Central Surplus Bearing Finder
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Availability:
1 in stock
Timken 34478RB tapered roller bearing cup, 4-25/32 in outside diameter, 11/16 in wide, with snap ring. Cup only, one piece; mating cone Timken 34300.
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$77.72

1 in stock
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| MFR / Brand | Timken |
|---|---|
| MPN | 34478RB |
| Model | 34478 R B |
| Bearing Type | Tapered Roller Bearing Cup |
| Base Number | 34478 |
|---|---|
| Industry Terms | Tapered roller cup; taper bearing cup; bearing race; outer race with snap ring; TS cup |
| Common Misspellings | Timkin; Timpken; 34748RB; 34478 R B |
| Application Types | Through-bored housings; gearboxes; pump and industrial shafts; wheel and hub assemblies |
| Mpn Variants | 34478RB; 34478-RB; 34478 RB; 34478; 34478R |
| Manufacturer Status | Timken inch tapered roller programme |
| Compatible With Replaces | Mating cone: Timken 34300 (also 34300A) |
| Number Of Rows | 1 |
| Snap Ring Included | Yes |
| Part Number | 34478RB |
Timken 34478RB tapered roller bearing cup, the outer race of a tapered roller bearing. Outside Diameter: 4-25/32 in. Width: 11/16 in. Snap Ring Included: Yes. Number Of Rows: 1. Cup only. Matching cone: Timken 34300.
34478 — base number of the cup half of the 34300/34478 tapered single pairing.
RB — cup with a snap ring on the outside diameter.
Part Number: 34478RB. Base Number: 34478. Brand: Timken. Condition: New – Open box.
The snap ring locates the cup axially in a through-bored housing with no machined shoulder. The 34300/34478 pairing assembles to 3.000 in bore by 4.7812 in outside diameter by 0.9688 in wide.
Matching cone: Timken 34300, with the 34300A as an alternative cone in the same pairing. The 34478-B is the flanged TSF variant of this cup.
Cup only, the outer race. The matching cone is the Timken 34300.
4-25/32 in (4.7812 in), 11/16 in wide.
Yes, the cup ships with its snap ring.
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