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Ground cylindrical steel inner ring for needle roller bearing · SKF LR 15X18X12.5
Inner ring SKF LR 15X18X12.5

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Inner ring SKF LR 15X18X12.5

Manufacturer Part Number
LR 15X18X12.5
Brand
SKFOfficial brand
Category
Bearings
Subcategory
Inner ring

Other brands in this family

  • FAG
  • NTN
  • TIMKEN

Ask us about alternatives. Equivalence is verified for each reference and application.

SKF

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Description

SKF LR 15X18X12.5 is a inner ring reference, within Bearings. Request a quote for LR 15X18X12.5 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The SKF inner ring of the LR series is a removable raceway that is mounted on the shaft to support the needles of a needle roller bearing. It is used when the shaft does not have the hardness or surface finish required to serve directly as a raceway. MR Accesorios Industriales carries this line as part of its SKF bearing offering, with more than 80 years of experience in the industry.

The LR series designation is read as a set of dimensions: the first two numbers indicate the bore diameter, the second pair the outside diameter and the last the width. For example, LR 15X18X12.5 corresponds to a ring with a 15 mm bore diameter, 18 mm outside diameter and 12.5 mm width. Any suffixes that may appear after the series add design characteristics, such as the type of machining or surface treatment, and they should be verified against the technical data sheet before defining the replacement.

These rings are used in applications where the shaft is not hardened or does not have the proper roughness to function as a direct raceway. They are common in agricultural machinery, transmission equipment, pumps, compressors, machine tools and conveying systems. In Argentina, the metalworking, food and industrial maintenance sectors turn to this solution to repair or modify assemblies without having to replace the entire shaft.

To select the correct ring, take into account the shaft diameter, the bearing width and the type of load. The raceway must have the proper hardness and finish; that is why SKF rings come with heat treatment and precision grinding. During mounting, verify alignment with the bearing and avoid impacts that could damage the raceway surface. Lubrication must be compatible with that of the assembly and renewed according to the maintenance plan.

LR series inner rings are interchangeable between brands in terms of standardized dimensions, but they may vary in tolerances, hardness and surface finish. When replacing, always compare the dimensions and service conditions. If you have any doubts, ask us with the full part number and the type of application; at MR Accesorios Industriales we advise you so you can choose the right option.

If you need an SKF LR series inner ring, send us the part number via WhatsApp. At MR Accesorios Industriales we quote and ship throughout the country. We can also help you identify the replacement if you send us the shaft and bearing dimensions.

This description provides guidance on the product type. Check the configuration and dimensions of this reference.

Dimensions

Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm dimensions, sealing, and internal clearance against the manufacturer's data sheet.

Frequently Asked Questions

What does the designation LR 15X18X12.5 mean?
The numbers indicate the dimensions in millimeters: 15 mm bore diameter, 18 mm outside diameter and 12.5 mm width. This nomenclature allows you to quickly identify the size of the inner ring to select the correct replacement.
Is this SKF inner ring suitable for any needle roller bearing?
Not necessarily. The ring must match the bearing and shaft in diameter, width and tolerances. Verify the dimensions and consult the technical data sheet of the assembly before replacing. If you have any doubts, send us the data and we will advise you.
How is an LR inner ring mounted?
It is mounted on the shaft with a proper fit, avoiding impacts that could damage the raceway. Verify alignment with the bearing and lubricate as applicable. For correct mounting, follow the manufacturer's recommendations and consult our technical team.
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