Specifications of TIMKEN Bearing 389
Specifications
Series |
385 |
Cone Part Number |
389 |
Design Units |
Imperial |
Cage Type |
Stamped Steel |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
42200 lbf188000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
10900 lbf48700 N |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius3 |
0.09 in2.3 mm |
da – Cone Frontface Backing Diameter |
2.4 in61 mm |
db – Cone Backface Backing Diameter |
2.56 in65 mm |
Ab – Cage-Cone Frontface Clearance |
0.11 in2.8 mm |
Aa – Cage-Cone Backface Clearance |
0.03 in0.8 mm |
a – Effective Center Location4 |
-0.12 in-3 mm |