Specifications of TIMKEN Bearing 66588 - 66522D
Specifications
Series |
66500 |
Cone Part Number |
66588 |
Cup Part Number |
66522D |
Design Unit |
Inch |
Bearing Weight |
8.57 lb3.888 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
2.3622 in60 mm |
D – Cup Outer Diameter |
5.1174 in129.982 mm |
B – Cone Width |
1.2500 in31.750 mm |
C – Double Cup Width |
1.8750 in47.625 mm |
T – Bearing Width across Cones |
2.7499 in69.847 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.03 in0.8 mm |
r – Cup Backface “To Clear” Radius2 |
0.03 in0.8 mm |
db – Cone Backface Backing Diameter |
2.91 in74 mm |
Da – Cup Frontface Backing Diameter |
4.67 in118.11 mm |
Aa – Cage-Cone Backface Clearance |
0.18 in4.6 mm |
a – Effective Center Location3 |
0.08 in2 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
10700 lbf47500 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
71700 lbf319000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
18600 lbf82700 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
12200 lbf54100 N |