Timken 487TD – 472A
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
475
Cone Part Number
487TD
Cup Part Number
472A
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
72.073 mm
D - Cup Outer Diameter
120 mm
B - Double Cone Width
67.539 mm
C - Cup Width
23.444 mm
T - Bearing Width across Cups
67.452 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
0.800 mm
r - Cup Backface "To Clear" Radius2
3.30 mm
da - Cone Frontface Backing Diameter
80 mm
Db - Cup Backface Backing Diameter
105.92 mm
Ab - Cage-Cone Frontface Clearance
3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
35100 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
236000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
61100 N
C6
23100 N
Factors
K - Factor7
1.52
e - ISO Factor8
0.38
Y1 - ISO Factor9
1.75
Y2 - ISO Factor10
2.61
Cg - Geometry Factor11
0.108
