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Central Surplus Bearing Finder
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1 in stock
Timken 45280 tapered roller bearing cone, 1-3/4 in (44.450 mm) bore, 1.2188 in width, 153,000 N C1 rating. Mates with the Timken 45220 cup as set SET409.
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| MFR / Brand | Timken |
|---|---|
| MPN | 45280 |
| GTIN | 053893296340 |
| Model | 45280 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 1.7500 in (44.450 mm) |
| Series | 45200 |
|---|---|
| Base Number | 45280 |
| Industry Terms | tapered roller bearing cone; inner ring assembly; wheel bearing; steer axle bearing |
| Common Misspellings | 45-280; 4528O; timkin 45280 |
| Application Types | Heavy truck front steer axle outer wheel bearing; gearboxes; industrial shafts |
| Mpn Variants | 45280; SET409 (45280/45220); 45280/45220 |
| Compatible With Replaces | Mates with Timken 45220 cup (set SET409) |
| Precision Class | Not specified |
| Additional Attributes | C90 Radial Rating: 39,700 N; Ca90 Axial Rating: 22,600 N; K Factor: 1.76; Geometry Factor Cg: 0.0971; Effective Center Location: -0.32 in (-8.1 mm); Max Shaft Fillet Radius: 0.030 in (0.8 mm); Shaft Backing Shoulder Diameter da: 2.24 in (57 mm); Shaft Backing Shoulder Diameter db: 2.24 in (57 mm); Cage Location rel. to BF: 0.07 in (1.8 mm); Cage Location rel. to FF: 0.1 in (2.5 mm) |
| Dynamic Load Rating | 153,000 N |
| Static Load Rating | 189,000 N |
| Item Weight | 1.4 kg (3 lb) |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.20 |
| Cup Part Number | 45220 |
| Design Units | Imperial |
| Cone Part Number | 45280 |
| Cone Width | 1.2188 in (30.958 mm) |
| Cross Reference 1 | SKF 45280 |
|---|---|
| Cross Reference 2 | Koyo 45280 |
| Cross Reference 3 | NTN 4T-45280 |
| Cross Reference 4 | Bower 45280 |
Timken 45280 single-row tapered roller bearing cone: the inner ring with its roller and cage assembly. Cone only. Matching cup: Timken 45220. The 45280/45220 pair is sold by Timken as set SET409, a common heavy-truck front steer axle outer wheel bearing. Bore Diameter: 1.7500 in (44.450 mm). Cone Width: 1.2188 in (30.958 mm). Design Units: Imperial.
Dynamic Load Rating: 153,000 N (34,500 lbf) C1, 1 million revolutions, ISO basis. Dynamic radial rating C90: 39,700 N (8,930 lbf), 90 million revolutions, Timken basis. Dynamic axial rating Ca90: 22,600 N (5,090 lbf). Static Load Rating: 189,000 N (42,600 lbf). K factor: 1.76. Geometry factor Cg: 0.0971. Item Weight: 1.4 kg (3 lb). The tapered geometry carries combined radial and thrust load, and the cone is normally mounted in an opposed pair.
Shaft backing shoulder diameter, frontface (da): 2.24 in (57 mm). Shaft backing shoulder diameter, backface (db): 2.24 in (57 mm). Max shaft fillet radius: 0.030 in (0.8 mm). Effective center location: -0.32 in (-8.1 mm), inside the cone backface. Cage location relative to backface: 0.07 in (1.8 mm). Cage location relative to frontface: 0.1 in (2.5 mm). Assembled with the 45220 cup: 4.125 in OD, 1.1875 in overall width.
One single-row cone. Number Of Rows: 1. Bore Type: Straight. GTIN: 053893296340.
45280 is an ABMA inch-series cone number used across makers: SKF, Koyo, NTN (4T-45280) and Bower list the same designation on the same envelope. Pairs with any 45220 cup of the same series.
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A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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