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 QAAP18A304S - Stainless  

Part Number QAAP18A304S - Stainless, Double Concentric Stainless Two-Bolt Pillow Block

    Download PDF Download PDF   
    border="0" Printable Page  
    Email Email This Page  
    Save To Favorites Save To Favorites
  

 




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 1/4 in

Shaft Size Type
Imperial

Full Timken Part Number
QAAP18A304SBSS
QAAP18A304SCSS
QAAP18A304SEBSS
QAAP18A304SECSS
QAAP18A304SEMSS
QAAP18A304SENSS
QAAP18A304SEOSS
QAAP18A304SETSS
QAAP18A304SMSS
QAAP18A304SNSS
QAAP18A304SOSS
QAAP18A304STSS

Locking Style
Double Concentric

Housing Construction
Two-Bolt Pillow Block

UPC Code
0883450705080
0883450705097
0883450705103
0883450705110
0883450705127
0883450705134
0883450705141
0883450705158
0883450705165
0883450705172
0883450705189
0883450705196


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)