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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
Class 3 tapered roller bearing cone, 2.0000 in (50.800 mm) bore, 1.2188 in cone width, 153,000 N C1 dynamic rating. Mates with Timken 45220 or 45221 cups.
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| MFR / Brand | Timken |
|---|---|
| MPN | 45285-3 |
| Model | 45285 #3 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 2.0000 in (50.800 mm) |
| Series | 45200 |
|---|---|
| Base Number | 45285 |
| Industry Terms | tapered roller bearing cone, TRB cone, cone assembly, inner ring and roller assembly |
| Mpn Variants | 45285-3, 45285 *3, 45285 #3, 452853 |
| Precision Class | Class 3 |
| Dynamic Axial Rating Ca90 | 22,600 N |
| K Factor | 1.76 |
| Dynamic Load Rating | 153,000 N (C1, 1 million revolutions) |
| Static Load Rating | 189,000 N |
| Rolling Elements | Tapered Roller |
| Number Of Rows | 1 |
| Harmonization Code | 8482.20.00 |
| Design Units | Inch |
| Bearing Class | Class 3 |
| Cone Part Number | 45285 |
| Cone Width | 1.2188 in (30.958 mm) |
| Effective Center Location | -0.32 in (-8.1 mm) |
| Common Misspellings | Timkin 45285-3; Timken 45285 3; Timken 452853; Timken 45285*3; Timken 45285 #3 |
| Application Types | Automotive axles and hubs; gearboxes; industrial machinery; precision spindles |
| Cross Reference 1 | Timken 45285 (standard precision) |
|---|
Timken 45285-3 is a single tapered roller bearing cone: the inner ring with its tapered rollers and cage. Cone only. Matching Cup: Timken 45220 or 45221. Bore Diameter: 2.0000 in (50.800 mm). Cone Width: 1.2188 in (30.958 mm). Precision Class: Class 3. Unit Quantity: 1 Pc.
45285 — Timken inch cone number in the 45200 series, 2 in bore.
-3 — Timken Class 3 precision: tighter tolerance and lower running vibration.
Dynamic Load Rating: 153,000 N (C1, 1 million revolutions). Dynamic Load Rating (C90): 39,700 N (90 million revolutions). Dynamic Axial Rating (Ca90): 22,600 N. Static Load Rating: 189,000 N. K Factor: 1.76. G1 Factor: 63.5. G2 Factor: 16.9. Geometry Factor (Cg): 0.0971. Rolling Elements: Tapered Roller. Number Of Rows: 1.
Effective Center Location: -0.32 in (-8.1 mm). Max Shaft Fillet Radius: 0.09 in (2.3 mm). Shaft Backing Shoulder Diameter Frontface: 2.44 in (62 mm). Shaft Backing Shoulder Diameter Backface: 2.56 in (65 mm). Cage Location Relative To Backface: 0.07 in (1.8 mm). Cage Location Relative To Frontface: 0.1 in (2.5 mm).
Assembly Designation: Timken 45285/45220, a single-row TS bearing with Assembly Outside Diameter: 4.1250 in (104.775 mm) and Assembly Width: 1.1875 in (30.163 mm). Timken also lists the 45221 cup as a mate for this cone. Cross-reference: Timken 45285 (standard precision, unsuffixed). CAD model and data sheet: available from Timken (cad.timken.com).
Timken 45220 or 45221.
Timken Class 3 precision.
2.0000 in (50.800 mm).
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