TIMKEN 15578-15520-B Bearing

TIMKEN 15578-15520-B tapered bearings with Flange

Also known as : 15578-15520-B

• Inside Diameter: 25.4 mm
• Outside Diameter: 57.15 mm
• Width: 7.938 mm
• Basic dynamic load rating: 54.5 kN
• Basic static load rating: 50.1 kN

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TIMKEN 15578-15520-B Bearing

Series	15500
model	15578-15520-B
Cone Part Number	15578
Cup Part Number	15520-B
Design Units	Imperial
Cage Type	Stamped Steel
Bearing Weight	0.400 Kg 0.80 lb
Dimensions
d - Bore	25.400 mm 1.0000 in
D - Cup Outer Diameter	57.150 mm 2.2500 in
D1 - Flange Outer Diameter	61.016 mm 2.4022 in
B - Cone Width	17.463 mm 0.6875 in
C - Cup Width	13.495 mm 0.5313 in
C1 - Cup Flange Width	3.970 mm 0.1563 in
T - Bearing Width to Flange	7.938 mm 0.3125 in
T1 - Bearing Width	17.463 mm 0.6875 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius	1.300 mm 0.050 in
r - Cup Backface "To Clear" Radius	1.5 mm 0.06 in
da - Cone Frontface Backing Diameter	30.5 mm 1.2 in
db - Cone Backface Backing Diameter	32.5 mm 1.28 in
Da - Cup Frontface Backing Diameter	59.94 mm 2.40 in
Ab - Cage-Cone Frontface Clearance	2.5 mm 0.1 in
Aa - Cage-Cone Backface Clearance	0 mm 0 in
a - Effective Center Location	-5.1 mm -0.2 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)	14100 N 3180 lbf
C1 - Dynamic Radial Rating (1 million revolutions)	54500 N 12300 lbf
C0 - Static Radial Rating	50100 N 11300 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)	8380 N 1880 lbf
Factors
K - Factor	1.69
e - ISO Factor	0.35
Y - ISO Factor	1.73
G1 - Heat Generation Factor (Roller-Raceway)	12.7
G2 - Heat Generation Factor (Rib-Roller End)	10.3
Cg - Geometry Factor	0.0577

As TIMKEN bearing distributor, Nodes bearings have TIMKEN 15578-15520-B bearings in stock, TSF (Tapered Single with Flange) Imperial , Tapered roller bearings.

Like the TS bearing design, the TSF design consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft. TSF bearings have flanged cups to facilitate axial location and accurately align seals in through-bored housings.