Specifications of TIMKEN Bearing L521945 - L521910DC
Specifications
Series |
L521900 |
Cone Part Number |
L521945 |
Cup Part Number |
L521910DC |
Design Unit |
Inch |
Bearing Weight |
5.46 lb2.478 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
4 in101.6 mm |
D – Cup Outer Diameter |
5.750 in146.05 mm |
B – Cone Width |
0.8438 in21.433 mm |
C – Double Cup Width |
1.5625 in39.688 mm |
T – Bearing Width across Cones |
1.9374 in49.210 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.06 in1.5 mm |
r – Cup Backface “To Clear” Radius2 |
0.03 in0.8 mm |
db – Cone Backface Backing Diameter |
4.41 in112 mm |
Da – Cup Frontface Backing Diameter |
5.57 in141.48 mm |
Aa – Cage-Cone Backface Clearance |
0.01 in0.3 mm |
a – Effective Center Location3 |
0.19 in4.8 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
5600 lbf24900 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
37600 lbf167000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
9740 lbf43300 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
3760 lbf16700 N |