Timken 1990X
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
1900
Cone Part Number
1990X
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
84200 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
21800 N
Dimensions
d - Cone Bore
23.813 mm
B - Cone Width
21.336 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
3.600 mm
da - Cone Frontface Backing Diameter
29.5 mm
db - Cone Backface Backing Diameter
36 mm
Ab - Cage-Cone Frontface Clearance
2 mm
Aa - Cage-Cone Backface Clearance
2 mm
a - Effective Center Location4
-7.9 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
12500 N
C1 - Dynamic Radial Rating (1 million revolutions)6
48400 N
C0 - Static Radial Rating
50200 N
C7
7080 N
Factors
K - Factor8
1.77
Cg - Geometry Factor9
0.0565
