Specifications of TIMKEN Bearing 748-S - 742
Specifications
Series |
745 |
Cone Part Number |
748-S |
Cup Part Number |
742 |
Design Unit |
Inch |
Bearing Weight |
8.1 lb3.7 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
3 in76.2 mm |
D – Cup Outer Diameter |
5.909 in150.089 mm |
B – Cone Width |
1.8375 in46.673 mm |
C – Cup Width |
1.4375 in36.513 mm |
T – Bearing Width |
1.7500 in44.450 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.14 in3.6 mm |
r – Cup Backface “To Clear” Radius2 |
0.130 in3.3 mm |
da – Cone Frontface Backing Diameter |
3.43 in87 mm |
db – Cone Backface Backing Diameter |
3.66 in93 mm |
Da – Cup Frontface Backing Diameter |
5.63 in142.00 mm |
Db – Cup Backface Backing Diameter |
5.28 in134.11 mm |
Ab – Cage-Cone Frontface Clearance |
0.08 in2 mm |
Aa – Cage-Cone Backface Clearance |
0.05 in1.3 mm |
a – Effective Center Location3 |
-0.47 in-11.9 mm |