Specifications of TIMKEN Bearing 18690 - 18620D
Specifications
Series |
18600 |
Cone Part Number |
18690 |
Cup Part Number |
18620D |
Design Unit |
Inch |
Bearing Weight |
1.59 lb0.721 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
1 13/16 in46.038 mm |
D – Cup Outer Diameter |
3.125 in79.375 mm |
B – Cone Width |
0.6875 in17.463 mm |
C – Double Cup Width |
1.3125 in33.338 mm |
T – Bearing Width across Cones |
1.6248 in41.270 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.11 in2.8 mm |
r – Cup Backface “To Clear” Radius2 |
0.03 in0.8 mm |
db – Cone Backface Backing Diameter |
2.2 in56 mm |
Da – Cup Frontface Backing Diameter |
2.94 in73.91 mm |
Aa – Cage-Cone Backface Clearance |
0.01 in0.3 mm |
a – Effective Center Location3 |
-0.08 in-2 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
3030 lbf13500 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
20400 lbf90600 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
5280 lbf23500 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
1940 lbf8630 N |