Specifications of TIMKEN Bearing 55187 - 55444D
Specifications
Series |
55000 |
Cone Part Number |
55187 |
Cup Part Number |
55444D |
Design Unit |
Inch |
Bearing Weight |
6.2 lb2.814 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
1.875 in47.625 mm |
D – Cup Outer Diameter |
4.4375 in112.713 mm |
B – Cone Width |
1.0594 in26.909 mm |
C – Double Cup Width |
1.8125 in46.038 mm |
T – Bearing Width across Cones |
2.5624 in65.085 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 |
2.72 in69 mm |
Da – Cup Frontface Backing Diameter |
4.15 in105.40 mm |
Aa – Cage-Cone Backface Clearance |
0.16 in4.1 mm |
a – Effective Center Location3 |
0.28 in7.1 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
7350 lbf32700 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
49400 lbf220000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
12800 lbf56900 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
11100 lbf49500 N |