Specifications of TIMKEN Bearing 72187 - 72488D
Specifications
Series |
72000 |
Cone Part Number |
72187 |
Cup Part Number |
72488D |
Design Unit |
Inch |
Bearing Weight |
9.29 lb4.212 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
1.875 in47.625 mm |
D – Cup Outer Diameter |
4.875 in123.825 mm |
B – Cone Width |
1.2910 in32.791 mm |
C – Double Cup Width |
2.1875 in55.563 mm |
T – Bearing Width across Cones |
3.0624 in77.785 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 |
2.83 in72 mm |
Da – Cup Frontface Backing Diameter |
4.56 in115.82 mm |
Aa – Cage-Cone Backface Clearance |
0.18 in4.6 mm |
a – Effective Center Location3 |
0.05 in1.3 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
8910 lbf39600 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
59800 lbf266000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
15500 lbf69000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
11200 lbf50000 N |