FAG 3218 angular contact ball bearing
- Brand
- FAG
- Category
- Bearings
- Subcategory
- Angular contact ball bearings
We respond promptly.
Since 1945 · Martínez, Buenos Aires, Argentina
Request your quote via WhatsApp or email, with the quantity you need.
Other brands in this category
Ask us about alternatives. Equivalence is verified for each reference and application.
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 3218
- 32Series
- Angular contact ball bearings, 32 series. For the same bore, each series has a different outside diameter and width.
- 18Bore
- 90 mm bore: 18 × 5.
3218 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
The FAG 3218 bearing has a 90 mm bore, a 160 mm outside diameter and a 52.4 mm width (90 x 160 x 52.4 mm).
FAG 3218 is a reference of angular contact ball bearing, within Bearings. Request a quote for 3218 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
FAG angular contact bearings are ball bearings with offset raceways that allow them to support radial and axial loads in one direction. They are generally mounted in pairs, face-to-face or matched, to absorb combined forces and provide rigidity to the assembly. MR Accesorios Industriales supplies this brand line for industrial applications that demand precision and reliability.
The designation of these angular contact bearings is read as a series of four digits: the first two indicate the dimension series and the last two the bore diameter. For example, in 3217, 3218 and 3220 the 32 series corresponds to a medium section, while in 3314, 3315, 3316 and 3318 the 33 series has a more robust section. That difference influences load capacity and the available mounting space.
They are used in equipment with combined loads: centrifugal pumps, compressors, gearboxes, machine tool spindles, industrial fans and transmissions in general. In the Argentine market they are common in chemical, food and cement plants and in the metalworking sector, where a bearing that works with controlled clearance and good speed is required.
To select the correct bearing, you must take into account the direction of the axial load, the type of sealing or protection, the internal clearance and the mounting method. In angular contact, mounting in pairs is key: they are adjusted against each other to eliminate clearance and distribute the load. Proper lubrication and alignment of the housings also determine the service life of the assembly.
When replacing an angular contact bearing, it is advisable to verify equivalences between brands: different manufacturers use their own designations, but the main dimensions and contact angle usually match. It is always recommended to compare the series and bore diameter before replacing. If you have doubts, send the complete part number and we will help you identify the equivalent option.
If you need FAG angular contact bearings for your equipment, write to us via WhatsApp with the part number or model you are looking for. At MR Accesorios Industriales we reply promptly with the technical information and the corresponding quote.
Dimensions
Boundary dimensions of the basic designation 3218 per ISO 15: 90 x 160 x 52.4 mm (d x D x B).
- Bore
- 90mm
- Outside diameter (D)
- 160mm
- Width (B)
- 52.4mm
The same size in other brands
Pages from other brands with the basic designation 3218: 90 x 160 x 52.4 mm (d x D x B) per ISO 15.
- RKB3218
They share the boundary dimensions set by ISO 15, not the technical data: seals or shields, internal clearance, cage and load rating can differ by brand and suffix. We quote each one by its full part number.
Frequently Asked Questions
- What are the dimensions of the FAG 3218 bearing?
- The FAG 3218 bearing has a 90 mm bore, a 160 mm outside diameter and a 52.4 mm width (90 x 160 x 52.4 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation 3218.
- What does it mean for a bearing to be angular contact?
- It means that its raceways are offset, which allows it to support radial and axial loads in one direction. That is why they are mounted in pairs to cover forces in both directions.
- How do I choose between the 32 series and the 33 series?
- The 33 series has a larger section and load capacity than the 32. The choice depends on the available space and the equipment loads. Send me the measurements and we will advise you.
- Do FAG bearings have equivalents in other brands?
- Yes, in general the main dimensions and contact angle match between manufacturers. The best approach is to compare the series and bore diameter. Ask us with the part number and we will guide you.