Timken 8574 – 8520
Tapered Roller Bearings-TS(Tapered Single)Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
8500
Cone Part Number
8574
Cup Part Number
8520
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
234.95 mm
D - Cup Outer Diameter
327.025 mm
B - Cone Width
52.388 mm
C - Cup Width
36.513 mm
T - Bearing Width
52.388 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
6.4 mm
r - Cup Backface "To Clear" Radius2
3.30 mm
da - Cone Frontface Backing Diameter
248 mm
db - Cone Backface Backing Diameter
259 mm
Da - Cup Frontface Backing Diameter
314.96 mm
Db - Cup Backface Backing Diameter
305.05 mm
Ab - Cage-Cone Frontface Clearance
3.8 mm
Aa - Cage-Cone Backface Clearance
5.8 mm
a - Effective Center Location3
7.6 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
139000 N
C1 - Dynamic Radial Rating (1 million revolutions)5
537000 N
C0 - Static Radial Rating
1010000 N
C6
96900 N
Factors
K - Factor7
1.44
e - ISO Factor8
0.41
Y - ISO Factor9
1.48
G1 - Heat Generation Factor (Roller-Raceway)
1010.5
G2 - Heat Generation Factor (Rib-Roller End)
166.1
Cg - Geometry Factor10
0.138
