FAG 6208 ZZ C3 40x80x18 - heavy-duty deep-groove ball bearing

Industrial Applications & Typical Uses

The FAG 6208 ZZ C3 40x80x18 deep-groove ball bearing is a versatile, high-performance bearing unit designed for a broad range of industrial applications. Its robust construction and sealed design make it suitable for use in electric motors, pumps, gearboxes, conveyors, fans, industrial machines, agricultural equipment, and mechanical drives. The standard 40 mm bore and 80 mm outer diameter ensure compatibility with many machines and drive units, simplifying integration in both new installations and maintenance or retrofit scenarios. The bearing’s sealed “ZZ” design helps protect its internal components from dust, debris, and contaminants — a crucial advantage in heavy-duty or dusty environments typical for industrial settings.

Core Advantages & Performance Features

• Long lifespan and high durability: The deep-groove ball bearing design ensures stable, low-friction rotation and uniform load distribution under continuous operation, contributing to reliable long-term performance.

• Sealed construction (ZZ) for contamination protection: Metal shields on both sides prevent ingress of dust, dirt, and moisture into the bearing’s interior — reducing maintenance needs and enhancing service life even in demanding conditions.

• C3 internal clearance for thermal expansion and higher speed tolerance: The C3 tolerance provides increased internal clearance, allowing the bearing to accommodate thermal expansion or shaft/housing misalignments, and ensuring stable operation at moderate to high speeds.

• Universal usability and easy replacement: With common dimensions (40x80x18 mm) and standard bore size, the bearing is compatible with a wide variety of housings and shafts — making it a practical choice for OEMs, maintenance departments, and machine rebuilders.

• Balanced load handling: As a deep-groove ball bearing, it handles radial loads effectively and tolerates moderate axial loads — offering flexibility for many machine designs and mechanical applications.

Technical Specifications

• Bearing type: Deep-groove ball bearing (universal single-row ball bearing)

• Model: FAG 6208 ZZ C3

• Bore (inner diameter) - d: 40 mm

• Outer diameter - D: 80 mm

• Width - B: 18 mm

• Sealing / Shielding: ZZ (metal shields both sides)

• Internal clearance: C3 (increased internal clearance suitable for higher speed or thermal expansion)

• Load handling: Primarily radial loads; moderate axial load capacity

• Typical applications: Electric motors, gearboxes, pumps, fans, industrial machines, conveyors, agricultural equipment, mechanical drives

• Key attributes: durable bearing unit, sealed protection, easy integration, universal sizing, smooth rotation, low maintenance

FAQ - Frequently Asked Questions

Q: Is FAG 6208 ZZ C3 suitable for electric motors and pumps?
A: Yes — compact 40x80x18 mm size, sealed structure and robust deep-groove design make it an excellent choice for electric motors, pumps, fans, and similar machinery requiring reliable rotation.

Q: What does the “ZZ” suffix mean and why is it important?
A: “ZZ” indicates metal shields on both sides of the bearing, which protect internal components from dust and contaminants. This is especially beneficial in industrial or dusty environments where bearing longevity and low maintenance are priorities.

Q: Why choose tolerance C3 for this bearing?
A: C3 internal clearance provides extra room inside the bearing for thermal expansion or slight shaft/housing misalignment — enhancing performance stability, particularly at higher speeds or variable operating temperatures.

Q: Can this bearing handle both radial and axial loads?
A: The bearing is optimized for radial loads but can also support moderate axial loads, giving design flexibility for many mechanical applications.

Q: Is 6208 ZZ C3 easy to replace or retrofit in existing machines?
A: Yes — its standard dimensions (40x80x18 mm) and common bore size make it highly compatible with existing housings and shafts, facilitating straightforward replacement or upgrade of existing bearings.