Timken 581D – 572
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
575
Cone Part Number
581D
Cup Part Number
572
Design Unit
Inch
Cage Material
Stamped Steel
Related Assembly Number(s)
581D-90094
Dimensions
d - Bore
80.963 mm
D - Cup Outer Diameter
139.992 mm
B - Double Cone Width
80.134 mm
C - Cup Width
28.575 mm
T - Bearing Width across Cups
80.963 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
92 mm
Db - Cup Backface Backing Diameter
124.97 mm
Ab - Cage-Cone Frontface Clearance
2.5 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
53600 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
360000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
93400 N
C6
37100 N
Factors
K - Factor7
1.45
e - ISO Factor8
0.4
Y1 - ISO Factor9
1.67
Y2 - ISO Factor10
2.49
Cg - Geometry Factor11
0.13
