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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Availability:
1 in stock
Tapered roller bearing single cup, 3.1250 in (79.375 mm) OD, 0.6875 in (17.463 mm) width, Class 3 precision. Mates Timken 43096 and 43112 cones.
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| MFR / Brand | Timken |
|---|---|
| MPN | 43312-3 |
| Model | 43312 #3 |
| Bearing Type | Tapered Roller Bearing Cone |
| OD | 3.1250 in (79.375 mm) |
| Width | 0.6875 in |
| Series | 43000 |
|---|---|
| Lubricant | Oil Preservative |
| Material | Case Carburized Steel |
| Base Number | 43312 |
| Overall Width | 0.6875 in (17.463 mm) |
| Mpn Variants | 43312-3, 43312*3, 43312#3, 43312 #3, 43312 |
| Compatible With Replaces | Timken 43096 cone, Timken 43112 cone |
| Precision Class | Class 3 |
| Item Weight | 0.5 kg (1.2 lb) |
| Number Of Rows | 1 |
| Duty Type | Standard |
| Design Units | Inch |
| Cross Reference 1 | SKF 43312 |
|---|---|
| Cross Reference 2 | NTN 4T-43312 |
| Cross Reference 3 | FAG 43312 |
| Cross Reference 4 | Koyo 43312 |
| Cross Reference 5 | NSK 43312 |
| Cross Reference 6 | BCA 43312 |
Timken 43312-3 tapered roller bearing cup: the outer ring of a single-row TS tapered roller bearing. Part Number: 43312-3. Base Number: 43312. Series: 43000. Number Of Rows: 1. Outside Diameter: 3.1250 in (79.375 mm). Overall Width: 0.6875 in (17.463 mm). Precision Class: Class 3. Item Weight: 0.5 kg (1.2 lb). Design Units: Inch.
43312 — Timken cup number in the 43000 series, 3-1/8 in OD.
-3 — Timken precision Class 3, marked on cartons as -3, *3 or #3. Tighter runout and dimensional tolerance than standard Class 4.
e Factor: 0.67. Y Factor: 0.9. Geometry Factor (Cg): 0.0774. The cup carries the outer raceway; load ratings belong to the assembled cone and cup.
Max Housing Fillet Radius: 1.52 mm (0.06 in). Housing Backing Shoulder Diameter, Frontface (Da): 74.68 mm (2.94 in). Housing Backing Shoulder Diameter, Backface (Db): 67.06 mm (2.64 in).
Unit Quantity: 1 Pc. Cup only. Matching cones: Timken 43096 and Timken 43112.
Cross-Reference 1: SKF 43312. Cross-Reference 2: NTN 4T-43312. Cross-Reference 3: FAG 43312. Cross-Reference 4: Koyo 43312. Cross-Reference 5: NSK 43312. Cross-Reference 6: BCA 43312. Class 3 tolerance belongs to the -3 execution. MPN Variants: 43312-3, 43312*3, 43312#3, 43312 #3, 43312.
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