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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
Availability:
2 in stock
Inch tapered roller bearing cone, 3.875 in bore, 2.265 in width, Class 3 precision, 534,000 N dynamic rating. Mates with an HH221410 cup.
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| MFR / Brand | Timken |
|---|---|
| MPN | HH221442-3 |
| Model | HH-221442 3 |
| Bearing Type | Tapered Roller Bearing Cone, Open |
| ID | 3.8750 in (98.425 mm) |
| Width | 2.2650 in |
| Material | Case Carburized Steel |
|---|---|
| Series | HH221 |
| Base Number | HH221442 |
| Overall Width | 2.2650 in (57.531 mm) |
| Mpn Variants | HH221442-3; HH-221442 *3; HH221442 #3; HH2214423; HH 221442; HH 2214 *3 |
| Compatible With Replaces | Mating cups: Timken HH221410, Timken HH221410XX |
| Precision Class | Class 3 |
| Additional Attributes | K Factor 1.74; C90 138,000 N; Ca90 79,300 N; Effective Load Centre -15 mm; Max shaft fillet radius 3.600 mm; da 113 mm; db 119 mm; Aa 2 mm; Ab 4.1 mm; G1 265.6; G2 28.4; Cg 0.107 |
| Dynamic Load Rating | 534,000 N |
| Static Load Rating | 692,000 N |
| Rolling Elements | Tapered Roller |
| Item Weight | 15.261 kg (33.64 lb) |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Harmonization Code | 8482.20.00 |
| Part Number | HH221442-3 |
| Cross Reference 1 | Koyo HH221442 - standard class, not Class 3 |
|---|---|
| Cross Reference 2 | NTN 4T-HH221442 - standard class, not Class 3 |
| Cross Reference 3 | NSK HH221442 - standard class, not Class 3 |
Timken HH221442-3 inch tapered roller bearing cone. Bearing Type: Tapered roller bearing cone — the inner ring carrying the tapered rollers and cage as one assembly. Series: HH221. Base Number: HH221442. Bore Diameter: 3.8750 in (98.425 mm). Overall Width: 2.2650 in (57.531 mm). Bore Type: Straight. Rolling Elements: Tapered Roller. Number Of Rows: 1. Item Weight: 15.261 kg (33.64 lb).
HH — Timken double-heavy section prefix. The HH families run the deepest ring section in the inch range for a given bore, which is what gives this cone a 2.265 in width on a 3.875 in bore.
221442 — cone number within that family.
*3 — Timken Precision Class 3. Tighter running and mounting tolerance than standard class, giving lower running vibration and closer shaft location. The same class is written HH221442-3, HH221442 *3 and HH221442 #3.
Dynamic Load Rating: 534,000 N (C1, one million revolutions). Static Load Rating: 692,000 N. Dynamic radial rating at 90 million revolutions (C90): 138,000 N. Dynamic axial rating at 90 million revolutions (Ca90): 79,300 N. K Factor: 1.74. The shallow roller angle puts the capacity into the radial direction: at 534,000 N dynamic this cone carries roughly three times the radial load of a standard-section cone on a comparable bore.
Effective Load Centre: -15 mm, well inside the bearing. Maximum fillet radius on the mating shaft: 3.600 mm (0.140 in). Shaft Backing Shoulder Diameter, frontface (da): 113 mm (4.45 in). Shaft Backing Shoulder Diameter, backface (db): 119 mm (4.69 in). Cage location relative to backface (Aa): 2 mm. Cage location relative to frontface (Ab): 4.1 mm. G1 Factor: 265.6. G2 Factor: 28.4. Geometry Factor (Cg): 0.107.
Unit Quantity: 1 Pc. Cone only. Matching cups are the Timken HH221410 and HH221410XX.
HH221442 is an industry-standard inch tapered roller bearing cone number. Koyo, NTN and NSK all build an HH221442 to the same boundary dimensions, and all interchange with this cone. Precision Class 3 is a Timken tolerance grade; a standard-class HH221442 from any maker fits the same envelope but holds a wider tolerance band.
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A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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