NNU3144 KOYO Double-row cylindrical roller bearings
Brand Name: |
KOYO |
Model Number: |
NNU3144 |
Series: |
32205 |
Cone Part Number: |
X32205 |
Design Units: |
METRIC |
Cage Type: |
Stamped Steel |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: |
19500 lbf |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: |
5050 lbf |
d: |
25.000 mm |
B - Cone Width: |
18 mm |
PDF |
NNU3144 |
Product Details
Series |
32205 |
Cone Part Number |
X32205 |
Design Units |
METRIC |
Cage Type |
Stamped Steel |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
19500 lbf |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
5050 lbf |
d |
25.000 mm |
B - Cone Width |
18 mm |
WPD |
48.2 mm |
DD |
42.7 mm |
R - Cone Backface To Clear Radius3 |
1.020 mm |
da - Cone Frontface Backing Diameter |
31 mm |
db - Cone Backface Backing Diameter |
34 mm |
Ab - Cage-Cone Frontface Clearance |
1.8 mm |
Aa - Cage-Cone Backface Clearance |
0.5 mm |
a - Effective Center Location4 |
-5.3 mm |
C90 - Dynamic Radial Rating (90 million revolutions)5 |
12900 N |
C1 - Dynamic Radial Rating (1 million revolutions)6 |
49800 N |
C0 - Static Radial Rating |
42100 N |
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 |
7950 N |
K - Factor8 |
1.62 |
G1 - Heat Generation Factor (Roller-Raceway) |
9.4 |
G2 - Heat Generation Factor (Rib-Roller End) |
7.3 |
Cg - Geometry Factor |
0.0528 |