Specifications of TIMKEN Bearing LM742749 - LM742710CD
Specifications
Series |
LM742700 |
Cone Part Number |
LM742749 |
Cup Part Number |
LM742710CD |
Design Unit |
Inch |
Bearing Weight |
34.38 lb15.595 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
8 1/2 in215.9 mm |
D – Cup Outer Diameter |
11.2500 in285.750 mm |
B – Cone Width |
1.8125 in46.038 mm |
C – Double Cup Width |
3.0000 in76.200 mm |
T – Bearing Width across Cones |
3.8749 in98.422 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.14 in3.6 mm |
r – Cup Backface “To Clear” Radius2 |
0.03 in0.8 mm |
db – Cone Backface Backing Diameter |
9.17 in233 mm |
Da – Cup Frontface Backing Diameter |
11.02 in279.9 mm |
Aa – Cage-Cone Backface Clearance |
0.18 in4.6 mm |
a – Effective Center Location3 |
0.56 in14.2 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
25000 lbf111000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
168000 lbf748000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
43600 lbf194000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
20600 lbf91800 N |