NN398 NSK Double row cylindrical roller bearings
Brand Name: |
NSK |
Model Number: |
NN398 |
Series: |
HM262700 |
Cone Part Number: |
HM262749V |
Cup Part Number: |
HM262710 |
Design Units: |
Imperial |
Bearing Weight: |
55.80 Kg |
Cage Type: |
Pin-Type |
d: |
346.075 mm |
D: |
488.950 mm |
Product Details
Series |
HM262700 |
Cone Part Number |
HM262749V |
Cup Part Number |
HM262710 |
Design Units |
Imperial |
Bearing Weight |
55.80 Kg |
Cage Type |
Pin-Type |
d |
346.075 mm |
D |
488.950 mm |
B - Cone Width |
95.250 mm |
C - Cup Width |
74.613 mm |
B |
95.253 mm |
R - Cone Backface To Clear Radius1 |
6.35 mm |
r - Cup Backface To Clear Radius2 |
3.30 mm |
da - Cone Frontface Backing Diameter |
367.03 mm |
db - Cone Backface Backing Diameter |
376.94 mm |
Da - Cup Frontface Backing Diameter |
467.36 mm |
Db - Cup Backface Backing Diameter |
455.93 mm |
Ab - Cage-Cone Frontface Clearance |
5.1 mm |
Aa - Cage-Cone Backface Clearance |
6.6 mm |
a - Effective Center Location3 |
-6.4 mm |
C90 - Dynamic Radial Rating (90 million revolutions)4 |
116000 lbf |
C1 - Dynamic Radial Rating (1 million revolutions)5 |
446000 lbf |
C0 - Static Radial Rating |
845000 lbf |
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
66200 lbf |
K - Factor7 |
1.74 |
e - ISO Factor8 |
0.33 |
Y - ISO Factor9 |
1.79 |
G1 - Heat Generation Factor (Roller-Raceway) |
3646.2 |
G2 - Heat Generation Factor (Rib-Roller End) |
341.8 |
Cg - Geometry Factor |
0.2 |