Timken 744AH
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
745
Cone Part Number
744AH
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
630000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
163000 N
Dimensions
d - Cone Bore
73.025 mm
B - Cone Width
46.673 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
3.600 mm
da - Cone Frontface Backing Diameter
85 mm
db - Cone Backface Backing Diameter
91 mm
Ab - Cage-Cone Frontface Clearance
3.6 mm
Aa - Cage-Cone Backface Clearance
1 mm
a - Effective Center Location4
-11.9 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
93800 N
C1 - Dynamic Radial Rating (1 million revolutions)6
362000 N
C0 - Static Radial Rating
394000 N
C7
52200 N
Factors
K - Factor8
1.8
G1 - Heat Generation Factor (Roller-Raceway)
153.3
G2 - Heat Generation Factor (Rib-Roller End)
25.3
Cg - Geometry Factor9
0.0886
