TIMKEN 34301 - 34481-B | Tapered Roller Bearings - TSF

TIMKEN Bearing 34301 - 34481-B

Like 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.

Material: Bearing steels

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Specifications Product Description Literature & catalogs Videos Substitute products You may also like

Specifications of TIMKEN Bearing 34301 - 34481-B

Specifications

Series	34000
Cone Part Number	34301
Cup Part Number	34481-B
Design Unit	Inch
Bearing Weight	1.7 lb0.8 Kg
Cage Material	Stamped Steel

Dimensions

d – Bore	3 in76.2 mm
D – Cup Outer Diameter	4.8125 in122.238 mm
D1 – Flange Outer Diameter	4.9961 in126.901 mm
B – Cone Width	0.9060 in23.012 mm
C – Cup Width	0.8437 in21.430 mm
C1 – Cup Flange Width	0.1875 in4.763 mm
T1 – Bearing Width to Flange	0.3126 in7.940 mm

Abutment and Fillet Dimensions

R – Cone Backface “To Clear” Radius¹	0.14 in3.6 mm
r – Cup Backface “To Clear” Radius²	0.08 in2 mm
da – Cone Frontface Backing Diameter	3.27 in83 mm
db – Cone Backface Backing Diameter	3.5 in89 mm
Da – Cup Frontface Backing Diameter	4.67 in118.11 mm
Ab – Cage-Cone Frontface Clearance	0.1 in2.5 mm
Aa – Cage-Cone Backface Clearance	0.09 in2.3 mm
a – Effective Center Location³	0.06 in1.5 mm

Basic Load Ratings

C90 – Dynamic Radial Rating (90 million revolutions)⁴	5960 lbf26500 N
C1 – Dynamic Radial Rating (1 million revolutions)⁵	23000 lbf102000 N
C0 – Static Radial Rating	30600 lbf136000 N
C_a90 – Dynamic Thrust Rating (90 million revolutions)⁶	4600 lbf20500 N

Factors

K – Factor⁷	1.3
e – ISO Factor⁸	0.45
Y – ISO Factor⁹	1.33
G1 – Heat Generation Factor (Roller-Raceway)	69.3
G2 – Heat Generation Factor (Rib-Roller End)	27
Cg – Geometry Factor¹⁰	0.109

Literature & catalogs

TIMKEN -LUBRICATION

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TIMKEN -TYPE- TDI

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TIMKEN-TAPERED ROLLER BEARING CAGES

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TIMKEN-TYPE- TS

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Videos

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Timken Tricks of the Trade – Installing a Timken® Set Right® Bearing

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Timken Tricks of the Trade Wheel End Bearing Removal Tips

TIMKEN Bearing 34301 - 34481-B