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Timken354-3Tapered Roller Bearing Cup – 3.3465 in (85 mm) Outside Diameter, 0.748 in Width, Class 3 Precision

Condition: New – Open box
Condition Note: Made In USA, Class 3 Precision, New Old Stock

Availability:

1 in stock

Timken 354-3 inch tapered roller bearing cup, 3.3465 in (85 mm) OD, 0.748 in width, Class 3 precision. Cup only; mating cones Timken 356 and 357.

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$15.40

1 in stock

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Specifications

Key Specifications

MFR / BrandTimken
MPN354-3
Model354 #3
Bearing TypeTapered Roller Bearing Cup
OD3.3465 in (85.001 mm)
Width3/4 in

Technical Specifications

Series354
Base Number354
Overall Width0.748 in (18.999 mm)
Mpn Variants354-3; 354 *3; 354 #3; 3543; 354
Compatible With ReplacesMating cones: Timken 356, Timken 357
Precision ClassClass 3
Additional Attributese Factor 0.31; Y Factor 1.96; Cg 0.0732; Max housing fillet radius 2.03 mm; Da 81.03 mm; Db 76.96 mm
Rolling ElementsTapered Roller
Item Weight0.5 kg (1.1 lb)
Number Of Rows1
Harmonization Code8482.20.00
Part Number354-3
Cone Part Number354
Cone Width0.8540 in
Cone Backface To Clear Radius0.09 in
Cone Frontface Backing Diameter1.97 in
Cage Cone Frontface Clearance0.09 in
Cage Cone Backface Clearance0 in
Effective Center Location-0.19 in

Cross-References

Cross Reference 1Koyo 354 - standard class, no *3 precision
Cross Reference 2NSK 354 - standard class, no *3 precision
Cross Reference 3SKF 354 - standard class, no *3 precision
Cross Reference 4BCA / Bower 354 - standard class, no *3 precision
Seller Part Number: AC1B4#GROVR9

Product Description

What this part is:

Timken 354-3 inch tapered roller bearing cup, Class 3 precision: the outer race of a single-row tapered roller bearing. Cup only, no cone. Matching cones: Timken 356 and Timken 357. Unit Quantity: 1 Pc.

Decoding the designation:

354 — Timken base cup number, 3.3465 in (85 mm) outside diameter.

*3 — Timken Precision Class 3, a tighter tolerance grade than standard class. The same class is written 354-3, 354 *3 and 354 #3.

Specifications:

Outside Diameter: 3.3465 in (85.001 mm). Overall Width: 0.748 in (18.999 mm). Series: 354. Base Number: 354. Precision Class: Class 3. Rolling Elements: Tapered Roller. Number Of Rows: 1. e Factor: 0.31. Y Factor: 1.96. Geometry Factor (Cg): 0.0732. Item Weight: 0.5 kg (1.1 lb).

Dimensions and mounting:

Maximum fillet radius on the mating housing: 2.03 mm (0.08 in). Housing Backing Shoulder Diameter, frontface (Da): 81.03 mm (3.19 in). Housing Backing Shoulder Diameter, backface (Db): 76.96 mm (3.03 in).

Compatibility and replacement:

Mating cones: Timken 356 and Timken 357. Cross-references, standard class without the *3 precision grade: Koyo 354, NSK 354, SKF 354, BCA / Bower 354.

Frequently asked questions:

What is the outside diameter of the Timken 354-3 cup?

3.3465 in (85.001 mm), with a width of 0.748 in (18.999 mm).

What does the -3 in 354-3 mean?

Timken Precision Class 3.

Which cones mate with the 354 cup?

Timken 356 and Timken 357.

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