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Koyo29521Tapered Roller Bearing Cup — 4.3307 in (110 mm) OD, 0.7500 in (19.05 mm) Width, Inch Series

Condition: New – Open box
Condition Note: Made In Japan, New Old Stock

Availability:

35 in stock

Koyo 29521 tapered roller bearing cup (outer ring), inch series: 4.3307 in (110.000 mm) OD, 0.7500 in (19.050 mm) width. Mates with Koyo cone 29585.

List Price

$28.86

35 in stock

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Specifications

Key Specifications

MFR / BrandKoyo
MPN29521
Model29585/29521
Bearing TypeTapered Roller Bearing Cup
OD4.3307 in (110.000 mm)
Width0.7500 in (19.050 mm)

Technical Specifications

MaterialSteel
Mpn Variants29521, KOYO 29521, 29585/29521, 29585/21
Compatible With ReplacesMating cone Koyo 29585; assembly Koyo 29585/29521; Timken 29521
Additional AttributesCup backface fillet radius r1 (min.): 1.2 mm
Series29500
Rolling ElementsTapered Roller
Harmonization Code8482.99
Design UnitsInch
Industry Termstapered roller bearing cup; tapered bearing outer ring; bearing race; inch tapered cup
Common MisspellingsKoyo 29512; Koyo 29251; Koyko 29521; Koyo 29521 cup

Cross-References

Cross Reference 1Timken 29521
Seller Part Number: BK5#HPKWWK

Product Description

What this part is:

The Koyo 29521 is the cup, or outer ring, of a single-row inch-series tapered roller bearing in the 29500 family. Cup only. Matching cone: Koyo 29585, which together with this cup forms the assembly Koyo 29585/29521. Unit Quantity: 1 Pc.

Decoding the designation:

29521 — ABMA inch-series cup number in the 29500 series.

29585/29521 — assembly designation, cone 29585 with cup 29521.

Specifications:

Outside Diameter: 4.3307 in (110.000 mm). Cup Width: 0.7500 in (19.050 mm). Rolling Elements: Tapered Roller. Bearing Material: Steel. Series: 29500. Bearing Type: Tapered Roller Bearing Cup.

Dimensions and mounting:

Cup backface fillet radius r1 (min.): 1.2 mm. Source: Koyo product page for assembly 29585/21.

Compatibility and replacement:

Cross-Reference 1: Timken 29521. Mating cone: Koyo 29585. Assembly designation: Koyo 29585/29521.

Frequently asked questions:

What is the Koyo 29521?

It is the cup, or outer ring, of a single-row inch-series tapered roller bearing in the 29500 series.

Does the Koyo 29521 include the cone?

No. It is a cup only. The matching cone is Koyo 29585, and the assembly is Koyo 29585/29521.

What are the dimensions of the Koyo 29521?

Outside diameter 4.3307 in (110.000 mm), cup width 0.7500 in (19.050 mm), backface fillet radius r1 (min.) 1.2 mm.

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