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Timken42346-3/42587D-3/X1S-42346Tapered Roller Bearing Assembly — Two-Row, 3.4630 in (87.960 mm) Bore, 5.8750 in (149.225 mm) OD, 3.1250 in (79.375 mm) Width, Class 3

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

Availability:

1 in stock

Two-row Class 3 tapered roller bearing assembly, 3.463 in bore, 5-7/8 in OD, 3-1/8 in wide. Two 42346-3 cones, a 42587D-3 double cup and an X1S-42346 spacer.

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List Price

$261.00

1 in stock

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Specifications

Key Specifications

MFR / BrandTimken
MPN42346-3/42587D-3/X1S-42346
Model42346 *3 / 42587D *3 / X1S-42346
Bearing TypeTapered Roller Bearing Cone, Open
ID3.4630 in (87.960 mm)
OD5.8750 in (149.225 mm)
Width3.1250 in (79.375 mm)

Technical Specifications

MaterialCase Carburized Steel
Series42000
LubricantGrease or oil
Total Width3.1250 in (79.375 mm)
Mpn Variants42346-3/42587D-3/X1S-42346, 42346 *3 / 42587D *3 / X1S-42346, 42346-3, 423463, 42587D-3, 42587-D, 42587D3, X1S-42346, X1S42346
Precision ClassClass 3
Rolling ElementsTapered Roller
Number Of Rows2
Bore TypeStraight
Harmonization Code8482.20.00
Cup Part Number42587D-3
Bearing MaterialCase Carburized Steel
Cone Part Number42346-3
Seller Part Number: FC3#UMMOX5

Product Description

What this part is

Timken 42346-3/42587D-3/X1S-42346 is a two-row Class 3 tapered roller bearing assembly with a 3.463 in bore, a 5-7/8 in outside diameter and a 3-1/8 in overall width. A one-piece double cup takes two single cones, with a cone spacer between them.

Decoding the designation

42346-3 — the cone: inner ring, roller set and cage, 3.463 in bore, Class 3. Two are in the set.

42587D-3 — double cup, Class 3. One outer ring carrying both raceways, 5-7/8 in OD, taking two 42346 cones.

X1S-42346 — cone spacer sized for the 42346 cone pair.

-3 — Timken Class 3 precision: tighter tolerance and lower running vibration than standard Class 4 industrial parts.

What these specs mean in practice

Bore Diameter: 3.4630 in (87.960 mm). Outside Diameter: 5.8750 in (149.225 mm). Total Width: 3.1250 in (79.375 mm). Precision Class: Class 3. Rolling Elements: Tapered Roller. Number Of Rows: 2. Bore Type: Straight. Closure Type: Open. Lubricant: grease or oil. Bearing Material: Case Carburized Steel. Series: 42000. The two opposed rows carry combined radial load and thrust in both directions from a single bearing position.

Quantity and configuration

Unit Quantity: 4 Pcs. Two 42346-3 cones, one 42587D-3 double cup and one X1S-42346 cone spacer, new old stock.

Interchange guidance

42346 and 42587 are industry-standard inch tapered roller numbers in the 42000 series. The 42587D double cup takes two 42346 cones. Harmonization Code: 8482.20.00.

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