Timken 18685 – 18620-B
Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
18685 – 18620-B
Specifications
Series
18600
Cone Part Number
18685
Cup Part Number
18620-B
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
44.450 mm
D - Cup Outer Diameter
79.375 mm
D1 - Flange Outer Diameter
84.038 mm
B - Cone Width
17.463 mm
C - Cup Width
13.495 mm
C1 - Cup Flange Width
3.571 mm
T1 - Bearing Width to Flange
7.539 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
2.8 mm
r - Cup Backface "To Clear" Radius2
1.5 mm
da - Cone Frontface Backing Diameter
49.5 mm
db - Cone Backface Backing Diameter
55 mm
Da - Cup Frontface Backing Diameter
77.47 mm
Ab - Cage-Cone Frontface Clearance
2.3 mm
Aa - Cage-Cone Backface Clearance
0.3 mm
a - Effective Center Location3
-2 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
13500 N
C1 - Dynamic Radial Rating (1 million revolutions)5
52000 N
C0 - Static Radial Rating
61300 N
C6
8630 N
Factors
K - Factor7
1.56
e - ISO Factor8
0.37
Y - ISO Factor9
1.6
G1 - Heat Generation Factor (Roller-Raceway)
23.9
G2 - Heat Generation Factor (Rib-Roller End)
17.7
Cg - Geometry Factor10
0.0725
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18685 – 18620-B
