Timken 18690 – 18620D
Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
18600
Cone Part Number
18690
Cup Part Number
18620D
Design Unit
Inch
Cage Material
Stamped Steel
Related Assembly Number(s)
18690-90019
Dimensions
d - Bore
46.038 mm
D - Cup Outer Diameter
79.375 mm
B - Cone Width
17.463 mm
C - Double Cup Width
33.338 mm
T - Bearing Width across Cones
41.270 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
2.8 mm
r - Cup Backface "To Clear" Radius2
0.8 mm
db - Cone Backface Backing Diameter
56 mm
Da - Cup Frontface Backing Diameter
73.91 mm
Aa - Cage-Cone Backface Clearance
0.3 mm
a - Effective Center Location3
-2 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4
13500 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5
90600 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6
23500 N
C7
8630 N
Factors
K - Factor8
1.56
e - ISO Factor9
0.37
Y1 - ISO Factor10
1.8
Y2 - ISO Factor11
2.69
Cg - Geometry Factor12
0.0725
