Specifications of TIMKEN Bearing 388TD - 383
Specifications
Series |
385 |
Cone Part Number |
388TD |
Cup Part Number |
383 |
Design Unit |
Inch |
Bearing Weight |
2.2 lb1 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
2.2651 in57.534 mm |
D – Cup Outer Diameter |
3.937 in100 mm |
B – Double Cone Width |
2.0940 in53.188 mm |
C – Cup Width |
0.8268 in21.001 mm |
T – Bearing Width across Cups |
2.0195 in51.295 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.03 in0.8 mm |
r – Cup Backface “To Clear” Radius2 |
0.08 in2.03 mm |
da – Cone Frontface Backing Diameter |
2.56 in65 mm |
Db – Cup Backface Backing Diameter |
3.50 in88.90 mm |
Ab – Cage-Cone Frontface Clearance |
0.11 in2.8 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
5010 lbf22300 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
33600 lbf150000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
8720 lbf38800 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 |
3040 lbf13500 N |