N338M TIMKEN Tapered Roller Bearings Double-row
Brand Name: | TIMKEN |
Model Number: | N338M |
Series: | M257100 |
Cone Part Number: | M257149DW |
Design Units: | Imperial |
Cage Type: | Stamped Steel |
db - Cone Backface Backing Diameter: | 12.68 in |
C1 - Dynamic Radial Rating (1 million revolutions)1: | 269000 lbf |
C0 - Static Radial Rating: | 477000 lbf |
d: | 12 in |
Product Details
Series | M257100 |
Cone Part Number | M257149DW |
Design Units | Imperial |
Cage Type | Stamped Steel |
db - Cone Backface Backing Diameter | 12.68 in |
C1 - Dynamic Radial Rating (1 million revolutions)1 | 269000 lbf |
C0 - Static Radial Rating | 477000 lbf |
d | 12 in |
B - Double Cone Width | 5.1250 in |
R - Cone Frontface To Clear Radius2 | 0.060 in |
da - Cone Frontface Backing Diameter | 12.68 in |
Ab - Cage-Cone Frontface Clearance | 0.18 in |
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 | 69700 lbf |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 | 468000 lbf |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 | 121000 lbf |
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 39700 lbf |
K - Factor7 | 1.76 |
G1 - Heat Generation Factor (Roller-Raceway)8 | 2160 |
G2 - Heat Generation Factor (Rib-Roller End) | 303 |
Cg - Geometry Factor9 | 0.167 |