Timken 80780 – 80720
Tapered Roller Bearings-TS(Tapered Single)Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
80700
Cone Part Number
80780
Cup Part Number
80720
Design Unit
Inch
Cage Material
Stamped Steel
Related Assembly Number(s)
80780-90010
Dimensions
d - Bore
635.000 mm
D - Cup Outer Diameter
736.600 mm
B - Cone Width
53.975 mm
C - Cup Width
41.275 mm
T - Bearing Width
57.150 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
3.300 mm
r - Cup Backface "To Clear" Radius2
3.30 mm
da - Cone Frontface Backing Diameter
651 mm
db - Cone Backface Backing Diameter
654 mm
Da - Cup Frontface Backing Diameter
719.30 mm
Db - Cup Backface Backing Diameter
713.99 mm
Ab - Cage-Cone Frontface Clearance
2.3 mm
Aa - Cage-Cone Backface Clearance
7.4 mm
a - Effective Center Location3
69.3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
169000 N
C1 - Dynamic Radial Rating (1 million revolutions)5
654000 N
C0 - Static Radial Rating
1830000 N
C6
127000 N
Factors
K - Factor7
1.33
e - ISO Factor8
0.44
Y - ISO Factor9
1.37
G1 - Heat Generation Factor (Roller-Raceway)
5880
G2 - Heat Generation Factor (Rib-Roller End)
1625
Cg - Geometry Factor10
0.246
