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WebbHome / Catalog / Wheel Ends / Wheel Bearings
Timken
Part number HM518445
Timken HM518445 is cataloged as a single cone with bore 3 1/2 in / 88.9 mm. Its listed inner-ring width is 1.5625 in / 39.688 mm.
Confirm the exact application and configuration before selecting this part. Reference numbers and similar configurations do not guarantee interchange.
| Part number / SKU | HM518445 |
|---|---|
| Brand | Timken |
| Department | Wheel Ends |
| Part type | Wheel Bearings |
| Component type | Cone |
| Cone Part Number | HM518445Conditions / detailsExact manufacturer article only; no axle/hub fitment or stocked package approval. |
| Bore (d) | 3 1/2 in / 88.9 mmConditions / detailsExact manufacturer article only; no axle/hub fitment or stocked package approval. |
| Inner Ring Width (B) | 1.5625 in / 39.688 mmConditions / detailsExact manufacturer article only; no axle/hub fitment or stocked package approval. |
| Dynamic Radial Load Rating - 1M Revs (C1) | 66700 lbf / 297000 NConditions / detailsExact manufacturer article only; no axle/hub fitment or stocked package approval. 1 C1: based on 1 x 10^6 revolutions L10 life, ISO life-calculation method. Manufacturer engineering value as published; load ratings relate to the matching bearing arrangement, not an independent loose cup/cone load-capacity approval. |
| Dynamic Radial Load Rating - 90M Revs (C90) | 17300 lbf / 76900 NConditions / detailsExact manufacturer article only; no axle/hub fitment or stocked package approval. 2 C90: based on 90 x 10^6 revolutions L10 life, Timken method; C90 and Ca90 are radial and thrust values. Manufacturer engineering value as published; load ratings relate to the matching bearing arrangement, not an independent loose cup/cone load-capacity approval. |
| K Factor | 1.45Conditions / detailsExact manufacturer article only; no axle/hub fitment or stocked package approval. 3 K: factor applies to both inch and metric calculations; consult Timken representative for instructions on use. Manufacturer engineering value as published; load ratings relate to the matching bearing arrangement, not an independent loose cup/cone load-capacity approval. |
| Effective Center Location | -0.25 in / -6.4 mmConditions / detailsExact manufacturer article only; no axle/hub fitment or stocked package approval. 4 Negative effective-center value indicates effective center inside cone (inner-ring) backface. |
| Shaft Backing Shoulder Diameter - Frontface (da) | 3.94 in / 100 mmConditions / detailsExact manufacturer article only; no axle/hub fitment or stocked package approval. |
| Shaft Backing Shoulder Diameter - Backface (db) | 4.41 in / 112 mmConditions / detailsExact manufacturer article only; no axle/hub fitment or stocked package approval. |
| Dynamic Axial Rating - 90M Revs (Ca90) | 11900 lbf / 52900 NConditions / detailsExact manufacturer article only; no axle/hub fitment or stocked package approval. 6 Ca90: based on 90 x 10^6 revolutions L10 life, Timken method. C90 and Ca90 are radial and thrust values for a single-row; C90(2) is the two-row radial value. Manufacturer engineering value as published; load ratings relate to the matching bearing arrangement, not an independent loose cup/cone load-capacity approval. |
| Static Radial Load Rating (CO) | 90800 lbf / 404000 NConditions / detailsExact manufacturer article only; no axle/hub fitment or stocked package approval. Manufacturer engineering value as published; load ratings relate to the matching bearing arrangement, not an independent loose cup/cone load-capacity approval. |
| G2 Factor | 33.7Conditions / detailsExact manufacturer article only; no axle/hub fitment or stocked package approval. Manufacturer engineering value as published; load ratings relate to the matching bearing arrangement, not an independent loose cup/cone load-capacity approval. |
| Geometry Factor (Cg) | 0.0966Conditions / detailsExact manufacturer article only; no axle/hub fitment or stocked package approval. 7 Geometry Factor Cg: geometry constant for Lubrication Life Adjustment Factor a3l. Manufacturer engineering value as published; load ratings relate to the matching bearing arrangement, not an independent loose cup/cone load-capacity approval. |
