Timken 496D – 493
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
495
Cone Part Number
496D
Cup Part Number
493
Design Unit
Inch
Cage Material
Stamped Steel
Related Assembly Number(s)
496D-90052
Dimensions
d - Bore
80.963 mm
D - Cup Outer Diameter
136.525 mm
B - Double Cone Width
59.538 mm
C - Cup Width
22.225 mm
T - Bearing Width across Cups
60.325 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
1.5 mm
r - Cup Backface "To Clear" Radius2
3.30 mm
da - Cone Frontface Backing Diameter
91 mm
Db - Cup Backface Backing Diameter
121.92 mm
Ab - Cage-Cone Frontface Clearance
3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
40000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
269000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
69700 N
C6
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
