Skip to content
All products
RKB spherical roller bearing · RKB 23156
RKB 23156 spherical roller bearing

RKBBrand we market

RKB 23156 spherical roller bearing

Manufacturer Part Number23156
Brand
RKB
Category
Bearings
Request a quote for 23156 via WhatsApp

We respond promptly.

Request your quote via WhatsApp or email, with the quantity you need.

Can't find the exact model? Write to us with the part number or model you're looking for: we'll find it and quote it, even if it's not listed in the catalog.

Ask via WhatsAppAsk via email

How to read RKB 23156

231Series
Spherical roller bearings, 231 series. For the same bore, each series has a different outside diameter and width.
56Bore
280 mm bore: 56 × 5.

23156 is the standard (ISO) basic designation: it defines the type, the series and the bore.

Description

RKB 23156 is a reference of spherical roller bearing, within Bearings. Request a quote for 23156 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

RKB spherical roller bearings are self-aligning double-row components, designed to withstand high radial loads and axial loads in both directions, even with angular misalignment between shaft and housing. They are used in heavy equipment where shaft deflection or mounting errors require self-aligning capability. MR Accesorios Industriales sells this line in Buenos Aires, Argentina, and advises you on choosing the correct part number for your application.

The designation of this series is read by its main number, which in the examples ranges from 230/500 to 230/750. The prefix 230 identifies the medium-section spherical roller series, and the number after the slash indicates the bore diameter in millimeters. Thus, a 230/500 has a 500 mm bore, a 230/530 has 530 mm, and the rest of the sizes are interpreted in the same way. This nomenclature lets you quickly identify the size and order the exact replacement.

These bearings are used in continuous-process industries: cement plants, steel mills, crushing plants, mills, high-capacity conveyors, industrial fans and paper machines. In Argentina they are common in mining equipment, aggregate plants and heavy drives where the shaft deflects or the housing is not perfectly aligned. Their self-aligning capability reduces the risk of premature failures and simplifies mounting on welded or cast structures.

To select the correct bearing, take into account the radial and axial load, the rotation speed and the environmental conditions. Verify that the housing and shaft meet the recommended tolerances for self-aligning bearings. Sealing is key: if there is dust, water or particles, choose variants with seals or shields. Lubrication must be suitable for the temperature and speed; a high-viscosity grease or circulating oil depending on the case. During mounting, ensure careful initial alignment and avoid direct blows on the rollers.

When replacing a spherical roller bearing, it is common to find equivalent part numbers from different brands. The 230, 231, 232 and 240 series share standardized dimensions, so a bearing from another company with the same designation is usually interchangeable. However, always verify the suffixes that indicate cage, heat treatment or special tolerance, because they can vary between manufacturers. If you have doubts, MR Accesorios Industriales tells you the alternative compatible with your equipment.

To request a quote for the RKB spherical roller bearing you need, send the complete part number or the size via WhatsApp. We'll reply shortly with availability and purchasing options. If you can't find the exact reference, message us with the model or dimensions and we'll quote the size you're looking for.

Dimensions

Eje o agujero
280 mm

Frequently Asked Questions

What does the 230/500 designation mean in a spherical roller bearing?
The prefix 230 indicates the medium-section spherical roller series, and the number after the slash corresponds to the bore diameter in millimeters. In this case, 500 mm. This nomenclature is repeated throughout the series, so you can identify the size by the final number.
When should I use a spherical roller bearing instead of a deep groove ball bearing?
When there are high radial loads, axial loads in both directions or misalignment between shaft and housing. Their self-aligning capability and higher load capacity make them ideal for heavy equipment with flexible shafts or mountings that do not guarantee perfect alignment.
How do I request a quote for an RKB bearing from this series?
Message us on WhatsApp with the complete part number or the size you need. We'll quote you shortly. If you have another brand's part number, we can also give you the corresponding equivalent.
Request a quote for 23156 via WhatsApp
Request a quote on WhatsApp