Specifications of TIMKEN Bearing 581D - 572
Specifications
Series |
575 |
Cone Part Number |
581D |
Cup Part Number |
572 |
Design Unit |
Inch |
Bearing Weight |
1.9 lb0.8 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
3 3/16 in80.963 mm |
D – Cup Outer Diameter |
5.5115 in139.992 mm |
B – Double Cone Width |
3.1549 in80.134 mm |
C – Cup Width |
1.1250 in28.575 mm |
T – Bearing Width across Cups |
3.1875 in80.963 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.06 in1.5 mm |
r – Cup Backface “To Clear” Radius2 |
0.130 in3.3 mm |
da – Cone Frontface Backing Diameter |
3.62 in92 mm |
Db – Cup Backface Backing Diameter |
4.92 in124.97 mm |
Ab – Cage-Cone Frontface Clearance |
0.1 in2.5 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
12100 lbf53600 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
80900 lbf360000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
21000 lbf93400 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 |
8330 lbf37100 N |