
FAG C41/500-XL-K30-M1B toroidal roller bearing
- Brand
- FAG
- Category
- Bearings
- Subcategory
- Toroidal roller bearings
We respond promptly.
Since 1945 · Martínez, Buenos Aires, Argentina
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.
How to read FAG C41/500-XL-K30-M1B
- C 41Series
- Toroidal roller bearings, C 41 series. For the same bore, each series has a different outside diameter and width.
- /500Bore
- 500 mm bore.
- XL-K30-M1BSuffix
- FAG suffix: it defines the variant (sealing, cage, internal clearance or other features).
C 41/500 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
The FAG C41/500-XL-K30-M1B bearing has a 500 mm bore, a 830 mm outside diameter and a 325 mm width (500 x 830 x 325 mm).
FAG C41/500-XL-K30-M1B is a reference of toroidal roller bearing, within Bearings. Request a quote for C41/500-XL-K30-M1B via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
Toroidal roller bearings are a high-capacity solution for applications where radial and axial loads act together. Their design with toroidal-profile rollers and spherical raceways lets them compensate for misalignment and withstand significant forces. MR Accesorios Industriales sells this FAG line in Buenos Aires, Argentina, for mining, steel, cement and other industries that demand robustness and reliability.
The designation of this series is structured with the letter C, a size number and suffixes that indicate design features. For example, in C41/500-XL-K30-M1B, the prefix C identifies the toroidal roller family; 41/500 indicates the size; XL indicates the optimized design of the current generation; K30 defines the tapered bore with 1:30 taper; and M1B specifies the machined brass cage, roller-centered. Knowing these suffixes lets you select the correct variant for each mounting.
These bearings are used in heavy equipment in mining, steel, cement, paper and power. In Argentina, they are commonly found in large gearboxes, mills, crushers, roller presses and continuous casting machines. Their ability to withstand combined loads and misalignment makes them suitable for transmission shafts with deflection, where other bearings would fail from fatigue. They are also used in applications with oscillating motion or slow rotation and high loads.
To select a toroidal bearing, take into account the magnitude and direction of the loads, the rotational speed and the environmental conditions. The K30 tapered bore requires mounting on a tapered shaft or with an adapter sleeve, and a fit with controlled interference. Lubrication must be chosen according to temperature and speed: grease for low speed or oil for higher regimes. Initial alignment is less critical than in other types, but it is advisable to verify seating and internal clearance after mounting.
As for equivalences, FAG toroidal bearings can be interchanged with those of other brands that follow the same dimensional and suffix nomenclature. However, internal tolerances, cage materials and surface treatments may vary between manufacturers. Therefore, when replacing a bearing, it is advisable to verify the complete part number and the service conditions. MR Accesorios Industriales sells FAG, and can advise you on interchangeability without compromising equipment performance.
If you need a FAG toroidal bearing, write to us on WhatsApp with the part number or model you are looking for. At MR Accesorios Industriales we reply shortly with the technical information and the corresponding quote. We can also help you identify the right variant if you tell us the working conditions and the housing dimensions.
Dimensions
Boundary dimensions of the basic designation C 41/500 per ISO 15: 500 x 830 x 325 mm (d x D x B).
- Bore
- 500mm
- Outside diameter (D)
- 830mm
- Width (B)
- 325mm
Frequently Asked Questions
- What are the dimensions of the FAG C41/500-XL-K30-M1B bearing?
- The FAG C41/500-XL-K30-M1B bearing has a 500 mm bore, a 830 mm outside diameter and a 325 mm width (500 x 830 x 325 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation C 41/500.
- What does the K30 suffix mean in a FAG toroidal bearing?
- The K30 suffix indicates that the bearing has a tapered bore with 1:30 taper. This allows it to be mounted on a tapered shaft or with an adapter sleeve, achieving a fit with controlled interference. It is important to verify the shaft diameter and taper before installation.
- How do I choose between a toroidal bearing and a cylindrical roller bearing?
- The toroidal bearing withstands combined radial and axial loads, and also tolerates misalignment. The cylindrical roller bearing is used when there are only radial loads and high alignment precision is required. The choice depends on the load and mounting conditions.
- What lubricant is suitable for a FAG toroidal bearing?
- The choice depends on speed, temperature and environment. For low speeds and moderate temperatures, a lithium complex grease is suitable. At high speeds or elevated temperatures, circulating oil is recommended. Ask us on WhatsApp with the data for your application.

