TIMKEN 2580A-2520A Bearing

TIMKEN 2580A-2520A tapered roller bearings

Also known as : 2580A-2520A

• Inside Diameter: 31.75 mm
• Outside Diameter: 66.421 mm
• Width: 25.4 mm
• Basic dynamic load rating: 83.7 kN
• Basic static load rating: 94.4 kN

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TIMKEN 2580A-2520A Bearing

Series	2500
model	2580A-2520A
Cone Part Number	2580A
Cup Part Number	2520A
Design Units	Imperial
Cage Type	Stamped Steel
Bearing Weight	0.400 Kg 0.90 lb
Dimensions
d - Bore	31.750 mm 1.2500 in
D - Cup Outer Diameter	66.421 mm 2.6150 in
B - Cone Width	25.357 mm 0.9983 in
C - Cup Width	20.638 mm 0.8125 in
T - Bearing Width	25.400 mm 1.0000 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	39.62 mm 1.56 in
db - Cone Backface Backing Diameter	41.40 mm 1.63 in
Da - Cup Frontface Backing Diameter	62.00 mm 2.46 in
Db - Cup Backface Backing Diameter	58.93 mm 2.32 in
Ab - Cage-Cone Frontface Clearance	1.5 mm 0.06 in
Aa - Cage-Cone Backface Clearance	0.5 mm 0.02 in
a - Effective Center Location	-8.60 mm -0.34 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)	21700 N 4880 lbf
C1 - Dynamic Radial Rating (1 million revolutions)	83700 N 18800 lbf
C0 - Static Radial Rating	94400 N 21200 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)	10200 N 2280 lbf
Factors
K - Factor	2.14
e - ISO Factor	0.27
Y - ISO Factor	2.19
G1 - Heat Generation Factor (Roller-Raceway)	23.6
G2 - Heat Generation Factor (Rib-Roller End)	9.63
Cg - Geometry Factor	0.0656

TIMKEN 2580A-2520A bearings, TS (Tapered Single) Imperial, Tapered roller bearings.