| Customization: | Available |
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| Inner Bearing: | LM18590 |
| Outer Bearing: | LM18520 |
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L18590/L18520 Tapered Roller Bearing for Trailer Applications
| Part No. | Bearing Name | Bearing Type | Bearing Size | Bearing Kit |
| TB002-IB | Inner bearing L18590 | Bearing Cone | ID:41.28MM (1.625 inches) | L18590 |
| TB002-OB | Outer bearingL18520 | Bearing race | OD73.03mm (2.875 inches) | L18520 |
The L18590/L18520 tapered roller bearing is designed to deliver robust performance in various applications, including trailers, automotive, and industrial settings. This bearing set includes both the inner ring (cone) and the outer ring (cup) in a combined unit, with the following specifications:
Inner Ring (Cone) Part Number: L18590
Outer Ring (Cup) Part Number: L18520
Overall Width (T): 16.764 mm (0.660 inches)
Tapered roller bearings consist of four interdependent components:
These bearings are uniquely designed to manage both thrust and radial loads between a rotating and non-rotating member. The steeper the cup angle, the greater the ability of the bearing to handle thrust loads.
The L18590/L18520 tapered roller bearing is an ideal choice for trailer applications requiring dependable performance and durability. Its robust construction and precise design ensure long-lasting, efficient operation, making it perfect for ensuring the reliability and safety of your trailer wheels.
The inner and outer ring raceways are segments of cones and the rollers are tapered so that the conical surfaces of the raceways, and the roller axes, if projected, would all meet at a common point on the main axis of the bearing. This geometry makes the motion of the cones remain coaxial, with no sliding motion between the raceways and the outside diameter of the rollers.
This conical geometry creates a linear contact patch which permits greater loads to be carried than with spherical (ball) bearings, which have point contact. The geometry means that the tangential speeds of the surfaces of each of the rollers are the same as their raceways along the whole length of the contact patch and no differential scrubbing occurs.
The rollers are stabilized and restrained by a flange on the inner ring, against which their large end slides, which stops the rollers from popping out due to the "pumpkin seed effect" of their conical shape.
The larger the half angles of these cones the larger the axial force that the bearing can sustain.
Tapered roller bearings are separable into a cone assembly and a cup. The non-separable cone assembly consists of the inner ring, the rollers, and a cage that retains and evenly spaces the rollers. The cup is simply the outer ring. Internal clearance is established during mounting by the axial position of the cone relative to the cup, although preloaded installations without clearance are common.
Metric tapered roller bearings follow the designation system defined by ISO 355.
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