Timken 389DE – 382
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
385
Cone Part Number
389DE
Cup Part Number
382
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
55.563 mm
D - Cup Outer Diameter
98.425 mm
B - Double Cone Width
53.188 mm
C - Cup Width
17.826 mm
T - Bearing Width across Cups
51.295 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
0.800 mm
r - Cup Backface "To Clear" Radius2
0.76 mm
da - Cone Frontface Backing Diameter
63 mm
Db - Cup Backface Backing Diameter
89.92 mm
Ab - Cage-Cone Frontface Clearance
2.8 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
23600 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
158000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
41100 N
C6
14300 N
Factors
K - Factor7
1.65
e - ISO Factor8
0.35
Y1 - ISO Factor9
1.91
Y2 - ISO Factor10
2.84
G1 - Heat Generation Factor (Roller-Raceway)
42
G2 - Heat Generation Factor (Rib-Roller End)
15.7
Cg - Geometry Factor11
0.0859
