Timken 749-S
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
745
Cone Part Number
749-S
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
656000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
170000 N
Dimensions
d - Cone Bore
85.027 mm
B - Cone Width
46.673 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
5.1 mm
da - Cone Frontface Backing Diameter
95 mm
db - Cone Backface Backing Diameter
104 mm
Ab - Cage-Cone Frontface Clearance
2 mm
Aa - Cage-Cone Backface Clearance
1.3 mm
a - Effective Center Location4
-11.9 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
97600 N
C1 - Dynamic Radial Rating (1 million revolutions)6
377000 N
C0 - Static Radial Rating
417000 N
C7
54400 N
Factors
K - Factor8
1.8
G1 - Heat Generation Factor (Roller-Raceway)
159.6
G2 - Heat Generation Factor (Rib-Roller End)
26.3
Cg - Geometry Factor9
0.0898
