Ball bearing units

**Introduction to KOYO Ball Bearing Units: Precision, Durability, and Performance**

KOYO ball bearing units are engineered to deliver exceptional reliability, high-speed performance, and long service life in demanding industrial and automotive applications. As a trusted name in motion control solutions, KOYO combines advanced materials, precision manufacturing, and innovative design to produce bearing units that excel under heavy loads, extreme temperatures, and harsh operating conditions. These units are integral to machinery where smooth rotation, minimal friction, and low maintenance are critical for operational efficiency.

### **Technical Features & Design Excellence**
KOYO ball bearing units incorporate several key features that set them apart:

– **High-Grade Materials:** Manufactured from premium chrome steel or specialty alloys, KOYO bearings offer superior hardness, wear resistance, and fatigue life. Some variants feature heat-treated components for enhanced durability in high-stress environments.
– **Precision Engineering:** Tight tolerances and optimized raceway geometry ensure smooth operation, reduced vibration, and consistent performance even at high rotational speeds.
– **Sealing & Lubrication:** Advanced sealing options (contact or non-contact) prevent contamination from dust, moisture, or chemicals, while high-performance greases extend relubrication intervals.
– **Versatile Configurations:** Available in metric and inch sizes, with options for pillow blocks, flanged housings, or take-up units to suit diverse mounting requirements.

### **Performance Advantages**
KOYO’s ball bearing units are designed to outperform competitors in critical areas:

– **Load Capacity:** Optimized internal designs distribute radial and axial loads evenly, minimizing stress concentrations and prolonging bearing life.
– **Energy Efficiency:** Low-friction seals and precision-ground components reduce power consumption, making them ideal for sustainable operations.
– **Temperature Resistance:** Stable performance across a wide temperature range (–30°C to +150°C, depending on lubrication and material selection).
– **Noise & Vibration Control:** Ideal for precision equipment like medical devices or robotics, where quiet operation is essential.

### **Typical Applications**
KOYO ball bearing units are widely used across industries, including:

– **Industrial Machinery:** Conveyors, pumps, gearboxes, and electric motors benefit from their robustness and low-maintenance design.
– **Automotive Systems:** Found in wheel hubs, transmissions, and auxiliary drives, where reliability under dynamic loads is critical.
– **Precision Equipment:** Semiconductor manufacturing tools, CNC spindles, and aerospace actuators rely on KOYO’s high-accuracy bearings.

With a reputation for innovation and quality, KOYO ball bearing units provide engineers and maintenance teams with a dependable solution to reduce downtime, improve efficiency, and extend equipment lifespan. Whether in heavy industry or high-tech applications, KOYO’s engineering excellence ensures optimal performance under the most challenging conditions.

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Bearing No. Classification[1] Classification[2]
UCT308
Ball bearing units
Take-up type
UCT209
Ball bearing units
Take-up type
UCT309
Ball bearing units
Take-up type
UCT210
Ball bearing units
Take-up type
UCT310
Ball bearing units
Take-up type
UCT201
Ball bearing units
Take-up type
UCT211
Ball bearing units
Take-up type
UCT202
Ball bearing units
Take-up type
UCT311
Ball bearing units
Take-up type
UCT203
Ball bearing units
Take-up type
UCT212
Ball bearing units
Take-up type
UCT204
Ball bearing units
Take-up type
UCT312
Ball bearing units
Take-up type
UCT205
Ball bearing units
Take-up type
UCT305
Ball bearing units
Take-up type
UCT306
Ball bearing units
Take-up type
UCSFL202XS6
Ball bearing units
Stainless series rhombic-flanged type
UCSFL203XS6
Ball bearing units
Stainless series rhombic-flanged type
UCSFL204S6
Ball bearing units
Stainless series rhombic-flanged type
UCSFL205S6
Ball bearing units
Stainless series rhombic-flanged type