Specifications of TIMKEN Bearing 487TD - 472A
Specifications
Series |
475 |
Cone Part Number |
487TD |
Cup Part Number |
472A |
Design Unit |
Inch |
Bearing Weight |
1.4 lb0.6 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
2.8375 in72.073 mm |
D – Cup Outer Diameter |
4.7244 in120 mm |
B – Double Cone Width |
2.6590 in67.539 mm |
C – Cup Width |
0.9230 in23.444 mm |
T – Bearing Width across Cups |
2.6556 in67.452 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.03 in0.8 mm |
r – Cup Backface “To Clear” Radius2 |
0.130 in3.3 mm |
da – Cone Frontface Backing Diameter |
3.15 in80 mm |
Db – Cup Backface Backing Diameter |
4.17 in105.92 mm |
Ab – Cage-Cone Frontface Clearance |
0.12 in3 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
7890 lbf35100 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
53000 lbf236000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
13700 lbf61100 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 |
5200 lbf23100 N |