 mm

Dimension M
2.37 in
60.2 mm

Dimension RAA
0.87 in
22 mm

Dimension SAA
4.72 in
120 mm


Radial and Thrust Factors

C0 - Static Load
54100 lbf
240000 N

C - Dynamic Load (Basic)
49900 lbf
222000 N

e - Geometry Factor
0.22

Y1 - Geometry Factor
3.14

Y2 - Geometry Factor
4.67


Engineering Seal Speed

Oil Lubrication - M/N Seal
1600 rpm

Oil Lubrication - T Seal
2900 rpm

Oil Lubrication - B/C/O Seal
1300 rpm

Grease Lubrication - M/N Seal
1600 rpm

Grease Lubrication - T Seal
2400 rpm

Grease Lubrication - B/C/O Seal
1300 rpm


Engineering Bearing Attributes

Float
0.083 in
2.108 mm

Shaft Tolerance
0.0020 in
0.051 mm


Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min
0.0020

Eng Internal Radial Clearance - Max
0.0031

Pre Install Clearance Min
0.0020 in
0.050 mm

Pre Install Clearance Max
0.0031 in
0.080 mm



 DOWNLOADS 

Bearing Life Calculation Tool

Primary Sealing
(PDF, 411KB)

Secondary Sealing
(PDF, 720KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS