TIMKEN 12580-12520 Bearing

TIMKEN 12580-12520 tapered roller bearings

Also known as : 12580-12520

  • Inside Diameter: 20.638 mm
  • Outside Diameter: 49.225 mm
  • Width: 19.845 mm
  • Basic dynamic load rating: 43.6 kN
  • Basic static load rating: 43.2 kN

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TIMKEN 12580-12520 Bearing

TIMKEN 12580-12520 Bearing details

Series 12500
model 12580-12520
Cone Part Number 12580
Cup Part Number 12520
Design Units Imperial
Cage Type Stamped Steel
Bearing Weight 0.200 Kg
0.4 lb
Dimensions
d - Bore 20.638 mm
0.8125 in
D - Cup Outer Diameter 49.225 mm
1.9380 in
B - Cone Width 19.845 mm
0.7813 in
C - Cup Width 15.875 mm
0.6250 in
T - Bearing Width 19.845 mm
0.7813 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius 1.520 mm
0.06 in
r - Cup Backface "To Clear" Radius 1.52 mm
0.06 in
da - Cone Frontface Backing Diameter 25.91 mm
1.02 in
db - Cone Backface Backing Diameter 28.45 mm
1.12 in
Da - Cup Frontface Backing Diameter 45.97 mm
1.81 in
Db - Cup Backface Backing Diameter 42.42 mm
1.67 in
Ab - Cage-Cone Frontface Clearance 2 mm
0.08 in
Aa - Cage-Cone Backface Clearance 0.3 mm
0.01 in
a - Effective Center Location -7.10 mm
-0.28 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions) 11300 N
2540 lbf
C1 - Dynamic Radial Rating (1 million revolutions) 43600 N
9810 lbf
C0 - Static Radial Rating 43200 N
9720 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions) 6260 N
1410 lbf
Factors
K - Factor 1.81
e - ISO Factor 0.32
Y - ISO Factor 1.86
G1 - Heat Generation Factor (Roller-Raceway) 8.6
G2 - Heat Generation Factor (Rib-Roller End) 6.21
Cg - Geometry Factor 0.0495

TIMKEN 12580-12520 bearings, TS (Tapered Single) Imperial, Tapered roller bearings.