Timken 38880
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Cone Part Number
38880
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
386000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
100000 N
Dimensions
d - Cone Bore
263.525 mm
B - Cone Width
28.575 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
1.520 mm
da - Cone Frontface Backing Diameter
275 mm
db - Cone Backface Backing Diameter
275 mm
Ab - Cage-Cone Frontface Clearance
2.5 mm
Aa - Cage-Cone Backface Clearance
0.3 mm
a - Effective Center Location4
20.3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
57400 N
C1 - Dynamic Radial Rating (1 million revolutions)6
221000 N
C0 - Static Radial Rating
554000 N
C7
35900 N
Factors
K - Factor8
1.6
G1 - Heat Generation Factor (Roller-Raceway)
1030
G2 - Heat Generation Factor (Rib-Roller End)
496
Cg - Geometry Factor9
0.168
