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Date: 2016-08-22

Timken 26880 - 26821 bearing stock, Dimensions, Drawing

Series 26800
Cone Part Number 26880
Cup Part Number 26821
Design Units Imperial
Bearing Weight 1.4000 lb
0.6000 Kg
Cage Type Stamped Steel
D - Cup Outer Diameter 3.1562 in
80.167 mm
d - Cone Bore 1.5625 in
39.688 mm
B - Cone Width 1.0000 in
25.400 mm
C - Cup Width 0.9688 in
24.608 mm
T - Bearing Width 1.1563 in
29.370 mm
Z - Number of Rollers Per Row 18
R - Cone Backface "To Clear" Radius1 0.060 in
1.520 mm
r - Cup Backface "To Clear" Radius2 0.130 in
3.30 mm
da - Cone Frontface Backing Diameter 1.79 in
45.47 mm
db - Cone Backface Backing Diameter 1.89 in
48.01 mm
Da - Cup Frontface Backing Diameter 2.94 in
74.68 mm
Db - Cup Backface Backing Diameter 2.68 in
68.07 mm
Ab - Cage-Cone Frontface Clearance 0.05 in
1.27 mm
Aa - Cage-Cone Backface Clearance 0.06 in
1.52 mm
a - Effective Center Location3 -0.29 in
-7.40 mm
C90 - Dynamic Radial Rating (90 million revolutions)1 5310 lbf
23600 N
C1 - Dynamic Radial Rating (1 million revolutions)2 20500 lbf
91100 N
C0 - Static Radial Rating 24800 lbf
110000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)3 2900 lbf
12900 N
K - Factor1 1.83
e - ISO Factor2 0.32
Y - ISO Factor3 1.88
G1 - Heat Generation Factor (Roller-Raceway) 32.8
G2 - Heat Generation Factor (Rib-Roller End) 13.3
Cg - Geometry Factor 0.077



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