TIMKEN 1280-1220 Bearing

TIMKEN 1280-1220 tapered roller bearings

Also known as : 1280-1220

  • Inside Diameter: 22.225 mm
  • Outside Diameter: 57.15 mm
  • Width: 22.225 mm
  • Basic dynamic load rating: 55.3 kN
  • Basic static load rating: 55.1 kN

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TIMKEN 1280-1220 Bearing

TIMKEN 1280-1220 Bearing details

Series 1200
model 1280-1220
Cone Part Number 1280
Cup Part Number 1220
Design Units Imperial
Cage Type Stamped Steel
Bearing Weight 0.300 Kg
0.60 lb
Dimensions
d - Bore 22.225 mm
0.8750 in
D - Cup Outer Diameter 57.150 mm
2.2500 in
B - Cone Width 22.225 mm
0.8750 in
C - Cup Width 17.463 mm
0.6875 in
T - Bearing Width 22.225 mm
0.8750 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 28.96 mm
1.14 in
db - Cone Backface Backing Diameter 29.46 mm
1.16 in
Da - Cup Frontface Backing Diameter 52.10 mm
2.07 in
Db - Cup Backface Backing Diameter 49.02 mm
1.93 in
Ab - Cage-Cone Frontface Clearance 1.5 mm
0.06 in
Aa - Cage-Cone Backface Clearance 0.3 mm
0.01 in
a - Effective Center Location -6.9 mm
-0.27 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions) 14300 N
3230 lbf
C1 - Dynamic Radial Rating (1 million revolutions) 55300 N
12400 lbf
C0 - Static Radial Rating 55100 N
12400 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions) 8510 N
1910 lbf
Factors
K - Factor 1.69
e - ISO Factor 0.35
Y - ISO Factor 1.73
G1 - Heat Generation Factor (Roller-Raceway) 11.4
G2 - Heat Generation Factor (Rib-Roller End) 5.52
Cg - Geometry Factor 0.0556

TIMKEN 1280-1220 bearings, TS (Tapered Single) Imperial, Tapered roller bearings.

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