Specifications
Series :495
Cone Part Number : 496TD
Cup Part Number :493
Design Unit : Inch
Cage Material : Stamped Steel
Related Assembly Number(s)：
496D-90052
496D-90153
496D-902A9
496D-90316
Dimensions
d - Bore : 3 3/16in / 80.963mm
D - Cup Outer Diameter : 5.3750 in / 136.525 mm
B - Double Cone Width : 2.3440 in / 59.538 mm
C - Cup Width : 0.8750 in / 22.225mm
T - Bearing Width across Cups : 2.3750 in / 60.325mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1 : 0.06 in / 1.5mm
r - Cup Backface "To Clear" Radius2 : 1.30 in / 3.30mm
da - Cone Frontface Backing Diameter : 3.58in / 91mm
Db - Cup Backface Backing Diameter : 4.80 in / 121.92mm
Ab - Cage-Cone Frontface Clearance : 0.12 in / 3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 :9000 lbf / 40000N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4: 60500 lbf /296000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 :15700lbf/ 69700N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 : 6050 lbf /30500 N
Factors
K - Factor7 : 1.31
e - ISO Factor8 : 0.44
Y1 - ISO Factor9 : 1.52
Y2 - ISO Factor10 : 2.26
G1 - Heat Generation Factor (Roller-Raceway) ：105
G2 - Heat Generation Factor (Rib-Roller End)： 29.3
Cg - Geometry Factor11 : 0.125
