Specifications of TIMKEN Bearing LM278848D - LM278810
Specifications
Series |
LM278800 |
Cone Part Number |
LM278848D |
Cup Part Number |
LM278810 |
Design Unit |
Inch |
Bearing Weight |
3.3 lb1.5 Kg |
Cage Material |
Pin-Type |
Dimensions
d – Bore |
23.0625 in585.788 mm |
D – Cup Outer Diameter |
30.3750 in771.525 mm |
B – Double Cone Width |
9.0625 in230.188 mm |
C – Cup Width |
3.8125 in96.838 mm |
T – Bearing Width across Cups |
9.0624 in230.185 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.25 in6.4 mm |
r – Cup Backface “To Clear” Radius2 |
0.250 in6.35 mm |
da – Cone Frontface Backing Diameter |
24.25 in616 mm |
Db – Cup Backface Backing Diameter |
28.58 in725.93 mm |
Ab – Cage-Cone Frontface Clearance |
0.31 in7.9 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
192000 lbf853000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
1290000 lbf5730000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
334000 lbf1490000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 |
109000 lbf486000 N |