TIMKEN 1780-1730 Bearing

TIMKEN 1780-1730 tapered roller bearings

Also known as : 1780-1730

• Inside Diameter: 25.4 mm
• Outside Diameter: 53.975 mm
• Width: 19.368 mm
• Basic dynamic load rating: 45.4 kN
• Basic static load rating: 45.3 kN

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TIMKEN 1780-1730 Bearing

Series	1700
model	1780-1730
Cone Part Number	1780
Cup Part Number	1730
Design Units	Imperial
Cage Type	Stamped Steel
Bearing Weight	0.200 Kg 0.4 lb
Dimensions
d - Bore	25.400 mm 1.0000 in
D - Cup Outer Diameter	53.975 mm 2.1250 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	0.76 mm 0.030 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	51.05 mm 2.01 in
Db - Cup Backface Backing Diameter	48.51 mm 1.91 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)	5.39
Cg - Geometry Factor	0.0521

TIMKEN 1780-1730 bearings, TS (Tapered Single) Imperial, Tapered roller bearings.