NNU4972 NTN Tapered Roller Bearing
What are the types of NNU4972 NTN Tapered Roller Bearing ? Cylindrical Roller Bearing Manufacturing Service NACHI BEARINGS OF AMERICA CORP. 2.5 in B - Cone Width . Get Your Free, Instant price, design review.
Brand Name: |
NTN |
Model Number: |
NNU4972 |
B - Cone Width: |
2.5 in |
Cage Type: |
Stamped Steel |
C0 - Static Radial Rating: |
242000 lbf |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: |
258000 lbf |
K - Factor8: |
1.25 |
Design Units: |
Imperial |
G1 - Heat Generation Factor (Roller-Raceway): |
692.3 |
Cone Part Number: |
94669 |
PDF |
NNU4972 |
Product Details
B - Cone Width |
2.5 in |
Cage Type |
Stamped Steel |
C0 - Static Radial Rating |
242000 lbf |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
258000 lbf |
K - Factor8 |
1.25 |
Design Units |
Imperial |
G1 - Heat Generation Factor (Roller-Raceway) |
692.3 |
Cone Part Number |
94669 |
Aa - Cage-Cone Backface Clearance |
0.24 in |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
67000 lbf |
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 |
30800 lbf |
R - Cone Backface To Clear Radius3 |
0.280 in |
d |
6.6923 in |
da - Cone Frontface Backing Diameter |
7.44 in |
db - Cone Backface Backing Diameter |
7.91 in |
Cg - Geometry Factor |
0.129 |
Series |
94000 |
C1 - Dynamic Radial Rating (1 million revolutions)6 |
148000 lbf |
C90 - Dynamic Radial Rating (90 million revolutions)5 |
38500 lbf |
a - Effective Center Location4 |
-0.03 in |