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2788/2729 Imperial Tapered Roller Bearing Assembly
- Specialized Cup Pairing: The 2729 cup offers precise compatibility for specific OEM housing designs.
- Vibration Control: Dynamic balance testing ensures whisper-quiet operation at high rotational speeds.
- High Wear Resistance: Deep heat treatment prevents premature spalling under dynamic stress.
- Easy Maintenance: Fully separable cup and cone simplify field replacements and routine inspections.
Technical Data
| Technical Parameter | Metric Value |
| Inner Bore Diameter (d) | 38.100 mm |
| Outer Diameter (D) | 76.200 mm |
| Total Width (T) | 23.812 mm |
| Precision Standard | ABEC-1 / P0 |
Product Specifications
| Specification | Details |
| Item Type | Standard Imperial Tapered Roller Bearing |
| Model Number | 2788/2729 (Cone: 2788 / Cup: 2729) |
| Bearing Design | Single Row Tapered |
| Material | Top-Tier Vacuum-Degassed Bearing Steel |
| Cage Material | Stamped Steel |
Product Introduction
The 2788/2729 is a robust inch-series tapered roller bearing assembly combining the standard 2788 cone with the specialized 2729 cup. While retaining the standard 38.1 x 76.2 x 23.812 mm envelope dimensions, the 2729 outer cup provides unique seating characteristics tailored for specific automotive differential and industrial housings. Forged from top-tier GCr15 bearing steel and subjected to meticulous grinding processes, this assembly ensures minimized running drag and exceptional dynamic load capacity, securing maximum reliability for aftermarket parts distributors.
Applications
Custom automotive differentials and specialized drive axles.
Agricultural machinery PTO hubs and seeding equipment.
Light industrial conveyor systems and gearboxes.
FAQ
Q: What is the difference between the 2720 cup and the 2729 cup?
A: While the outer diameter is the same, the 2729 cup may feature a different outer corner radius or subtle profile change to perfectly seat against specific machine housing shoulders.
Q: What operating temperatures can this bearing withstand?
A: Standard units operate safely from -30°C up to +120°C with standard industrial lubricants.
OEM & Custom Service
Custom B2B solutions including private brand packaging, custom surface finishes, and flexible minimum order quantities (MOQs).
Packing & Delivery
Coated with heavy-duty rust inhibitor, sealed in VCI plastic wrapping, packed into individual branded boxes, and consolidated into export-ready wooden pallets.
