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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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9 in stock
Timken 3521 tapered roller bearing cup, 3.3970 in OD, 0.9375 in wide, e factor 0.31. Case-carburized alloy steel outer ring for an inch TS single-row bearing.
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| MFR / Brand | Timken |
|---|---|
| MPN | 3521 |
| Model | 3521 |
| Bearing Type | Tapered Roller Bearing Cup |
| OD | 3.3970 in |
| Series | 3500 |
|---|---|
| Base Number | 3521 |
| Industry Terms | Cup; outer race; bearing race; taper roller race; TS cup |
| Overall Width | 0.9375 in |
| Mpn Variants | 3521; 3521 Cup; Timken 3521 |
| Precision Class | Not specified |
| E Factor | 0.31 |
| Rolling Elements | Tapered Roller |
| Item Weight | 0.7 kg (1.6 lb) |
| Number Of Rows | 1 |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 3521 |
| Design Units | Imperial |
| Bearing Material | Case-carburized alloy steel |
| Cup Width | 0.9375 in |
| Cup Backface To Clear Radius | 0.09 in |
| Part Number | 3521 |
Timken 3521 tapered roller bearing cup, the outer ring of an inch TS single-row tapered roller bearing. Cup only, one piece.
3521 — Timken inch tapered roller cup number. No precision suffix is present on this part.
Outside Diameter: 3.3970 in (86.284 mm). Overall Width: 0.9375 in (23.813 mm). Item Weight: 0.7 kg (1.6 lb). e Factor: 0.31. Geometry Factor (Cg): 0.0808. Rolling Elements: Tapered Roller. Number Of Rows: 1. Bearing Material: Case-carburized alloy steel. Design Units: Imperial. Base Number: 3521. Precision Class: Not specified. Unit Quantity: 1 Pc. Country of Origin: United States.
Maximum Housing Fillet Radius: 0.130 in (3.30 mm). Housing Backing Shoulder Diameter, frontface (Da): 3.18 in. Housing Backing Shoulder Diameter, backface (Db): 2.95 in. Cup Backface To Clear Radius: 0.09 in.
Outside diameter 3.3970 in (86.284 mm), width 0.9375 in (23.813 mm).
A cup, the outer ring of the bearing. The cone is a separate part.
0.31, as published by Timken.
$141.11
255 in stock
American manufacturers are sitting on a lot of stuff. The
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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