Timken 78215
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
78000
Cone Part Number
78215
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
353000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
91500 N
Dimensions
d - Cone Bore
53.975 mm
B - Cone Width
33.236 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
3.600 mm
da - Cone Frontface Backing Diameter
75 mm
db - Cone Backface Backing Diameter
81 mm
Ab - Cage-Cone Frontface Clearance
5.1 mm
Aa - Cage-Cone Backface Clearance
6.1 mm
a - Effective Center Location4
7.9 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
52600 N
C1 - Dynamic Radial Rating (1 million revolutions)6
203000 N
C0 - Static Radial Rating
193000 N
C7
77900 N
Factors
K - Factor8
0.67
G1 - Heat Generation Factor (Roller-Raceway)
62.6
G2 - Heat Generation Factor (Rib-Roller End)
19.1
Cg - Geometry Factor9
0.0884
