The 6706-2RS bearing is a deep groove ball bearing with double-sided contact rubber seals (2RS indicates double-sided sealing). It is suitable for applications requiring dust and contamination protection, low noise, and medium-to-high speed operation. Its main parameters are as follows: Basic Dimensions
Inner Diameter (d): 30 mm
Outer Diameter (D): 37 mm
Width (B): 4 mm
Minimum Chamfer Radius (rs): 0.2 mm
Load and Speed Performance
Dynamic Rated Load (Cr): 1.14 kN (approx. 1140 N)
Static Rated Load (Cor): 0.95 kN (approx. 950 N)
Grease Lubrication Reference Speed: 3300 r/min
Oil Lubrication Limiting Speed: 3800 r/min
Other Characteristics
Type: Single Row Deep Groove Ball Bearing
Seal Type: 2RS (Double-sided rubber seal, contact type)
Material: Commonly bearing steel (e.g., GCr15), some manufacturers offer stainless steel versions (e.g., S6706-2RS)
Weight: Approx. 0.006–0.0083 kg (Slight variations may occur depending on sealing and materials)
Applications: Precision instruments, low-noise motors, automotive parts, motorcycles, camera gimbals, model aircraft, medical devices, etc.
