All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Concentric Solid-Block Mounted Bearings > Double Concentric Stainless Two-Bolt Pillow Block > Part Number QAAP18A307S - Stainless  

Part Number QAAP18A307S - Stainless, Double Concentric Stainless 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
22218

Shaft Size
3 7/16 in

Shaft Size Type
Imperial

Full Timken Part Number
QAAP18A307SBSS
QAAP18A307SCSS
QAAP18A307SEBSS
QAAP18A307SECSS
QAAP18A307SEMSS
QAAP18A307SENSS
QAAP18A307SEOSS
QAAP18A307SETSS
QAAP18A307SMSS
QAAP18A307SNSS
QAAP18A307SOSS
QAAP18A307STSS

Locking Style
Double Concentric

Housing Construction
Two-Bolt Pillow Block

UPC Code
0883450705806
0883450705813
0883450705820
0883450705837
0883450705844
0883450705851
0883450705868
0883450705875
0883450705882
0883450705899
0883450705905
0883450705912


Dimensions

Dimension A
3.75 in
95.3 mm

Dimension B
7.69 in
195.3 mm

Dimension C
5.13 in
130.3 mm

Dimension D Min
9.38 in
238.3 mm

Dimension D Max
11.25 in
285.8 mm

Dimension F
13.5 in
342.9 mm

Dimension G
3.41 in
86.6 mm

Dimension H
1.88 in
47.8 mm

Dimension J (Bolt Size)
0.875 in
24 mm

Dimension L
4.3 in
109.2 mm

Dimension M
2.59 in
65.8 mm

Dimension RAA
0.89 in
22.6 mm

Dimension SAA
5.18 in
131.6 mm


Radial and Thrust Factors

C0 - Static Load
87200 lbf
388000 N

C - Dynamic Load (Basic)
79700 lbf
355000 N

e - Geometry Factor
0.23

Y1 - Geometry Factor
2.90

Y2 - Geometry Factor
4.31


Engineering Seal Speed

Oil Lubrication - M/N Seal
1400 rpm

Oil Lubrication - T Seal
2400 rpm

Oil Lubrication - B/C/O Seal
1000 rpm

Grease Lubrication - M/N Seal
1400 rpm

Grease Lubrication - T Seal
2000 rpm

Grease Lubrication - B/C/O Seal
1000 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
0.0024

Eng Internal Radial Clearance - Max
0.0039

Pre Install Clearance Min
0.0024 in
0.060 mm

Pre Install Clearance Max
0.0039 in
0.100 mm



 DOWNLOADS 

Bearing Life Calculation Tool

Primary Sealing
(PDF, 411KB)

Secondary Sealing
(PDF, 720KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS

Stainless-Solid-Block-Mounted-SRB-Sell-Sheet_11229-POD
(PDF, 175KB)