Timken M255449D – M255410
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
M255400
Cone Part Number
M255449D
Cup Part Number
M255410
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)
M255449D-90034
Dimensions
d - Bore
288.925 mm
D - Cup Outer Diameter
406.400 mm
B - Double Cone Width
144.463 mm
C - Cup Width
60.325 mm
T - Bearing Width across Cups
144.460 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
3.300 mm
r - Cup Backface "To Clear" Radius2
3.30 mm
da - Cone Frontface Backing Diameter
310 mm
Db - Cup Backface Backing Diameter
378.97 mm
Ab - Cage-Cone Frontface Clearance
5.6 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
308000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
2070000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
537000 N
C6
179000 N
Factors
K - Factor7
1.73
e - ISO Factor8
0.34
Y1 - ISO Factor9
2
Y2 - ISO Factor10
2.97
G1 - Heat Generation Factor (Roller-Raceway)
2300
G2 - Heat Generation Factor (Rib-Roller End)
287
Cg - Geometry Factor11
0.172
