Specifications of TIMKEN Bearing 554 - 552D
Specifications
Series |
555 |
Cone Part Number |
554 |
Cup Part Number |
552D |
Design Unit |
Inch |
Bearing Weight |
9.09 lb4.122 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
2 7/16 in61.913 mm |
D – Cup Outer Diameter |
4.875 in123.825 mm |
B – Cone Width |
1.4440 in36.678 mm |
C – Double Cup Width |
2.5 in63.5 mm |
T – Bearing Width across Cones |
3.1249 in79.372 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.14 in3.6 mm |
r – Cup Backface “To Clear” Radius2 |
0.06 in1.5 mm |
db – Cone Backface Backing Diameter |
3.03 in77 mm |
Da – Cup Frontface Backing Diameter |
4.56 in115.82 mm |
Aa – Cage-Cone Backface Clearance |
0.07 in1.8 mm |
a – Effective Center Location3 |
-0.37 in-9.4 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
11100 lbf49400 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
74700 lbf332000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
19400 lbf86100 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
6590 lbf29300 N |