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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
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Class 3 tapered roller bearing cone, 1.6250 in (41.275 mm) bore, 1.1450 in cone width, 116,000 N C1 dynamic rating. Mates with Timken 412 or 412A cups.
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| MFR / Brand | Timken |
|---|---|
| MPN | 419-3 |
| Model | 419 #3 |
| Bearing Type | Tapered Roller Bearing Cone, Open |
| ID | 1.6250 in (41.275 mm) |
| Lubricant | Oil Preservative |
|---|---|
| Series | 400 |
| Duty Type | Standard |
| Base Number | 419 |
| Industry Terms | tapered roller bearing cone, TRB cone, cone assembly, inner ring and roller assembly |
| Mpn Variants | 419-3, 419 *3, 419 #3, 4193 |
| Precision Class | Class 3 |
| Dynamic Axial Rating Ca90 | 13,500 N |
| K Factor | 2.22 |
| Dynamic Load Rating | 116,000 N (C1, 1 million revolutions) |
| Static Load Rating | 124,000 N |
| Rolling Elements | Tapered Roller |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Design Units | Inch |
| Bearing Class | Class 3 |
| Cone Part Number | 419 |
| Cone Width | 1.1450 in (29.083 mm) |
| Effective Center Location | -0.38 in (-9.7 mm) |
| Common Misspellings | Timkin 419-3; Timken 419 3; Timken 4193; Timken 419*3; Tymken 419-3 |
| Application Types | Wheel hubs; gearboxes; axle assemblies; agricultural and industrial machinery |
| Cross Reference 1 | Timken 419 (standard precision) |
|---|
Timken 419-3 is a single tapered roller bearing cone: the inner ring with its tapered rollers and cage. Cone only. Matching Cup: Timken 412 or 412A. Bore Diameter: 1.6250 in (41.275 mm). Cone Width: 1.1450 in (29.083 mm). Precision Class: Class 3. Unit Quantity: 1 Pc.
419 — Timken inch cone number, 1-5/8 in bore.
-3 — Timken Class 3 precision: tighter tolerance and lower running vibration.
Bore Diameter: 1.6250 in (41.275 mm). Cone Width: 1.1450 in (29.083 mm). Precision Class: Class 3. Dynamic Load Rating (C1, 1 million revolutions): 116,000 N. Dynamic Load Rating (C90, 90 million revolutions): 30,000 N. Dynamic Axial Rating (Ca90): 13,500 N. Static Load Rating: 124,000 N. K Factor: 2.22. G1 Factor: 34.4. G2 Factor: 9.9. Geometry Factor (Cg): 0.0731. Rolling Elements: Tapered Roller. Number Of Rows: 1. Design Units: Inch.
Effective Center Location: -0.38 in (-9.7 mm). Max Shaft Fillet Radius: 0.140 in (3.56 mm). Shaft Backing Shoulder Diameter Frontface: 1.85 in (47 mm). Shaft Backing Shoulder Diameter Backface: 2.13 in (54 mm). Cage Location Relative To Backface: 0.03 in (0.8 mm). Cage Location Relative To Frontface: 0.06 in (1.5 mm).
Assembly Designation: Timken 419/412, a single-row TS bearing with Assembly Outside Diameter: 3.2500 in (82.550 mm) and Assembly Width: 1.3751 in (34.928 mm). Timken also lists the 412A cup as a mate for this cone. Cross-reference: Timken 419 (standard precision). Also written 419 *3, 419 #3 and 4193.
1.6250 in (41.275 mm) bore and 1.1450 in (29.083 mm) cone width.
Timken 412 or 412A; the 419/412 assembly is 3.2500 in (82.550 mm) OD and 1.3751 in (34.928 mm) wide.
Timken Class 3 precision: tighter tolerance and lower running vibration.
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