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Date: 2016-08-22

Timken 19143 - 19268 bearing stock, Dimensions, Drawing

Series 19000
Cone Part Number 19143
Cup Part Number 19268
Design Units Imperial
Bearing Weight 0.6000 lb
0.3000 Kg
Cage Type Stamped Steel
D - Cup Outer Diameter 2.6875 in
68.263 mm
d - Cone Bore 1.4375 in
36.513 mm
B - Cone Width 0.6504 in
16.520 mm
C - Cup Width 0.4688 in
11.908 mm
T - Bearing Width 0.6250 in
15.875 mm
Z - Number of Rollers Per Row 20
R - Cone Backface "To Clear" Radius1 0.060 in
1.520 mm
r - Cup Backface "To Clear" Radius2 0.060 in
1.52 mm
da - Cone Frontface Backing Diameter 1.63 in
41.40 mm
db - Cone Backface Backing Diameter 1.73 in
43.94 mm
Da - Cup Frontface Backing Diameter 2.60 in
66.00 mm
Db - Cup Backface Backing Diameter 2.40 in
60.96 mm
Ab - Cage-Cone Frontface Clearance 0.06 in
1.52 mm
Aa - Cage-Cone Backface Clearance 0.05 in
1.27 mm
a - Effective Center Location3 -0.06 in
-1.50 mm
C90 - Dynamic Radial Rating (90 million revolutions)1 2960 lbf
13100 N
C1 - Dynamic Radial Rating (1 million revolutions)2 11400 lbf
50700 N
C0 - Static Radial Rating 13000 lbf
57800 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)3 2250 lbf
10000 N
K - Factor1 1.31
e - ISO Factor2 0.44
Y - ISO Factor3 1.35
G1 - Heat Generation Factor (Roller-Raceway) 17.5
G2 - Heat Generation Factor (Rib-Roller End) 11.5
Cg - Geometry Factor 0.0694



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