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Date: 2016-08-22

Timken 455A - 453A bearing stock, Dimensions, Drawing

Series 455
Cone Part Number 455A
Cup Part Number 453A
Design Units Imperial
Bearing Weight 3.1000 lb
1.4000 Kg
Cage Type Stamped Steel
D - Cup Outer Diameter 4.2500 in
107.950 mm
d - Cone Bore 1.5000 in
38.100 mm
B - Cone Width 1.1542 in
29.317 mm
C - Cup Width 0.8750 in
22.225 mm
T - Bearing Width 1.0938 in
27.783 mm
Z - Number of Rollers Per Row 18
R - Cone Backface "To Clear" Radius1 0.140 in
3.560 mm
r - Cup Backface "To Clear" Radius2 0.030 in
0.76 mm
da - Cone Frontface Backing Diameter 1.95 in
49.53 mm
db - Cone Backface Backing Diameter 2.20 in
55.88 mm
Da - Cup Frontface Backing Diameter 3.96 in
100.10 mm
Db - Cup Backface Backing Diameter 3.82 in
97.03 mm
Ab - Cage-Cone Frontface Clearance 0.05 in
1.27 mm
Aa - Cage-Cone Backface Clearance 0.09 in
2.29 mm
a - Effective Center Location3 -0.28 in
-7.10 mm
C90 - Dynamic Radial Rating (90 million revolutions)1 7900 lbf
35200 N
C1 - Dynamic Radial Rating (1 million revolutions)2 30500 lbf
136000 N
C0 - Static Radial Rating 37200 lbf
166000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)3 4540 lbf
20200 N
K - Factor1 1.74
e - ISO Factor2 0.34
Y - ISO Factor3 1.79
G1 - Heat Generation Factor (Roller-Raceway) 58.6
G2 - Heat Generation Factor (Rib-Roller End) 17.1
Cg - Geometry Factor 0.0946



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