Industries We Serve

Where precision meets the real world.

RSY Korea18 bearings operate in 7 of the world's most demanding industrial environments — from the extreme shock loads of underground mining to the high-speed precision of automotive drivetrains.

Mining & Minerals Agriculture Manufacturing Automotive Power Generation Construction Steel & Rolling

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Heavy Duty

Industry 01

Mining &
Minerals

Underground mining and mineral processing demand bearings that survive extreme shock loading, heavy contamination, and 24/7 continuous operation where maintenance access is limited and downtime is catastrophic.

⚠ Challenge

Extreme shock loads from blasting and crushing. Dust, slurry, and water ingress. Shaft misalignment in mobile equipment. Temperature extremes underground.

✓ RSY Solution

Spherical Roller Bearings with self-aligning capability. Sealed variants for contamination resistance. High-load rated to withstand continuous shock without fatigue.

Spherical Roller Cylindrical Roller Deep Groove Ball

2.5°

Self-aligning capability of Spherical Roller Bearings — critical for mining conveyors where shaft deflection is unavoidable

Outdoor & Mobile

Industry 02

Agriculture &
Harvesting

Agricultural machinery operates in dusty, wet, and high-vibration environments across long seasons where bearing failure means crops left unharvested. Reliability isn't a preference — it's a requirement.

⚠ Challenge

Dust and crop debris ingress. Heavy vibration from uneven terrain. Seasonal peak loads during harvest. Limited lubrication access during operation.

✓ RSY Solution

Sealed Deep Groove Ball Bearings for combine harvesters and tractors. Grease-packed for extended intervals. Withstand vibration without fatigue failure.

Deep Groove Ball Spherical Roller Double Row Ball

−40°

Cold-start capability of RSY bearings — essential for agricultural operations in cold-climate regions and early-morning harvest starts

Precision

Industry 03

Precision
Manufacturing

CNC machining centers, lathes, milling machines, and industrial robots demand bearings with ultra-low noise, tight dimensional accuracy, and consistent performance at high rotational speeds across millions of cycles.

⚠ Challenge

High rotational speeds with minimal vibration tolerance. Dimensional accuracy critical for finished part quality. Long service life without replacement-related downtime.

✓ RSY Solution

High-precision Deep Groove Ball Bearings in P5/P4 tolerance classes. Low-noise for instrument-grade applications. Cylindrical Rollers for high-speed spindles.

Deep Groove Ball Cylindrical Roller Thrust Bearings

Precision tolerance class available — 10× tighter than standard, ensuring micron-level accuracy in high-precision manufacturing spindles

High Speed

Industry 04

Automotive &
Transport

Drive four-wheelers, two-wheelers, wheel hubs, transmissions, alternators, and steering systems — automotive bearings must deliver OEM-grade reliability across extreme speed and load cycles over hundreds of thousands of kilometres.

⚠ Challenge

Combined radial and axial loads at high speeds. Temperature cycling from cold starts to operating temperature. Long service life requirements matching vehicle lifecycles.

✓ RSY Solution

OEM-spec Deep Groove Ball Bearings for alternators and pumps. Double Row Bearings for wheel hubs. Thrust Bearings for transmission axial positioning.

Deep Groove Ball Double Row Ball Thrust Bearings

+200°

Maximum operating temperature — ensures RSY bearings perform reliably in engine bay and transmission environments without thermal degradation

Critical Load

Industry 05

Power
Generation

Steam turbines, gas turbines, wind generators, hydro turbines, and large generators cannot afford bearing failure — the consequences are measured in megawatts lost and millions in damages. Reliability is the only metric that matters.

⚠ Challenge

Continuous high-speed operation under heavy loads. Extreme temperature environments. Zero tolerance for unexpected failure. Long maintenance intervals.

✓ RSY Solution

Cylindrical Roller Bearings for turbine shafts. Spherical Rollers for generator main bearings. Thrust Bearings for hydro vertical shaft axial positioning.

Cylindrical Roller Spherical Roller Thrust Bearings

L10

Rated life engineering — RSY Korea18 bearings are designed to exceed standard L10 life ratings in power generation operating conditions

Heavy Engineering

Industry 06

Heavy
Construction

Crawler cranes, excavators, pile drivers, concrete mixers, and tunnel boring machines operate under extreme impact loads with frequent starts and stops, often in harsh outdoor environments with minimal maintenance frequency.

⚠ Challenge

Severe impact and shock loads. Outdoor operation — rain, dust, temperature variation. Heavy intermittent loads with frequent direction reversals. Limited lubrication access.

✓ RSY Solution

Spherical Roller Bearings for high shock and misalignment tolerance. Sealed variants for outdoor contamination. Heavy lubrication grease compatibility for extended intervals.

Spherical Roller Cylindrical Roller Deep Groove Ball

ISO

Heavy equipment standards — all RSY Korea18 bearings meet international ISO specifications required by major construction equipment OEMs globally

Extreme Conditions

Industry 07

Steel &
Rolling Mills

Hot and cold rolling mills expose bearings to the most extreme combination of load, temperature, and contamination in any industrial application. Only the most precisely engineered bearings survive and deliver the service life that steel producers demand.

⚠ Challenge

Extreme radial loads on roll necks. High temperatures near furnaces and hot rolling. Mill scale and water ingress. Rapid thermal cycling between passes.

✓ RSY Solution

Four-row Cylindrical Roller Bearings for backup rolls. Spherical Roller Bearings for roughing stands. High-Temperature Grease lubrication for continuous operation.

Cylindrical Roller Spherical Roller Thrust Bearings

+220°

HT grease rating — RSY Korea18 High-Temperature Grease maintains film strength up to 220°C, essential for steel mill continuous caster applications

Ready to Specify

Not sure which
bearing you need?

Tell us your industry and application — our engineering team will recommend the right bearing series, clearance, and lubrication solution for your specific conditions.

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