FAG, INA and LuK: What Each Schaeffler Brand Is Known For

An enquiry containing FAG, INA and LuK part numbers may look like one brand list, but it usually covers three quite different product areas. FAG is closely associated with rolling bearings and wheel-end products. INA is widely recognised for needle roller bearings, linear systems and engine components. LuK is best known for clutch and transmission solutions. All three are part of the Schaeffler Group.

This distinction matters when a purchasing team is working from an old maintenance list, a photograph or a shortened part number. A FAG bearing cannot be replaced with an INA reference just because the main dimensions look similar. A LuK repair kit should not be selected from the vehicle model alone when an OE reference or VIN is available. Knowing the brand relationship helps, but the complete part number is still the starting point for a reliable quotation.

For a quick first check, separate the list by product type:

Editorial illustration: three product families commonly associated with FAG, INA and LuK. It is not manufacturer packaging or proof of origin.

FAG, INA and LuK within Schaeffler

The three brands developed through different engineering histories and later came together within Schaeffler. INA grew from Schaeffler's development of the cage-guided needle roller bearing. LuK was founded in 1965 and became known for diaphragm-spring clutch technology. FAG traces its bearing history to Friedrich Fischer's ball-grinding machine in Schweinfurt in 1883.

Schaeffler fully acquired LuK in 1999/2000 and acquired FAG in 2001. The brands subsequently became part of one group, while retaining established product identities in the market.

In September 2026, Schaeffler announced a phased change for its Vehicle Lifetime Solutions aftermarket business. Beginning with FAG in the second quarter of 2027, aftermarket packaging will place the Schaeffler name more prominently. INA and LuK products are scheduled to follow gradually. Schaeffler has stated that product quality, specifications, part numbers, agreements and day-to-day processes will remain unchanged during the transition, and the established FAG, INA and LuK names will remain visible on components.

For a buyer, the practical point is that packaging may change while the technical identity remains tied to the complete designation, manufacturer data and component marking. Older and newer packaging may therefore appear in the market at the same time.

FAG: rolling bearings and wheel-end expertise

FAG is closely associated with rolling bearing technology. Its range covers products used in industrial machinery, machine tools, rail systems, wind turbines and automotive chassis applications. Depending on the product family, buyers may encounter deep groove ball bearings, angular contact ball bearings, cylindrical and spherical roller bearings, tapered roller bearings, spindle bearings and wheel-bearing solutions.

The FAG name is especially relevant when running accuracy, load capacity, heat generation or mounting condition is important. A machine-tool bearing designation, for example, can contain suffixes for accuracy, preload, contact angle, sealing and universal matching. Those suffixes are part of the product requirement; they are not optional wording.

When requesting a FAG bearing, send the complete marking from the bearing and package. A base number such as B7211 does not provide the same information as a complete designation such as B7211-E-T-P4S-UL.

INA: needle rollers, linear motion and compact bearing systems

INA is strongly associated with needle roller bearings and compact motion components. Its industrial portfolio includes drawn-cup needle roller bearings, machined needle roller bearings, track rollers, support rollers, linear guidance systems, screw-drive support bearings and other high-load components for limited installation space.

INA also has an important automotive and transmission presence. In the aftermarket, the name appears on engine timing, front-end auxiliary drive, valve-train, cooling and transmission repair products. This means the same brand can appear in a CNC screw-drive enquiry and in an automotive repair enquiry, but the information needed for quotation will be different.

For industrial INA products, the full suffix can identify seals, accuracy, lubrication or design generation. ZKLF1560-2RS-XL, for example, describes a specific double-row axial angular contact ball bearing unit for screw drives. Removing 2RS or XL creates an incomplete request.

LuK: clutch and transmission repair solutions

LuK focuses on powertrain and transmission technology. Typical aftermarket enquiries include clutch kits, dual-mass flywheels, clutch release systems, self-adjusting clutch solutions and transmission-related repair components.

LuK selection usually requires more than a visual match. Vehicle make, model, year and engine information can narrow the search, but the VIN, OE number and existing part marking are more reliable. Regional vehicle variants may use different clutch or flywheel arrangements even when the model name appears identical.

Industrial bearing buyers should also avoid treating LuK as another general bearing brand. It belongs to the same group as FAG and INA, but its main product role is different.

Technical illustration: a product-family comparison, not an official FAG, INA or LuK catalogue drawing.

Why similar dimensions do not make FAG and INA interchangeable

Products from FAG and INA may appear in the same Schaeffler catalogue environment, and some applications may have cross-references, but that does not make them automatically interchangeable. A valid replacement needs a technical comparison.

