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Date: 2016-08-22

Timken 44143 - 44348 bearing stock, Dimensions, Drawing

Series 44000
Cone Part Number 44143
Cup Part Number 44348
Design Units Imperial
Bearing Weight 1.6000 lb
0.7000 Kg
Cage Type Stamped Steel
D - Cup Outer Diameter 3.4843 in
88.501 mm
d - Cone Bore 1.4375 in
36.513 mm
B - Cone Width 0.9330 in
23.698 mm
C - Cup Width 0.6875 in
17.463 mm
T - Bearing Width 1.0000 in
25.400 mm
Z - Number of Rollers Per Row 15
R - Cone Backface "To Clear" Radius1 0.090 in
2.290 mm
r - Cup Backface "To Clear" Radius2 0.060 in
1.52 mm
da - Cone Frontface Backing Diameter 1.97 in
50.04 mm
db - Cone Backface Backing Diameter 2.13 in
54.10 mm
Da - Cup Frontface Backing Diameter 3.34 in
84.10 mm
Db - Cup Backface Backing Diameter 2.95 in
74.93 mm
Ab - Cage-Cone Frontface Clearance 0.10 in
2.54 mm
Aa - Cage-Cone Backface Clearance 0.15 in
3.81 mm
a - Effective Center Location3 0.09 in
2.30 mm
C90 - Dynamic Radial Rating (90 million revolutions)1 5810 lbf
25900 N
C1 - Dynamic Radial Rating (1 million revolutions)2 22400 lbf
99800 N
C0 - Static Radial Rating 19900 lbf
88600 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)3 7770 lbf
34600 N
K - Factor1 0.75
e - ISO Factor2 0.78
Y - ISO Factor3 0.77
G1 - Heat Generation Factor (Roller-Raceway) 22.9
G2 - Heat Generation Factor (Rib-Roller End) 8.71
Cg - Geometry Factor 0.0899



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