TDO Imperial Double row tapered roller bearings 15120 - 15251D
Specifications
Series :15000
Cone Part Number : 15120
Cup Part Number : 15251D
Design Unit : Inch
Cage Material : Stamped Steel
Dimensions
d - Bore : 1.18925in / 30.213mm
D - Cup Outer Diameter : 2.5000 in /63.500mm
B - Double Cone Width : 0.8125in / 20.638mm
C - Double Cup Width : 1.4375in / 36.513mm
T - Bearing Width across Cones : 1.8124in / 46.035mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1 : 0.03in / 0.800mm
r - Cup Backface "To Clear" Radius2 : 0.030 in / 0.8mm
db - Cone Backface Backing Diameter : 1.42 in / 36mm
Da - Cup Frontface Backing Diameter : 2.34in / 58.93mm
Aa - Cage-Cone Backface Clearance : 0 .03in / 0.8mm
a - Effective Center Location3 : -0.23n / -5.8mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 :3490lbf/ 15500N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5: 23400 lbf /104000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 : 6080lbf/ 27000N
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 : 2090 lbf /9310N
Factors
K - Factor8 : 1.67
e - ISO Factor9 : 0.35
Y1 - ISO Factor10 : 1.93
Y2 - ISO Factor11: 2.87
Cg - Geometry Factor12 ：0.0606
