Timken HM252349NA – HM252311D
Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Detailed data of
HM252349NA – HM252311D
Specifications
Cone Part Number
HM252349NA
Cup Part Number
HM252311D
Design Unit
Inch
Dimensions
d - Bore
260.350 mm
D - Cup Outer Diameter
422.275 mm
T - Bearing Width across Cones
173.038 mm
C - Double Cup Width
128.588 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
6.4 mm
r - Cup Backface "To Clear" Radius2
1.5 mm
db - Cone Backface Backing Diameter
291.0 mm
Da - Cup Frontface Backing Diameter
399.54 mm
Basic Load Ratings
C1 - Dynamic Radial Rating (1 million revolutions)3
2690000 N
C4
228000 N
C905
698000 N
Factors
K - Factor6
1.76
e - ISO Factor7
0.33
Y1 - ISO Factor8
2.03
Y2 - ISO Factor9
3.02
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HM252349NA – HM252311D
