6414 Deep Groove Ball Bearing Heavy Duty Series for Large Machinery | 70×180×42 mm
The 6414 open deep groove ball bearing is part of the heavy-duty 64 series, specifically designed to support high radial loads and bidirectional axial forces in large rotating equipment. Its open configuration provides engineers with the freedom to incorporate custom sealing systems or integrate the bearing into centralized lubrication circuits. With a 70 mm bore, 180 mm outer diameter, and 42 mm width, this bearing is widely specified for heavy industrial gearboxes, large electric motors, pumps, and material handling systems where durability and high-speed performance are required.
6414 Deep Groove Ball Bearing 70×180×42mm | ISO 64 Series – Heavy Duty | Open Design (No Seals/Shields)
Engineered with an optimized internal raceway geometry, the 6414 delivers smooth, high-speed operation with an oil limiting speed of 4,600 r/min. It offers a dynamic load rating of 143.0 kN and a static load rating of 103.2 kN, making it ideal for drivetrains subject to continuous heavy loads and occasional shock loads. The open design enables direct relubrication and allows the use of application-specific external seals, ensuring extended service life in both clean and dusty environments.

A versatile component trusted across industries for its load capacity, speed, and adaptability.
Manufactured from high-quality chrome steel with precision-ground raceways and balls, the 6414 operates with minimal friction and vibration. This results in lower energy consumption, reduced noise, and the ability to maintain efficiency even at higher speeds.
The 6414's large 70×180×42 mm dimensions, combined with precision-engineered raceways, provide outstanding dynamic (143.0 kN) and static (103.2 kN) load ratings. This ensures reliable performance under heavy continuous loads and momentary peak loads in demanding industrial applications.
Without integral seals or shields, the bearing can be easily incorporated into systems with existing oil or grease lubrication. It also allows engineers to select external sealing solutions best suited to the operating environment, enhancing protection against contaminants.
| Bearing Type | Single Row Deep Groove Ball Bearing |
| ISO Dimension Series | 64 Series – Heavy Duty |
| Basic Designation | 6414 |
| Suffix | Open (No Seal / No Shield) |
| Bore Diameter (d) | 70 mm |
| Outer Diameter (D) | 180 mm |
| Width (B) | 42 mm |
| Material (Races & Balls) | Chrome Steel (GCr15 / SAE 52100) |
| Precision Class | Standard / P5 Grade Available |
| Cage Material | Steel Stamped (Standard), Nylon Also Common |
| Dynamic Load Rating (Cʳ) | 143.0 kN |
| Static Load Rating (C₀ʳ) | 103.2 kN |
| Limiting Speed (Grease) | 3,900 r/min |
| Limiting Speed (Oil) | 4,600 r/min |
| Weight (approx.) | 4.83 kg |
This bearing conforms to international dimensional standards and is directly interchangeable with all major bearing manufacturers:
The standard 6414 is supplied as an open bearing. For applications requiring built-in contamination protection, sealed variants such as 6414-2RS (double rubber seals) or shielded variants such as 6414-ZZ (double metal shields) are available as alternative configurations from stock.
"The 6414 open deep groove ball bearing is a reliable choice for engineers designing large industrial gearboxes, electric motors, and heavy machinery. Its combination of high load capacity, speed capability, and design flexibility makes it a preferred component in the 64 series for demanding rotating equipment."
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Details
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Details
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Details
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Details
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Details
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Details
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