Timken HH258249D – HH258210
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
HH258200
Cone Part Number
HH258249D
Cup Part Number
HH258210
Design Unit
Inch
Cage Material
Pin-Type
Related Assembly Number(s)
HH258249D-90016
Dimensions
d - Bore
303.213 mm
D - Cup Outer Diameter
495.300 mm
B - Double Cone Width
263.525 mm
C - Cup Width
114.300 mm
T - Bearing Width across Cups
263.522 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
3.300 mm
r - Cup Backface "To Clear" Radius2
6.35 mm
da - Cone Frontface Backing Diameter
339 mm
Db - Cup Backface Backing Diameter
448.06 mm
Ab - Cage-Cone Frontface Clearance
9.1 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
744000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
5000000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
1300000 N
C6
423000 N
Factors
K - Factor7
1.76
e - ISO Factor8
0.33
Y1 - ISO Factor9
2.03
Y2 - ISO Factor10
3.02
Cg - Geometry Factor11
0.205
