Timken 1178X
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Cone Part Number
1178X
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
64400 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
16700 N
Dimensions
d - Cone Bore
15.875 mm
B - Cone Width
22.555 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
1.520 mm
da - Cone Frontface Backing Diameter
21 mm
db - Cone Backface Backing Diameter
23 mm
Ab - Cage-Cone Frontface Clearance
0 mm
Aa - Cage-Cone Backface Clearance
0 mm
a - Effective Center Location4
-10.9 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
9590 N
C1 - Dynamic Radial Rating (1 million revolutions)6
37000 N
C0 - Static Radial Rating
36300 N
C7
4050 N
Factors
K - Factor8
2.37
G1 - Heat Generation Factor (Roller-Raceway)
6.7
G2 - Heat Generation Factor (Rib-Roller End)
4.8
Cg - Geometry Factor9
0.0413
