TIMKEN 2581-2520A Bearing

TIMKEN 2581-2520A tapered roller bearings

Also known as : 2581-2520A

  • Inside Diameter: 33.338 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 2581-2520A Bearing

TIMKEN 2581-2520A Bearing details

Series 2500
model 2581-2520A
Cone Part Number 2581
Cup Part Number 2520A
Design Units Imperial
Cage Type Stamped Steel
Bearing Weight 0.400 Kg
0.90 lb
Dimensions
d - Bore 33.338 mm
1.3125 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 0.760 mm
0.03 in
r - Cup Backface "To Clear" Radius 1.52 mm
0.06 in
da - Cone Frontface Backing Diameter 39.12 mm
1.54 in
db - Cone Backface Backing Diameter 39.62 mm
1.56 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) 9.6
Cg - Geometry Factor 0.0656

TIMKEN 2581-2520A bearings, TS (Tapered Single) Imperial, Tapered roller bearings.

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