Specifications of TIMKEN Bearing LM742749DW - LM742710
Specifications
Series |
LM742700 |
Cone Part Number |
LM742749DW |
Cup Part Number |
LM742710 |
Design Unit |
Inch |
Bearing Weight |
3.2 lb1.5 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
8 1/2 in215.9 mm |
D – Cup Outer Diameter |
11.2500 in285.750 mm |
B – Double Cone Width |
3.3750 in85.725 mm |
C – Cup Width |
1.3750 in34.925 mm |
T – Bearing Width across Cups |
3.3749 in85.722 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.09 in2.3 mm |
r – Cup Backface “To Clear” Radius2 |
0.130 in3.3 mm |
da – Cone Frontface Backing Diameter |
9.03 in229.36 mm |
Db – Cup Backface Backing Diameter |
10.47 in265.94 mm |
Ab – Cage-Cone Frontface Clearance |
0.12 in3 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
25000 lbf111000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
168000 lbf748000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
43600 lbf194000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 |
20600 lbf91800 N |