Specifications of TIMKEN Bearing 74550 - 74851CD
Specifications
Series |
74000 |
Cone Part Number |
74550 |
Cup Part Number |
74851CD |
Design Unit |
Inch |
Bearing Weight |
27.5 lb12.473 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
5.5 in139.7 mm |
D – Cup Outer Diameter |
8.5 in215.9 mm |
B – Cone Width |
1.875 in47.625 mm |
C – Double Cup Width |
3.1875 in80.963 mm |
T – Bearing Width across Cones |
4.1875 in106.363 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.14 in3.6 mm |
r – Cup Backface “To Clear” Radius2 |
0.06 in1.5 mm |
db – Cone Backface Backing Diameter |
6.22 in158 mm |
Da – Cup Frontface Backing Diameter |
8.23 in208.03 mm |
Aa – Cage-Cone Backface Clearance |
0.17 in4.3 mm |
a – Effective Center Location3 |
0.09 in2.3 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
22300 lbf99000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
150000 lbf665000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
38800 lbf172000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
18600 lbf82600 N |