Timken LM258649D – LM258610
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
LM258600
Cone Part Number
LM258649D
Cup Part Number
LM258610
Design Unit
Inch
Cage Material
Stamped Steel
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)
LM258649D-90014
Dimensions
d - Bore
317.500 mm
D - Cup Outer Diameter
422.275 mm
B - Double Cone Width
128.588 mm
C - Cup Width
53.975 mm
T - Bearing Width across Cups
128.588 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
1.5 mm
r - Cup Backface "To Clear" Radius2
3.30 mm
da - Cone Frontface Backing Diameter
333.25 mm
Db - Cup Backface Backing Diameter
398.00 mm
Ab - Cage-Cone Frontface Clearance
3.6 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
256000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
1720000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
445000 N
C6
140000 N
Factors
K - Factor7
1.83
e - ISO Factor8
0.32
Y1 - ISO Factor9
2.11
Y2 - ISO Factor10
3.15
Cg - Geometry Factor11
0.174
