Timken 67790D – 67720
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
67700
Cone Part Number
67790D
Cup Part Number
67720
Design Unit
Inch
Cage Material
Stamped Steel
Related Assembly Number(s)
67790D-90123
Dimensions
d - Bore
177.800 mm
D - Cup Outer Diameter
247.650 mm
B - Double Cone Width
90.488 mm
C - Cup Width
38.100 mm
T - Bearing Width across Cups
90.485 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
191 mm
Db - Cup Backface Backing Diameter
229.11 mm
Ab - Cage-Cone Frontface Clearance
2.8 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
105000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
705000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
183000 N
C6
79000 N
Factors
K - Factor7
1.33
e - ISO Factor8
0.44
Y1 - ISO Factor9
1.54
Y2 - ISO Factor10
2.29
G1 - Heat Generation Factor (Roller-Raceway)
622
G2 - Heat Generation Factor (Rib-Roller End)
122
Cg - Geometry Factor11
0.121
