TIMKEN 48685 - 48620-B | Tapered Roller Bearings - TSF

TIMKEN Bearing 48685 - 48620-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 48685 - 48620-B

Specifications

Series	48600
Cone Part Number	48685
Cup Part Number	48620-B
Design Unit	Inch
Bearing Weight	8.5 lb3.9 Kg
Cage Material	Stamped Steel

Dimensions

d – Bore	5.625 in142.875 mm
D – Cup Outer Diameter	7.875 in200.025 mm
D1 – Flange Outer Diameter	8.0898 in205.481 mm
B – Cone Width	1.5625 in39.688 mm
C – Cup Width	1.3437 in34.13 mm
C1 – Cup Flange Width	0.2187 in5.555 mm
T1 – Bearing Width to Flange	0.500 in12.70 mm

Abutment and Fillet Dimensions

R – Cone Backface “To Clear” Radius¹	0.14 in3.6 mm
r – Cup Backface “To Clear” Radius²	0.130 in3.3 mm
da – Cone Frontface Backing Diameter	5.94 in151 mm
db – Cone Backface Backing Diameter	6.22 in158 mm
Da – Cup Frontface Backing Diameter	7.71 in195.83 mm
Ab – Cage-Cone Frontface Clearance	0.12 in3 mm
Aa – Cage-Cone Backface Clearance	0.1 in2.5 mm
a – Effective Center Location³	-0.12 in-3 mm

Basic Load Ratings

C90 – Dynamic Radial Rating (90 million revolutions)⁴	16700 lbf74300 N
C1 – Dynamic Radial Rating (1 million revolutions)⁵	64400 lbf286000 N
C0 – Static Radial Rating	126000 lbf560000 N
C_a90 – Dynamic Thrust Rating (90 million revolutions)⁶	9610 lbf42800 N

Factors

K – Factor⁷	1.74
e – ISO Factor⁸	0.34
Y – ISO Factor⁹	1.78
G1 – Heat Generation Factor (Roller-Raceway)	439.6
G2 – Heat Generation Factor (Rib-Roller End)	130.5
Cg – Geometry Factor¹⁰	0.126

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 48685 - 48620-B