Timken HM256849DA – HM256810
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
HM256849DA – HM256810
Specifications
Series
HM256800
Cone Part Number
HM256849DA
Cup Part Number
HM256810
Design Unit
Inch
Cage Material
Pin-Type
Dimensions
d - Bore
300.038 mm
D - Cup Outer Diameter
422.275 mm
B - Double Cone Width
150.813 mm
C - Cup Width
63.5 mm
T - Bearing Width across Cups
150.813 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
6.4 mm
r - Cup Backface "To Clear" Radius2
3.30 mm
da - Cone Frontface Backing Diameter
324.74 mm
Db - Cup Backface Backing Diameter
393.95 mm
Ab - Cage-Cone Frontface Clearance
5.1 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
336000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
2260000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
586000 N
C6
194000 N
Factors
K - Factor7
1.73
e - ISO Factor8
0.34
Y1 - ISO Factor9
2
Y2 - ISO Factor10
2.99
Cg - Geometry Factor11
0.178
