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Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
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2 in stock
Timken 383X-3 tapered roller bearing cup, 3.937 in outside diameter, 0.875 in width. Class 3 precision, case-carburized steel, e factor 0.35, Y factor 1.69.
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| MFR / Brand | Timken |
|---|---|
| MPN | 383X-3 |
| Model | 383 X #3 |
| Bearing Type | Tapered Roller Bearing Cup |
| OD | 3.937 in |
| Width | 0.875 in |
| Material | Steel |
|---|---|
| Series | 385 |
| Design Units | Imperial |
| Bearing Material | Case-Carburized Steel |
| Cone Part Number | Not specified |
| Base Number | 383X |
| Industry Terms | Taper bearing cup, tapered roller bearing race, outer race, TS cup, Class 3 precision cup |
| Common Misspellings | Timkin 383X-3, 383-X3, tappered roller bearing cup |
| Total Width | 0.875 in |
| Overall Width | 0.875 in |
| Mpn Variants | 383X-3, 383X*3, 383X#3, 383-X *3, 383 X 3, 383X |
| Precision Class | Class 3 |
| E Factor | 0.35 |
| Precision Rating | Class 3 |
| Rolling Elements | Tapered Roller |
| Item Weight | 0.70 kg (1.60 lb) |
| Number Of Rows | 1 |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 383X |
| Cup Width | 0.875 in |
| Closure Type | Open |
| Cross Reference 1 | SKF 383X |
|---|---|
| Cross Reference 2 | FAG 383X |
| Cross Reference 3 | NSK 383X |
| Cross Reference 4 | NTN 4T-383X |
| Cross Reference 5 | Koyo 383X |
| Cross Reference 6 | Fersa 383X |
| Cross Reference 7 | BCA/Bower 383X |
| Cross Reference 8 | PEER 383X |
The Timken 383X-3 is a tapered roller bearing cup, the outer race of a single-row TS tapered roller bearing. Cup only. Outside Diameter: 3.937 in (100.000 mm). Overall Width: 0.875 in (22.225 mm). Precision Class: Class 3. Unit Quantity: 1 Pc. Made in USA, new old stock.
383 — the cup number in the Timken 385 inch tapered roller bearing series.
X — a distinct Timken cup execution with its own outer ring geometry, 3.937 in outside diameter and 0.875 in width.
-3 — Timken precision Class 3, written on cartons as -3, *3 or #3.
Part Number: 383X-3. Base Number: 383X. Cup Part Number: 383X. Series: 385. Bearing Type: Tapered roller bearing cup. Number Of Rows: 1. Rolling Elements: Tapered Roller. Outside Diameter: 3.937 in (100.000 mm). Overall Width: 0.875 in (22.225 mm). Total Width: 0.875 in (22.225 mm). Closure Type: Open. Design Units: Imperial. Precision Class: Class 3. Bearing Material: Case-carburized steel. Item Weight: 0.70 kg (1.60 lb). Harmonization Code: 8482.20.00. Country of Origin: United States.
e Factor: 0.35. Y Factor: 1.69. Geometry Factor (Cg): 0.0859.
Maximum Housing Fillet Radius: 0.050 in (1.27 mm). Housing Backing Shoulder Diameter, Frontface (Da): 3.68 in (93.00 mm). Housing Backing Shoulder Diameter, Backface (Db): 3.50 in (88.90 mm).
383X is a plain inch cup number carried across the industry: SKF 383X, FAG 383X, NSK 383X, NTN 4T-383X, Koyo 383X, Fersa 383X, BCA/Bower 383X, PEER 383X. The Class 3 tolerance is a Timken precision execution. Other designations: 383X-3, 383X*3, 383X#3, 383-X *3, 383 X 3, 383X.
CAD model and data sheet: available from Timken (cad.timken.com).
A cup, the outer race. It is not a complete bearing.
Outside Diameter: 3.937 in (100.000 mm). Overall Width: 0.875 in (22.225 mm).
Timken precision Class 3, written on cartons as -3, *3 or #3.
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Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
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Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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