About NTN
Careers
Media & Resources
Contact Us
English/Inglés
Spanish/Español
Your Industry
Wind Energy
Construction
Agriculture
Automotive
Heavy Duty Truck
Aerospace
Mining & Aggregate
Metal Manufacturing
Machine Tool
Rail & Transit
Food Processing
Infrastructure
Products
Ball Bearings
Tapered Roller Bearings
Cylindrical Roller Bearings
Spherical Roller Bearings
Needle Roller Bearings
Mounted Units & Pillow Blocks
Installation & Removal Tools
Constant Velocity Joints
Wheel Hubs
Differential Kits
Bearing Search
Part Interchange Search
Distributor Search
Distributors: Mexico
Distributors: Sudamerica
Distributor Search Results
International Distributors
Product Support & Training
Part Interchange Search
Shaft & Housing Fits
Tolerance Tables
Product Analysis & Testing
Training Programs
Frequently Asked Questions
Access CAD Files (WEB2CAD)
Brochures & Literature
Brochures
Spec Sheets
Catalogs
Tech Sheets & Supplements
REVOLUTION
IN MOTION™
Search Catalog
By Keyword
By Competitor Part Number
By Item #
All Categories
Double Row Cylindrical Roller Bearings
All Categories
>
Cylindrical Roller Bearings
>
Double Row Cylindrical Roller Bearings
>
Item # NNU4960K
Download PDF
Download PDF
Printable Page
Email This Page
Save To Favorites
Please wait…
Item # NNU4960K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NNU
The rollers in the NN type bearing are guided by the ribs of the inner ring.
larger image
larger image
Unit of Measure:
Imperial
Metric
Both
Order Now
·
Technical Specifications
·
Dimensional Specifications
Order Now
Ordering Options
Contact NTN Customer Relations
Technical Specifications
Type
Cylindrical Roller Bearing
Bore Type
Tapered
Material
Hardened Alloy Steel
Cage Material
High Strength, 2 piece, Machined Brass
Limiting Speed - Oil
1500
RPM
Limiting Speed - Grease
1300
RPM
Taper
1:12
Precision
ISO Class 0
Tolerance
ISO Class 0 (RBEC 1)
Oil Hole
w/o Oil Hole
Radial Internal Clearance
CN
Static Load Rating
630000
lbf
2800000
N
2800.00
kN
Dynamic Load Rating
270000
lbf
1200000
N
1200.00
kN
Enclosure
Open
Operating Temperature Range
-40 to 250
ºF
-40 to 120
ºC
Dimensional Specifications
Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NNU - Dimensions
larger image
d
11.8110
in
300.000
mm
D
16.5354
in
420.000
mm
B
4.6457
in
118.000
mm
C
4.6457
in
118.000
mm
Fw
13.3465
in
339.000
mm
r
0.1181
in
3.000
mm
da min
12.3228
in
313.000
mm
db min
12.7165
in
323.000
mm
Da max
16.0236
in
407.000
mm
Db min
15.5118
in
394.000
mm
Db max
16.0236
in
407.000
mm
ras max
0.0984
in
2.500
mm
VIEW CAD DRAWING
·
3D
·
2D Sectional View
·
2D Sales Drawing