Specifications
Series :71000
Cone Part Number : 71426D
Cup Part Number : 71750
Design Unit : Inch
Cage Material : Stamped Steel
Related Assembly Number(s)：
71426D-902A1
71426D-902A2
Dimensions
d - Bore : 4.25 in / 107.95mm
D - Cup Outer Diameter : 7.5 in / 190.5 mm
B - Double Cone Width : 4 in /101.600mm
C - Cup Width : 1.3750 in / 34.925 mm
T - Bearing Width across Cups : 3.8749 in / 98.422 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1 : 0.06 in / 1.5mm
r - Cup Backface "To Clear" Radius2 : 0.130 in / 3.30mm
da - Cone Frontface Backing Diameter : 4.8 in / 122mm
Db - Cup Backface Backing Diameter : 6.73 in / 170.94 mm
Ab - Cage-Cone Frontface Clearance : 0.1in / 2.5 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 : 21200lbf/ 94300N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4: 142000 lbf /633000 N
C90(2) - Dynamic Radial Rating(Two-Row, 90 million revolutions)5 :36900lbf/ 164000N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 : 15100 lbf /67100 N
Factors
K - Factor7 : 1.4
e - ISO Factor8 : 0.42
Y1 - ISO Factor9 : 1.62
Y2 - ISO Factor10 : 2.42
G1 - Heat Generation Factor (Roller-Raceway) ：820
G2 - Heat Generation Factor (Rib-Roller End)： 172
Cg - Geometry Factor11 : 0.116
