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89446/89410 Imperial Tapered Roller Bearing 34.925x76.2x29.37mm
- Precision Alignment: Tapered roller geometry accommodates combined radial forces and thrust loads while retaining exact shaft alignment.
- Separable Design: Facilitates rapid field maintenance by allowing independent mounting of the cup and cone assemblies.
- Enhanced Fatigue Resistance: Deeply hardened raceways resist micro-spalling under severe operational strain.
- Universal Interchange: Standard ABMA inch dimensions guarantee perfect fitment in international machinery.
Technical Data
| Technical Parameter | Metric Value |
| Inner Bore Diameter (d) | 34.925 mm |
| Outer Diameter (D) | 76.200 mm |
| Total Width (T) | 29.370 mm |
| Precision Standard | ABEC-1 / ISO P0 |
Product Specifications
| Specification | Details |
| Item Type | Imperial Tapered Roller Bearing (Single Row) |
| Model Number | 89446/89410 (Cone: 89446 / Cup: 89410) |
| Material | Top-Tier GCr15 Chrome Steel |
| Cage Material | Stamped Steel Cage |
| Dimensions (Inches) | 1.375 x 3.000 x 1.1563 in |
Product Introduction
The 89446/89410 is a versatile inch-series single-row tapered roller bearing designed for high-stress mechanical drivetrains. Comprising the 89446 cone (34.925 mm / 1.375 in bore) and the 89410 cup (76.2 mm / 3.000 in outer diameter), this set provides high structural rigidity and exceptional load carrying performance within a 29.37 mm total width profile. Built from vacuum-degassed GCr15 chromium steel, the 89446/89410 delivers extended operational life and minimum frictional drag, making it a standard stock item for global auto parts distributors, agricultural equipment suppliers, and axle repair specialists.
Applications
Commercial vehicle wheel hubs, rear axle differentials, and drive pinions.
Agricultural tractor axles, harvesters, and tillage machinery.
Industrial gearboxes, winches, and reduction drives.
FAQ
Q: What is the main difference between 89446/89410 and 89449/89410?
A: Both share the same outer cup (89410, 76.2mm OD) and width (29.37mm), but the 89446 has a 34.925mm (1.375 in) bore, whereas the 89449 has a 36.513mm (1.4375 in) bore.
Q: What lubricant is recommended upon installation?
A: High-pressure lithium complex grease or heavy gear oil depending on whether it is fitted in a wheel hub or oil-bathed gearbox.
OEM & Custom Service
B2B customization includes custom laser etching on inner and outer rings, custom box graphics, and customized anti-corrosion oil application.
Packing & Delivery
Coated with industrial anti-rust compound, sealed in VCI plastic wrap, individually boxed, and palletized for secure international ocean freight.
