487TD – 472
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Timken 487TD – 472

Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

(BRAND):TIMKEN
(Availability):In Stock

Specifications

Series 475
Cone Part Number 487TD
Cup Part Number 472
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 24.237 mm
T - Bearing Width across Cups 69.037 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 0.800 mm
r - Cup Backface "To Clear" Radius2 2.03 mm
da - Cone Frontface Backing Diameter 80 mm
Db - Cup Backface Backing Diameter 106.93 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