Specifications of TIMKEN Bearing 27881 - 27820D
Specifications
Series |
27800 |
Cone Part Number |
27881 |
Cup Part Number |
27820D |
Design Unit |
Inch |
Bearing Weight |
2.59 lb1.175 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
1 1/2 in38.1 mm |
D – Cup Outer Diameter |
3.1510 in80.035 mm |
B – Cone Width |
0.9330 in23.698 mm |
C – Double Cup Width |
1.7700 in44.958 mm |
T – Bearing Width across Cones |
2.2500 in57.150 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.14 in3.6 mm |
r – Cup Backface “To Clear” Radius2 |
0.03 in0.8 mm |
db – Cone Backface Backing Diameter |
2.09 in53 mm |
Da – Cup Frontface Backing Diameter |
2.99 in74.93 mm |
Aa – Cage-Cone Backface Clearance |
0.1 in2.5 mm |
a – Effective Center Location3 |
-0.1 in-2.5 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
4550 lbf20200 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
30500 lbf136000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
7920 lbf35200 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
4370 lbf19400 N |