Advanced Search
About Us
|
Careers
|
Contact Us
PRODUCTS & SERVICES
Bearings
Power Transmission
Engineered Surfaces
Lubrication
Chain & Auger
Seals
Motion Control Systems
Training
Remanufacture & Repair
Maintenance & Reliability
Catalogs
SOLUTIONS
Aerospace
Agriculture
Automotive / Heavy Truck
Bearing Manufacturers
Cement & Aggregate
Coal, Oil, & Gas
Construction
Consumer
Gear Drive
Health
Machine Tools
Mining
Paper
Primary Metals
Rail
Wind Energy
TOOLS & GUIDES
For Engineers
For Suppliers
For Students
For Maintenance Pros
For Retirees
Bearing Terms Glossary
Steel Terms Glossary
PURCHASE
Online Stores
Find a Distributor / Sales Office
Terms and Conditions of Sale
INVESTORS
Analyst Coverage
Investor Contacts
Corporate Governance
Directors
Earnings Estimates
Events
Financial Highlights
Financial Reports
Financial News Releases
Presentations
SEC Filings
Shareholder Services
Stock Information
Webcast / Conference Calls
Search Catalog
By Keyword
All Product Types
Double Concentric Four-Bolt Pillow Block
|
Shipping
|
Tax
|
Terms
Shopping Cart
0 Items
Request for Quote
0 Items
All Product Types
>
ENGINEERED BEARINGS
>
Mounted Bearings
>
Mounted Solid-Block Spherical Roller Bearings
>
Double Concentric Solid-Block Mounted Bearings
>
Double Concentric Four-Bolt Pillow Block
>
Part Number QAAPR18A307S
Download PDF
Download PDF
Printable Page
Email This Page
Save To Favorites
Please wait…
Part Number QAAPR18A307S, Double Concentric Four-Bolt Pillow Block
larger image
larger image
Unit of Measure:
Imperial
Metric
Both
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
QAAPR18A307SB
QAAPR18A307SC
QAAPR18A307SEB
QAAPR18A307SEC
QAAPR18A307SEM
QAAPR18A307SEN
QAAPR18A307SEO
QAAPR18A307SET
QAAPR18A307SM
QAAPR18A307SN
QAAPR18A307SO
QAAPR18A307ST
Locking Style
Double Concentric
Housing Construction
Four-Bolt Pillow Block
UPC Code
0883450030403
0883450030410
0883450030434
0883450030441
0883450030458
0883450030465
0883450030472
0883450030489
0883450190022
0883450190138
0883450267380
0883450267496
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
9.25
in
235
mm
Dimension D Max
11.25
in
285.8
mm
Dimension E
2.38
in
60.5
mm
Dimension F
13.63
in
346.2
mm
Dimension G
3.75
in
95.3
mm
Dimension H
1.56
in
39.6
mm
Dimension J (Bolt Size)
0.75
in
20
mm
Dimension L
4.47
in
113.5
mm
Dimension M
2.59
in
65.8
mm
Dimension RAA
0.84
in
21.3
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
VIEW CAD DRAWING
·
3D
·
2D Front View
·
2D Left View
·
2D Sales Drawing
DOWNLOADS
Bearing Life Calculation Tool
Eng Seal Temperatures
TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS
NEW PRODUCT OFFERING
PT Tech
<
©
The Timken Company. ©
The Timken Company.
©
The Timken Company.