Timken 390
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
395
Cone Part Number
390
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
172000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
44600 N
Dimensions
d - Cone Bore
57.150 mm
B - Cone Width
21.996 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
2.300 mm
da - Cone Frontface Backing Diameter
66 mm
db - Cone Backface Backing Diameter
70 mm
Ab - Cage-Cone Frontface Clearance
2.8 mm
Aa - Cage-Cone Backface Clearance
1.3 mm
a - Effective Center Location4
-0.8 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
25600 N
C1 - Dynamic Radial Rating (1 million revolutions)6
98900 N
C0 - Static Radial Rating
125000 N
C7
17600 N
Factors
K - Factor8
1.45
G1 - Heat Generation Factor (Roller-Raceway)
56
G2 - Heat Generation Factor (Rib-Roller End)
21.4
Cg - Geometry Factor9
0.0984