| Weight | 6.1 lb 2.8 KgConditions / detailsExact own Timken loose cone article only; no axle/hub/vehicle fitment, stocked package, installation tolerance or load-capacity approval. Both published unit values are retained literally, not converted. Existing separate catalog/CAD dimensional disagreements and all held fields remain unchanged. |
| Max Shaft Fillet Radius | 0.25 in 6.35 mmConditions / detailsExact own Timken loose cone article only; no axle/hub/vehicle fitment, stocked package, installation tolerance or load-capacity approval. Both published unit values are retained literally, not converted. Existing separate catalog/CAD dimensional disagreements and all held fields remain unchanged. Manufacturer footnote: These maximum fillet radii will be cleared by the bearing corners. |
| Cage Location rel. to BF (Aa) | 0.11 in 2.8 mmConditions / detailsExact own Timken loose cone article only; no axle/hub/vehicle fitment, stocked package, installation tolerance or load-capacity approval. Both published unit values are retained literally, not converted. Existing separate catalog/CAD dimensional disagreements and all held fields remain unchanged. |
| Cage Location rel. to FF (Ab) | 0.16 in 4.1 mmConditions / detailsExact own Timken loose cone article only; no axle/hub/vehicle fitment, stocked package, installation tolerance or load-capacity approval. Both published unit values are retained literally, not converted. Existing separate catalog/CAD dimensional disagreements and all held fields remain unchanged. |
| G1 Factor | 162Conditions / detailsExact own Timken loose cone article only; no axle/hub/vehicle fitment, stocked package, installation tolerance or load-capacity approval. Both published unit values are retained literally, not converted. Existing separate catalog/CAD dimensional disagreements and all held fields remain unchanged. Published engineering factor only; not a standalone bearing arrangement rating or derived performance claim. |
| Manufacturer catalog UPC | 0053893631820Conditions / detailsTimken own exact article identifier, retained as the literal13-digit printed string including leading zeros. Not a replacement part number, barcode observation of DTBP stock, package quantity or physical authenticity verification. |
Need a measurement or technical specification? Ask our parts team before choosing the part.
No verified cross-references listed yet.
Have another part number? Ask us to check it.These source-qualified listings are not a fitment guarantee. Confirm the engine, OE number, installed equipment, mounting/configuration and VIN before selecting a part. Missing years or models have not been verified.
| Make | Model | Years |
|---|---|---|
| Not stated | TP trailer inner and outer Standard manually adjusted bearing rows; not pre-adjusted precision equivalent Original source conditionsTP trailer inner and outer Standard manually adjusted bearing rows; not pre-adjusted precision equivalent | Not stated |
Applications not listed here have not been verified.
Compare the number on your existing part. If you’re unsure, our parts team can help check the match before you order.
www.timken.com — Source document cited for this item. Confirm the exact article and source restrictions; not a complete application or interchange approval.
Timken HM518445 is cataloged as a single cone with bore 3 1/2 in / 88.9 mm. Its listed inner-ring width is 1.5625 in / 39.688 mm.
Exact manufacturer article only; no axle/hub fitment or stocked package approval.
Private source-bound description candidate only; independent prose review, root registration and human/public editorial approval remain required. Original owner holds, identity state, legacy/source conflicts and unresolved notes are unchanged.
Loose cone/cup dimensions do not establish a complete assembled-set dimension, matched counterpart capacity, vehicle fitment or stocked packaging. Printed unit values are retained exactly; engineering rating and known metric/imperial conflicts are not harmonized.
Online ordering is coming soon. Contact our team about this part; listings do not confirm stock.
Contact us to confirm current availability and shipping options for this part.
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