FAG 6313ZR.C3.L12 – 65 mm Deep Groove Ball Bearing

FAG 6313ZR.C3.L12 – 65 mm Deep Groove Ball Bearing

The FAG 6313ZR.C3.L12 is a robust and versatile deep groove ball bearing, expertly engineered for demanding industrial applications. As a part of the popular 63-series, this bearing combines high load capacity with exceptional speed ratings. The “ZR” suffix indicates a non-contact metal shield on one side, offering excellent protection against contaminants like dust and dirt while maintaining low friction for high-speed operation. The “C3” internal clearance and specialized “L12” grease make it an ideal solution for applications with thermal expansion or high rotational speeds, such as in electric motors, pumps, and fans.

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Quick Navigation

• About This Bearing
• Technical Specifications
• Key Features & Benefits

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About This Bearing

This product is a deep groove ball bearing, a type of rolling-element bearing that supports both radial and axial loads. The “deep groove” design refers to the raceway geometry which allows for a close fit between the rings and the balls, enabling it to handle moderate axial loads in addition to its primary radial load capacity. The “ZR” suffix indicates that the bearing has a single non-contact metal shield on one side. This shield acts as a deflector, providing protection from large contaminants without touching the inner ring, which minimizes friction and allows for higher operating speeds compared to bearings with full-contact seals. The “C3” internal clearance is larger than standard and is crucial for high-speed applications where thermal expansion can occur, preventing the bearing from seizing. The “L12” suffix signifies that the bearing is pre-lubricated with Chevron SRI No. 2 grease, a high-performance lubricant suitable for a wide temperature and speed range, making this bearing “lubricated for life” in most applications.

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Technical Specifications

• Manufacturer: FAG (part of the Schaeffler Group)
• Part Number: 6313ZR.C3.L12
• Dimensions: 65 mm Bore x 140 mm OD x 33 mm Width
• Bearing Type: Deep Groove Ball Bearing
• Seal: Single Metal Shield (ZR)
• Internal Clearance: C3 (larger than standard)
• Grease Type: L12 (Chevron SRI No. 2)
• Dynamic Load Rating (C): 101 kN
• Static Load Rating (C0): 60 kN
• Limiting Speed: 7,300 r/min
• Weight: N/A
• Also Known As: FAG 6313ZR, FAG 6313, 6313ZR.C3.L12, FAG L12

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Key Features & Benefits

• High-Speed Capability: The non-contact ZR shield and C3 internal clearance minimize friction, allowing for high rotational speeds suitable for electric motors and fans.
• Robust Contaminant Protection: The single metal shield effectively deflects dust and coarse dirt, extending the bearing’s service life in moderately contaminated environments.
• Optimized for Thermal Conditions: The larger C3 clearance prevents seizing from thermal expansion, ensuring reliable performance in applications with significant temperature differentials.
• Pre-Lubricated for Life: Factory-filled with Chevron SRI No. 2 grease (L12), eliminating the need for re-lubrication in most standard operating conditions, which simplifies maintenance.
• Versatile Application: Capable of supporting both radial and moderate axial loads, making it a highly versatile component for a wide range of industrial machinery.