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Date: 2016-08-22

Timken 66187 - 66462 bearing stock, Dimensions, Drawing

Series 66000
Cone Part Number 66187
Cup Part Number 66462
Design Units Imperial
Bearing Weight 3.7000 lb
1.7000 Kg
Cage Type Stamped Steel
D - Cup Outer Diameter 4.6250 in
117.475 mm
d - Cone Bore 1.8750 in
47.625 mm
B - Cone Width 1.2500 in
31.750 mm
C - Cup Width 0.9375 in
23.813 mm
T - Bearing Width 1.3125 in
33.338 mm
Z - Number of Rollers Per Row 16
R - Cone Backface "To Clear" Radius1 0.140 in
3.560 mm
r - Cup Backface "To Clear" Radius2 0.130 in
3.30 mm
da - Cone Frontface Backing Diameter 2.44 in
61.98 mm
db - Cone Backface Backing Diameter 2.72 in
69.09 mm
Da - Cup Frontface Backing Diameter 4.41 in
112.00 mm
Db - Cup Backface Backing Diameter 3.94 in
100.08 mm
Ab - Cage-Cone Frontface Clearance 0.08 in
2.03 mm
Aa - Cage-Cone Backface Clearance 0.20 in
5.08 mm
a - Effective Center Location3 -0.01 in
-0.30 mm
C90 - Dynamic Radial Rating (90 million revolutions)1 10300 lbf
45800 N
C1 - Dynamic Radial Rating (1 million revolutions)2 39700 lbf
177000 N
C0 - Static Radial Rating 37300 lbf
166000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)3 11000 lbf
49100 N
K - Factor1 0.93
e - ISO Factor2 0.63
Y - ISO Factor3 0.96
G1 - Heat Generation Factor (Roller-Raceway) 50.2
G2 - Heat Generation Factor (Rib-Roller End) 16.4
Cg - Geometry Factor 0.0751



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