Specifications of TIMKEN Bearing EE420850 - 421451CD
Specifications
Series |
420000 |
Cone Part Number |
EE420850 |
Cup Part Number |
421451CD |
Design Unit |
Inch |
Bearing Weight |
148.75 lb67.472 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
8 1/2 in215.9 mm |
D – Cup Outer Diameter |
14.5 in368.3 mm |
B – Cone Width |
3.1249 in79.372 mm |
C – Double Cup Width |
5.3750 in136.525 mm |
T – Bearing Width across Cones |
6.8749 in174.622 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.06 in1.5 mm |
r – Cup Backface “To Clear” Radius2 |
0.06 in1.5 mm |
db – Cone Backface Backing Diameter |
9.29 in236 mm |
Da – Cup Frontface Backing Diameter |
13.21 in335.53 mm |
Aa – Cage-Cone Backface Clearance |
0.34 in8.6 mm |
a – Effective Center Location3 |
-0.24 in-6.1 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
64300 lbf286000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
432000 lbf1920000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
112000 lbf498000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
44200 lbf197000 N |