TIMKEN 15578-15520RB tapered roller bearings | Bearing Kingdom | Supply Bearing in stock | Best Bearing Service | Bearing Manufacturer‎-www.bearingkingdom.com

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TIMKEN 15578-15520RB tapered roller bearings

Inside Diameter: 25.4 mm

Outside Diameter: 57.15 mm

Width: 17.465 mm

Basic dynamic load rating: 54.5 kN

Basic static load rating: 50.1 kN

Dimensions
model	15578-15520RB
Cone Part Number	15578
Cup Part Number	15520RB
Design Units	Imperial
Cage Type	Stamped Steel
Bearing Weight	0.200 Kg 0.50 lb
d - Bore	25.400 mm 1.0000 in
D - Cup Outer Diameter	57.150 mm 2.2500 in
B - Cone Width	17.463 mm 0.6875 in
C - Cup Width	13.495 mm 0.5313 in
T - Bearing Width	17.465 mm 0.6876 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius	1.270 mm 0.050 in
r - Cup Backface "To Clear" Radius	1.52 mm 0.06 in
da - Cone Frontface Backing Diameter	30.48 mm 1.20 in
db - Cone Backface Backing Diameter	32.51 mm 1.28 in
Da - Cup Frontface Backing Diameter	53.10 mm 2.11 in
Db - Cup Backface Backing Diameter	51.05 mm 2.01 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	-5.10 mm -0.20 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