Timken LM278848D – LM278810
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
LM278800
Cone Part Number
LM278848D
Cup Part Number
LM278810
Design Unit
Inch
Cage Material
Pin-Type
Note
This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components.
Related Assembly Number(s)
LM278848D-902A2
Dimensions
d - Bore
585.788 mm
D - Cup Outer Diameter
771.525 mm
B - Double Cone Width
230.188 mm
C - Cup Width
96.838 mm
T - Bearing Width across Cups
230.185 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
6.4 mm
r - Cup Backface "To Clear" Radius2
6.35 mm
da - Cone Frontface Backing Diameter
616 mm
Db - Cup Backface Backing Diameter
725.93 mm
Ab - Cage-Cone Frontface Clearance
7.9 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
853000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
5730000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
1490000 N
C6
486000 N
Factors
K - Factor7
1.76
e - ISO Factor8
0.33
Y1 - ISO Factor9
2.03
Y2 - ISO Factor10
3.02
G1 - Heat Generation Factor (Roller-Raceway)
11600
G2 - Heat Generation Factor (Rib-Roller End)
784
Cg - Geometry Factor11
0.291
