TIMKEN 1780-1729X Bearing

TIMKEN 1780-1729X tapered roller bearings

Also known as : 1780-1729X

  • Inside Diameter: 25.4 mm
  • Outside Diameter: 56.896 mm
  • Width: 19.368 mm
  • Basic dynamic load rating: 45.4 kN
  • Basic static load rating: 45.3 kN

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TIMKEN 1780-1729X Bearing

TIMKEN 1780-1729X Bearing details

Series 1700
model 1780-1729X
Cone Part Number 1780
Cup Part Number 1729X
Design Units Imperial
Cage Type Stamped Steel
Bearing Weight 0.200 Kg
0.50 lb
Dimensions
d - Bore 25.400 mm
1.0000 in
D - Cup Outer Diameter 56.896 mm
2.2400 in
B - Cone Width 19.837 mm
0.7810 in
C - Cup Width 15.875 mm
0.6250 in
T - Bearing Width 19.368 mm
0.7625 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 29.97 mm
1.18 in
db - Cone Backface Backing Diameter 30.48 mm
1.20 in
Da - Cup Frontface Backing Diameter 51.10 mm
2.05 in
Db - Cup Backface Backing Diameter 49.02 mm
1.93 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 -6.9 mm
-0.27 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions) 11800 N
2650 lbf
C1 - Dynamic Radial Rating (1 million revolutions) 45400 N
10200 lbf
C0 - Static Radial Rating 45300 N
10200 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions) 6200 N
1390 lbf
Factors
K - Factor 1.9
e - ISO Factor 0.31
Y - ISO Factor 1.95
G1 - Heat Generation Factor (Roller-Raceway) 10.6
G2 - Heat Generation Factor (Rib-Roller End) 5.4
Cg - Geometry Factor 0.0521

TIMKEN 1780-1729X bearings, TS (Tapered Single) Imperial, Tapered roller bearings.

TIMKEN bearing cross reference

TIMKEN 1780-1730 bearing
25.400mm x 53.975mm x 19.368mm
TIMKEN 1780-1729 bearing
25.400mm x 56.896mm x 19.368mm
TIMKEN 1780-1738X bearing
25.400mm x 57.150mm x 20.218mm