Specifications of TIMKEN Bearing LM121948D - LM121911
Specifications
Series |
LM121900 |
Cone Part Number |
LM121948D |
Cup Part Number |
LM121911 |
Design Unit |
Inch |
Bearing Weight |
2.6 lb1.2 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
4-1/4 in107.95 mm |
D – Cup Outer Diameter |
6 in152.4 mm |
B – Double Cone Width |
2.5625 in65.088 mm |
C – Cup Width |
1.1250 in28.575 mm |
T – Bearing Width across Cups |
2.5624 in65.085 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.03 in0.8 mm |
r – Cup Backface “To Clear” Radius2 |
0.130 in3.3 mm |
da – Cone Frontface Backing Diameter |
4.53 in115 mm |
Db – Cup Backface Backing Diameter |
5.51 in139.95 mm |
Ab – Cage-Cone Frontface Clearance |
-0.03 in-0.8 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
9810 lbf43600 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
65900 lbf293000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
17100 lbf75900 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 |
4740 lbf21100 N |