Timken 74555D – 74845
Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
74000
Cone Part Number
74555D
Cup Part Number
74845
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
139.700 mm
D - Cup Outer Diameter
214.975 mm
B - Double Cone Width
106.363 mm
C - Cup Width
34.925 mm
T - Bearing Width across Cups
94.640 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
154 mm
Db - Cup Backface Backing Diameter
196.09 mm
Ab - Cage-Cone Frontface Clearance
-2.3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3
88400 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
594000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
154000 N
C6
73800 N
Factors
K - Factor7
1.2
e - ISO Factor8
0.49
Y1 - ISO Factor9
1.38
Y2 - ISO Factor10
2.06
Cg - Geometry Factor11
0.131
