6002 ZZ SNR Deep Groove Ball Bearing 15x32x9

Technical Specifications, Applications & Advantages of 6002 ZZ SNR Bearing

The 6002 ZZ SNR deep groove ball bearing 15x32x9 is a high-precision, shielded radial bearing designed for reliable operation in a wide variety of mechanical and industrial systems. It belongs to the 6000 series single-row deep groove type, with double metal shields (“ZZ”) protecting the internal rolling elements from dust and debris while maintaining low friction and stable performance.

Key Dimensions & Characteristics

• Bore / Inner diameter (d): 15 mm

• Outer diameter (D): 32 mm

• Width / Bearing thickness (B): 9 mm

• Shielding type: ZZ (metal shields on both sides)

• Bearing type: Single-row deep groove ball bearing

• Brand: SNR

• Radial clearance class: Standard (C0 / CN)

• Cage: Pressed steel cage

• Material: High-grade chromium bearing steel

• Typical weight: ~ 0.029 kg / ~ 29 g

• Rated speeds (typical):
    • Reference grease speed: ~ 22,000 rpm
    • Mechanical (limiting) speed: ~ 31,000 rpm

• Load ratings:
    • Dynamic load capacity (C): ~ 5.9 kN
    • Static load capacity (C0): ~ 2.85 kN

• Operating temperature range: approx. -30 °C to +120 °C

Because of its standard dimensions and proven design, the 6002 ZZ SNR bearing is broadly interchangeable with other 6002 series bearings (e.g. 6002 ZZ from NSK, NSK, NTN, etc.) when the double-shielded variant is needed.

Applications & Use Cases

This bearing is ideally suited for applications such as:

• Electric motors, generators, and alternators

• Gearboxes, speed reducers, drives

• Pumps, fans, blowers, ventilators

• Machine tools, compact mechanical assemblies

• Household appliances and power tools

• Automotive components, e.g. small drives, auxiliaries

Its shielding (ZZ) makes it particularly good in environments with light dust or particulate presence, where open bearings would be vulnerable.

Advantages & Competitive Strengths

• Double metal shields (ZZ) provide protection without high friction (versus rubber seals)

• Low friction & stable performance at high speeds

• Robust construction and compatibility with standard 6002 dimensions

• High load capacity for its size class

• Wide availability and easy integration due to common size

• Good for retrofit and maintenance - drop-in replacement

• Brand trust - SNR quality ensures consistency and durability

Mounting & Maintenance Tips

• Ensure shaft and housing surfaces are clean, smooth, and within tolerance

• Use proper pressing tools or sleeve-driven installation to avoid damage to inner/outer rings

• If relubrication is possible in your assembly, use a high-quality bearing grease compatible with your operating temperature

• Avoid shock or impact on the bearing during assembly

• Monitor periodically in critical applications for temperature, vibration or noise anomalies

FAQ - Frequently Asked Questions

Q1: What does “ZZ” in 6002 ZZ SNR mean?
“ZZ” indicates that the bearing has metal shields on both sides, offering good protection against dust and particles while keeping friction low.

Q2: Can I interchange 6002 ZZ SNR with 6002 2RS (rubber-sealed) or 6002 open bearings?
In many cases yes, if environmental and sealing requirements permit. 2RS offers better sealing against liquids; open version has lower friction but no protection. Always check radial clearance and tolerances before replacing.

Q3: What is the maximum speed for a 6002 ZZ bearing?
Typical reference speed is ~22,000 rpm (greased), while limiting mechanical speed can reach ~31,000 rpm under ideal conditions.

Q4: How much load can the 6002 ZZ SNR carry?
Dynamic load rating is about 5.9 kN and static rating about 2.85 kN for standard configurations.

Q5: What temperature range can this bearing handle?
It is suitable for typical industrial conditions, from approximately -30 °C up to +120 °C.

Q6: Is this bearing compatible with CAD / 3D models?
Yes, SNR and other bearing manufacturers often provide CAD / 3D files (STEP, IGES) for the 6002 ZZ series to aid design and integration.