1779 - 1729-B TIMKEN bearing

Tapered Roller Bearings Tapered Roller Bearings - TSF (Tapered Single with Flange) Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial Timken Part Number 1779 - 1729-BTimken Part Number 1779 - 1729-B, Tapered Roller Bearings - TSF (Tapered Single with Flange) ImperialLike the TS bearing design, the TSF design consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft. TSF bearings have flanged cups to facilitate axial location and accurately align seals in through-bored housings. Specifications | Dimensions | Abutment and Fillet Dimensions | Basic Load Ratings | Factors

Specifications

Series	1700
Cone Part Number	1779
Cup Part Number	1729-B
Design Units	Imperial
Bearing Weight	0.4 lb0.200 Kg
Cage Type	Stamped Steel

Dimensions

d - Bore	0.9375 in23.813 mm
D - Cup Outer Diameter	2.2400 in56.896 mm
D1 - Flange Outer Diameter	2.3920 in60.757 mm
B - Cone Width	0.7810 in19.837 mm
C - Cup Width	0.6250 in15.875 mm
C1 - Cup Flange Width	0.1560 in3.962 mm
T1 - Bearing Width	0.7628 in19.375 mm
T - Bearing Width to Flange	0.2938 in7.463 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1	0.03 in0.800 mm
r - Cup Backface "To Clear" Radius2	0.030 in0.80 mm
da - Cone Frontface Backing Diameter	1.12 in28.40 mm
db - Cone Backface Backing Diameter	1.16 in29.50 mm
Da - Cup Frontface Backing Diameter	2.11 in53.59 mm
Ab - Cage-Cone Frontface Clearance	0.08 in2 mm
Aa - Cage-Cone Backface Clearance	0.01 in0.3 mm
a - Effective Center Location3	-0.27 in-6.90 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)4	2650 lbf11800 N
C1 - Dynamic Radial Rating (1 million revolutions)5	10200 lbf45400 N
C0 - Static Radial Rating	10200 lbf45300 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	1390 lbf6200 N

Factors

K - Factor7	1.9
e - ISO Factor8	0.31
Y - ISO Factor9	1.95
G1 - Heat Generation Factor (Roller-Raceway)10	10.6
G2 - Heat Generation Factor (Rib-Roller End)	5.39
Cg - Geometry Factor11	0.0521

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