NSK 6906‑2RS Deep-Groove Ball Bearing (30x47x9 mm)

6906 2RS NSK 30x47x9 Deep Groove Ball Bearing

The NSK 6906‑2RS is a precision-engineered, single-row deep-groove ball bearing featuring double rubber seals for superior protection against contaminants. With dimensions of 30 x 47 x 9 mm, it combines durability, low friction, and high-speed capability—perfect for industrial machinery, automotive systems, and automation devices

2. Key Specifications

• Inner Diameter (d): 30 mm

• Outer Diameter (D): 47 mm

• Width (B): 9 mm

• Seal: 2RS (double-sided rubber seal)

• Material: Premium chrome steel (100Cr6)

• Cage Material: Steel

• Lubrication: Pre-filled with grease - ready to install

• Load Capacity: Standard radial and moderate axial tolerance

• Speed Rating: Up to ~13,000 RPM (typical for sealed thin-series bearings)

• Temperature Range: -20 °C to +120 °C

3. Applications

• Industrial drives, conveyors, motors & gearboxes

• Automotive alternators, pumps, transmissions

• Precision equipment: robotics, servo systems, electric tools

• High-speed/dusty environments that demand sealed protection

4. Key Benefits

• Double Rubber Seals (2RS): Keeps grease in and contaminants out—extending life span

• Pre-Greased: Ready for immediate installation—no additional lubrication needed

• High-Speed Performance: Deep-groove construction ensures smooth operation up to ~13,000 RPM

• Durable Construction: Built using high-grade NSK steel & robust cage for improved reliability

5. Warehouse & Shipping

📍 Warehouse: Smoluchowskiego 1, Building 4, Lublin, Poland
🚚 Delivery: 24 h - Next-day shipping nationwide and international

❓ Frequently Asked Questions (FAQ)

Q1: What does “2RS” mean?
It stands for double-sided rubber seal (both sides of the bearing), offering maximum protection from dirt and moisture

Q2: Is this bearing greased?
Yes—NSK bearings arrive pre-lubricated with high-quality grease, ready for immediate installation

Q3: Can it handle axial loads?
Yes—while primarily designed for radial loads, the deep-groove design allows modest axial capacity

Q4: What speed range is possible?
Can safely operate at speeds up to around 13,000 RPM (thin-series bearings)

Q5: Are similar sizes available?
Yes—we offer a broad range of NSK bearings (open, shielded, sealed) on simmering.pl.

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