Specifications of TIMKEN Bearing 72187C - 72488D
Specifications
Series |
72000C |
Cone Part Number |
72187C |
Cup Part Number |
72488D |
Design Unit |
Inch |
Bearing Weight |
9.72 lb4.41 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 |
2.95 in75 mm |
Da – Cup Frontface Backing Diameter |
4.56 in115.82 mm |
Aa – Cage-Cone Backface Clearance |
0.15 in3.8 mm |
a – Effective Center Location3 |
0.08 in2 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
12500 lbf55500 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
83900 lbf373000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
21700 lbf96700 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
15800 lbf70100 N |