15123/15245 Inch Tapered Roller Bearing SET43 Trailer Outer Wheel Bearing
UMZ 15123/15245 SET43 is a single-row inch tapered roller bearing measuring 31.75×62×18.161 mm. Comprising a 15123 cone and 15245 cup, it is used as an outer wheel bearing in selected 5,200–7,000 lb trailer axle hubs. Individual box, industrial and customized packaging options are available.
Product Description
15123/15245 Inch Tapered Roller Bearing SET43
The UMZ 15123/15245 SET43 is an open-type, single-row tapered roller bearing consisting of a 15123 cone and 15245 cup. It is commonly used as an outer wheel bearing in selected trailer hub assemblies.
Technical Specifications
| Parameter | Specification |
|---|---|
| Bearing Number | 15123/15245 |
| SET Reference | SET43 |
| Brand | UMZ/neutral/others |
| Bearing Type | Single-Row Tapered Roller Bearing |
| Bearing Series | Inch Series |
| Cone Number | 15123 |
| Cup Number | 15245 |
| Inner Diameter (d) | 31.750 mm |
| Outer Diameter (D) | 62.000 mm |
| Overall Width (T) | 18.161 mm |
| Cone Width (B) | 19.050 mm |
| Cup Width (C) | 14.288 mm |
| Seal Configuration | Open Type |
| Reference Weight | Approx. 0.24 kg |
Trailer Wheel Hub Application
In selected 6,000–7,000 lb trailer hub configurations, the 15123/15245 is used as the outer bearing, paired with 25580/25520 as the inner bearing.
| Wheel Hub Position | Bearing Combination |
|---|---|
| Outer Bearing | 15123/15245 – SET43 |
| Inner Bearing | 25580/25520 |
This pairing applies to specific trailer axle and hub designs. Verify the original axle specifications before replacement.
Manufacturer References
| Manufacturer | Reference |
|---|---|
| Timken | SET43 |
| NTN | 4T-15123/15245 |
| NSK | 15123/15245 |
| FAG | K15123.15245 |
| Fersa | 15123/15245 |
| Dexter | 31-29-2 (cone reference) |
Packaging & Customization
-
Individual Box: Each bearing set packed in a separate box.
-
Industrial Packing: Bulk packaging for wholesale orders.
-
Customized Packaging: Customer-brand boxes, bearing marking and labels available upon request.
-
Export Packing: Master cartons and palletized packing according to shipping requirements.
Request a Quotation
Contact UMZ Bearing for 15123/15245 SET43 tapered roller bearing pricing, bulk orders, and customized bearing marking or packaging requirements.
UMZ Bearing – Quality You Can Rely On
