6008 Widely Used Deep Groove Ball Bearing For General Engineering | 40×68×15 Mm
The 6008 Open is a Versatile and Widely Used Single Row Deep Groove Ball Bearing engineered for general industrial applications requiring high-speed capability and robust performance. Featuring an open (no seal or shield) design, it allows for free circulation of oil or grease lubrication, making it ideal for assemblies where lubrication is supplied externally. With a 40 mm bore, 68 mm outer diameter, and 15 mm width, this bearing is a standard choice for transmissions, electric motors, and industrial gearboxes where reliable radial and axial load accommodation is essential .
6008 Deep Groove Ball Bearing 40x68x15 mm | ISO 60 Series – Medium Series | Open Design
This precision bearing incorporates a deep groove raceway geometry, supporting stable operation at speeds up to 12,000 r/min (Oil) and 10,000 r/min (Grease) . Designed to carry moderate radial loads and light axial loads in both directions, the 6008 Open is a dependable component for various electromechanical assemblies, pumps, compressors, and devices operating in typical industrial settings .

Ideal for a broad range of industrial and mechanical applications requiring reliable operation and flexible lubrication:
Precision-manufactured to ABEC 1 / Class 0 standards, the 6008 ensures consistent internal geometry, providing stable, smooth rotation characterized by low vibration and noise levels . This makes it well-suited for equipment used in industrial environments, pumps, and general machinery where reliable performance is required .
Equipped with an open configuration (no seals or shields), the bearing allows unrestricted lubricant flow, making it suitable for both oil and grease lubrication systems . This design facilitates easy maintenance and re-lubrication in assemblies where bearings are regularly serviced or where the surrounding lubricant provides protection.
Featuring a 60 series construction in a 40×68×15mm configuration, this bearing delivers reliable load capacity for general engineering applications. It is specifically designed for mechanisms where standardized dimensions and easy replacement are paramount.
| Bearing Type | Single Row Deep Groove Ball Bearing |
| ISO Dimension Series | 60 Series – Medium Series |
| Basic Designation | 6008 |
| Suffix | Open (No seals or shields) |
| Bore Diameter (d) | 40 mm |
| Outer Diameter (D) | 68 mm |
| Width (B) | 15 mm |
| Material (Races & Balls) | Chrome Steel (GCr15 / SAE 52100) |
| Precision Class | Standard / P5 Grade Available |
| Cage Material | Pressed Steel Cage (optional machined brass) |
| Dynamic Load Rating (Cʳ) | 16.8 - 18.6 kN |
| Static Load Rating (C₀ʳ) | 11.5 - 11.6 kN |
| Limiting Speed (Grease) | 10,000 r/min |
| Limiting Speed (Oil) | 12,000 r/min |
| Weight (approx.) | 0.190 - 0.194 kg |
Direct replacement for:
The 6008 Open comes as a standard, non-sealed bearing with a pressed steel cage. This configuration allows for flexible lubrication methods, making it suitable for applications where oil bath, oil circulation, or grease lubrication is already present in the system . For applications demanding protection against dust or moisture, the shielded (6008-ZZ) or sealed (6008-2RS) versions can be selected.
"A fundamental component for industrial drive systems and general machinery, the 6008 Open is chosen for applications where standardized dimensions, flexible lubrication, and reliable load capacity are essential for long-term operational performance."
The 6022-2RS is a Double Rubber-Sealed Single Row Deep Groove Ball Bearing engineered to deliver reliable, long-lasting performance in industrial power transmission and processing equipment. Equipped with two synthetic rubber contact seals (2RS) on both sides, it provides excellent protection against moisture, dust, and fine particulate contamination, effectively retaining lubrication and preventing premature wear in demanding operating conditions. With a 110 mm bore and optimized cross-section from the 60 series extra-light designation, this bearing is well-suited for electric motors, pumps, gearboxes, and industrial machinery operating in moderately contaminated environments.
Details
The 6003-ZZ is a versatile, single-row deep groove ball bearing engineered for a broad spectrum of industrial and light-duty machinery requiring dependable performance under moderate loads. Featuring dual Z-type metal shields, this bearing provides effective protection against the ingress of dust and solid contaminants while maintaining low frictional torque. With a 17 mm bore and a 10 mm width, it is the preferred choice for electric motors, pumps, and household appliances where durability and contamination resistance are critical for extended service life.
Details
The 602 Open is a Miniature Deep Groove Ball Bearing engineered for ultra-compact mechanisms where minimal friction and high rotational speeds are paramount. With an open design (without shields or seals), this bearing allows maximum speed capability and easy relubrication, making it ideal for precision instruments, small motors, and devices that demand low torque and smooth, quiet operation in clean environments. Its 2 mm bore and ultra-light cross-section enable integration into the most space-constrained assemblies.
Details
The 602-2RS is a Double Rubber-Sealed Miniature Deep Groove Ball Bearing engineered for compact mechanisms requiring reliable protection against moisture, dust, and fine particulate contamination. With two synthetic rubber contact seals (2RS) on both sides, this bearing provides excellent sealing performance while retaining lubrication and preventing ingress of contaminants in challenging environments. Featuring a 2mm bore and ultra-compact cross-section, it is ideal for precision instruments, small electric motors, and medical devices where space is severely limited and operational cleanliness is critical .
Details
The 603-2RS is a Miniature Deep Groove Ball Bearing designed for high-precision applications where space is extremely limited and reliable sealing is critical. Featuring double rubber contact seals (2RS) , this variant provides superior protection against moisture, dust, and fine particulate contamination. With a tiny 3 mm bore, a 9 mm outer diameter, and a 5 mm width, it is the ideal choice for compact rotary assemblies requiring maintenance-free operation and low frictional torque.
Details
The 6008 Open is a Versatile and Widely Used Single Row Deep Groove Ball Bearing engineered for general industrial applications requiring high-speed capability and robust performance. Featuring an open (no seal or shield) design, it allows for free circulation of oil or grease lubrication, making it ideal for assemblies where lubrication is supplied externally. With a 40 mm bore, 68 mm outer diameter, and 15 mm width, this bearing is a standard choice for transmissions, electric motors, and industrial gearboxes where reliable radial and axial load accommodation is essential .
Details
The 6008-2RS is a Single-Row Deep Groove Ball Bearing featuring double-lip contact rubber seals on both sides, designed for reliable performance in light-to-medium duty industrial and commercial equipment. Its compact 40 mm bore, 68 mm outer diameter, and 15 mm width make it ideal for applications with limited housing space that require protection against contaminants. The integrated 2RS seals effectively retain lubricant and exclude dust, moisture, and debris, ensuring extended maintenance-free operation in moderate-speed environments.
Details
The 6008-2Z is a Standard Shielded Deep Groove Ball Bearing from the popular 60-series, designed to handle moderate radial and axial loads in both directions with efficiency and quiet operation. Its double metal shield (2Z) configuration provides effective protection against dust and contaminants while retaining lubrication, making it a maintenance-friendly solution for a wide array of applications. With a 40 mm bore, 68 mm outer diameter, and 15 mm width, this bearing is a common choice for electric motors, automotive components, and general machinery where dependable, high-speed performance is required.
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