Specifications of TIMKEN Bearing L521949 - L521910D
Specifications
Series |
L521900 |
Cone Part Number |
L521949 |
Cup Part Number |
L521910D |
Design Unit |
Inch |
Bearing Weight |
4.69 lb2.128 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
4-1/4 in107.95 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 |
4.57 in116 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 |
5180 lbf23100 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
34800 lbf155000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
9020 lbf40100 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
3480 lbf15500 N |