Check at least:

• Complete designation and suffixes

• Bore, outside diameter and width

• Bearing type and internal geometry

• Accuracy class and running tolerance

• Radial clearance or preload

• Cage, seals and lubrication

• Load and speed requirements

• Housing, shaft and mounting features

• Current manufacturer catalogue and machine-builder approval

A dimensional match alone is not enough for a spindle, screw drive, gearbox or traction motor. If an alternative is quoted, the supplier should state the differences clearly instead of describing it only as an “equivalent.”

Checking products when packaging changes

Brand transitions create opportunities for confusion. Older and newer packages may coexist in the supply chain, especially for slow-moving industrial references. A package difference does not by itself prove that a product is false, but it should trigger a structured check.

Compare the package label, complete designation, country and date information, traceability codes and physical marking. Check whether the bearing construction agrees with the catalogue. For precision products, confirm the matching set, accuracy and preload information. For automotive kits, confirm that all listed components and installation instructions are present.

At FONKIN BEARING, we do not use packaging appearance alone as proof of authenticity. A sound check looks for agreement between the label, the component marking, the construction, the catalogue and the supply record.

Editorial illustration: dimensions, markings and documents should be checked together before shipment.

Where FONKIN BEARING fits into the supply process

FONKIN BEARING is an independent bearing and industrial-parts supplier. FONKIN is not presented as the owner of FAG, INA or LuK, and no authorised-distributor status should be assumed unless it is documented for a specific transaction.

Our work starts with the customer's list: cleaning up incomplete references, checking suffixes, identifying missing application details and comparing available supply options. Depending on the request, the quotation may cover FAG and INA bearing references, LuK automotive references or a technically reviewed FONKIN-brand option.

A FONKIN-brand alternative is not automatically identical to an original branded product. Before quotation, the required dimensions, tolerance, clearance, cage, material, sealing, lubrication and application must be confirmed. Any proposed difference should be stated for buyer approval.

Buyers may also state one of these instructions in the RFQ:

• Original brand only: quote only the requested FAG, INA or LuK reference.

• Original first, alternative separately: quote the requested brand and list any FONKIN option as a separate line.

• Alternative accepted: propose an option only after all relevant technical differences have been shown.

This avoids a common purchasing problem: receiving a lower price without being told that the cage, clearance, seal, accuracy or kit content has changed.

Information that makes an RFQ easier to quote

For FAG or INA industrial products, send:

• Complete bearing designation and quantity

• Clear photographs of the bearing and package labels

• Machine manufacturer, model and bearing position

• Dimensions when the marking is incomplete

• Speed, load, temperature and lubrication details when relevant

• Destination country and required delivery date

For LuK automotive products, send:

• Complete LuK or OE reference

• VIN when available

• Vehicle make, model, year, engine and transmission

• Photographs of the existing part and label

• Quantity and destination

These few details save several rounds of email and greatly reduce the chance of quoting the wrong variant.

Need a quotation? Send the complete part number, quantity, destination country and clear marking photographs. FONKIN BEARING will first check the reference and identify any missing information. WhatsApp: +86-187-5155-1686 · Email: fonkin-industries@188.com · Send an enquiry

Frequently asked questions

Are FAG, INA and LuK the same brand?

They are established product brands within the Schaeffler Group, but they have different histories and product strengths. Buyers should continue to use the complete product designation shown in the applicable catalogue and on the component.

Will FAG, INA and LuK names disappear in 2027?

Schaeffler has announced a phased aftermarket brand transition beginning with FAG in the second quarter of 2027. The company says the established product-brand names will remain visible in a supporting role and on the metal components during the transition.

Can FONKIN quote an alternative to a FAG or INA bearing?

An alternative can be reviewed when the buyer permits it. It must be compared by complete technical requirements rather than dimensions alone, and the buyer should approve all stated differences.

What is the fastest way to request a quotation?

Send the complete designation, quantity, destination and photographs. New customers may contact FONKIN BEARING by WhatsApp at +86-187-5155-1686 or email fonkin-industries@188.com.

Conclusion

FAG, INA and LuK belong to Schaeffler, but each name still gives buyers useful information about the product family and application. FAG is strongly associated with rolling bearings, INA with needle rollers and compact motion systems, and LuK with clutch and transmission solutions. The safest purchasing method is to keep every prefix and suffix, check the application and document any proposed alternative.

FONKIN BEARING can review bearing lists, part photographs and application information for international enquiries. Send the complete references rather than a shortened number, and state whether only the requested brand is acceptable or a reviewed FONKIN-brand option may also be quoted. That one sentence makes the quotation clearer for both sides.

References

• Schaeffler Group history

• Schaeffler aftermarket brand announcement, September 2026