Specifications of TIMKEN Bearing 87750 - 87112DC
Specifications
Series |
87000 |
Cone Part Number |
87750 |
Cup Part Number |
87112DC |
Design Unit |
Inch |
Bearing Weight |
44.27 lb20.079 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
7 1/2 in190.5 mm |
D – Cup Outer Diameter |
11.1250 in282.575 mm |
B – Cone Width |
1.875 in47.625 mm |
C – Double Cup Width |
3.1250 in79.375 mm |
T – Bearing Width across Cones |
4.25 in107.95 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 |
8.23 in209 mm |
Da – Cup Frontface Backing Diameter |
10.51 in266.95 mm |
Aa – Cage-Cone Backface Clearance |
0.32 in8.1 mm |
a – Effective Center Location3 |
0.15 in3.8 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
29700 lbf132000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
199000 lbf886000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
51700 lbf230000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
21100 lbf93900 N |