Description
Overview:
The 4T-18590/18520 taper roller bearing is a single-row, separable cup and cone set designed to carry combined radial and axial loads with low friction. Made from hardened steel with precision-ground raceways and tapered rollers, it offers stable performance and long service life. Commonly used across construction plant and garden machinery, it suits wheel hubs, pulleys, drives, and spindle assemblies where durability and accuracy matter. The bearing's standard dimensions make it easy to specify and replace: inside diameter 41.27 mm (1.625 in), outside diameter 73.025 mm (2.875 in), and width 16.66 mm (0.656 in). Supplied as the 18590 cone and 18520 cup pairing, it is a dependable choice for compactors, mini excavators, ride-on mowers, chippers, and similar equipment working in demanding environments.
Key Features:
- Premium Japanese-engineered inch-series tapered roller set (cone 18590 + cup 18520)
- Hardened steel construction for high wear resistance and longevity
- Precision-ground raceways for smooth running and low heat build-up
- Handles combined radial and thrust loads effectively
- Separable cup and cone for straightforward fitting and replacement
- Dimensions: ID 41.27 mm (1.625 in) x OD 73.025 mm (2.875 in) x Width 16.66 mm (0.656 in)
- Suitable for grease or oil lubrication and standard maintenance routines
- Stable performance in dusty, wet, or vibration-prone environments
- Helps maintain accurate shaft alignment and consistent end-float/preload
- Widely used across construction plant, agricultural and garden machinery
Typical Applications:
Used in wheel hubs, gearbox and differential outputs, PTO and pulley supports, mower and chipper spindles, conveyor rollers, and general transmission shafts. Ideal where compact size, robust load capacity, and repeatable setting of end-float/preload are required. Suitable for equipment operating outdoors, under shock loads, or in continuous-duty cycles found on compactors, mixers, small loaders, forestry and grounds-care machines.
Also known as:
Tapered roller bearing set, TRB, cone and cup set, inch-series bearing, 18590 cone with 18520 cup, hub bearing, axle bearing, wheel bearing set, 41.27 x 73.03 x 16.66 bearing, taper bearing assembly.
Alternate Part Numbers:
4T-18590/18520, 4T1859018520
Product Specifications
| L&S Part No. | 919 0002 |
|---|---|
| Unit of Sale | 1 |
| Size | Inside diameter: 41.27mm Outside diameter: 73.025mm Width: 16.66mm |
| Key Features | - Inside diameter 41.27 mm, outside diameter 73.025 mm - Hardened steel for high wear resistance - Precision-ground raceways reduce heat build-up - Suitable for radial and axial loads - Separable cup and cone for easy replacement |
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