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
Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
|
Shipping
|
Tax
|
Terms
Shopping Cart
0 Items
Request for Quote
0 Items
All Product Types
>
ENGINEERED BEARINGS
>
Tapered Roller Bearings
>
Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
>
Part Number NA231400 - 232026D
Download PDF
Download PDF
Printable Page
Email This Page
Save To Favorites
Please wait…
Part Number NA231400 - 232026D, Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
larger image
larger image
Unit of Measure:
Imperial
Metric
Both
Specifications
·
Dimensions
·
Abutment and Fillet Dimensions
·
Basic Load Ratings
·
Factors
Specifications
Cone Part Number
NA231400
Cup Part Number
232026D
Related Assembly Number(s)
NA231400-90084
Design Unit
Inch
Dimensions
d - Bore
14
in
355.6
mm
D - Cup Outer Diameter
20.2500
in
514.350
mm
T - Bearing Width across Cones
5.75
in
146.05
mm
C - Double Cup Width
4.2500
in
107.950
mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
0.25
in
6.4
mm
r - Cup Backface "To Clear" Radius
2
0.06
in
1.5
mm
db - Cone Backface Backing Diameter
15.28
in
388.0
mm
Da - Cup Frontface Backing Diameter
18.98
in
482.09
mm
1
These maximum fillet radii will be cleared by the bearing corners.
2
These maximum fillet radii will be cleared by the bearing corners.
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)
1
61300
lbf
273000
N
C1 - Dynamic Radial Rating (1 million revolutions)
2
412000
lbf
1830000
N
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
46200
lbf
206000
N
C90
(2)
- Dynamic Radial Rating (Two-Row, 90 million revolutions)
4
107000
lbf
475000
N
1
Based on 90 x 10
6
revolutions L
10
life, for The Timken Company life calculation method. C
90
and C
a90
are radial and thrust values.
2
Based on 1 x 10
6
revolutions L
10
life, for the ISO life calculation method.
3
Based on 90 x 10
6
revolutions L
10
life, for The Timken Company life calculation method. C
90
and C
a90
are radial and thrust values for a single-row, C
90(2)
is the two-row radial value.
4
Based on 90 x 10
6
revolutions L
10
life, for The Timken Company life calculation method. C
90
and C
a90
are radial and thrust values for a single-row, C
90(2)
is the two-row radial value.
Factors
K - Factor
1
1.33
e - ISO Factor
2
0.44
Y1 - ISO Factor
3
1.53
Y2 - ISO Factor
4
2.28
1
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
3
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
4
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
MORE IMAGES
·
timken-TNA-cutaway-angle-view
·
timken-TNA-left-angle-view
·
Timken TRB TNA
VIEW CAD DRAWING
·
3D
·
2D Sectional View
·
2D Sales Drawing
DOWNLOADS
Bearing Life Calculation Tool
Bearing Dimensional Tolerances
Tools and Guides for Engineers
<