• Miniature AC/DC motors for fans and pumps
• Stepper and servo motors in automation
• Cordless power tool armatures
• Cooling fans for electronics and IT equipment

• Electric window lift motors
• Windscreen wiper motors
• Throttle actuators
• HVAC blend door actuators

• Centrifuges and micro‑centrifuges
• Dental handpieces
• Syringe pumps and laboratory stirrers
• Ventilator blower motors

• 3D printer axes and extruder drives
• Robotics joints and hobby servos
• Office automation (printers, copiers, scanners)
• Textile machinery thread guides
• Food processing equipment (small conveyors)

01. Compact Yet Robust Design

Despite its miniature dimensions (8×24×8 mm), the 628‑2RS delivers a dynamic load rating of 3.45 kN, ensuring reliable operation in applications with limited space. The deep raceway grooves allow it to handle both radial and moderate axial forces.

02. Superior Contamination Protection

Double RS‑type contact rubber seals provide a tight barrier against dust, moisture, and fine particulates from both sides. This design retains lubricant effectively and prolongs bearing life in harsh environments, while the low‑friction seal lip maintains efficiency.

03. Precision‑Engineered for Low Noise and High Speed

Manufactured to ABEC‑1 precision standards with a pressed steel cage, the 628‑2RS ensures quiet, vibration‑free operation. Its optimized internal geometry supports speeds up to 22,000 r/min with grease, making it ideal for high‑rpm miniature drives and spindles.

Interchange Part Numbers

Direct replacement for:

• SKF: 628-2RS / 628-2RS/C3
• NSK: 628DD / 628VV
• FAG: 628-2RS
• NTN: 628LLU
• Timken: 628-2RS

Design & Configuration

The 628‑2RS is equipped with double RS‑type contact rubber seals as standard, delivering enhanced protection against moisture and fine dust in demanding environments. For applications where even lower friction is required, the open variant (628) or metal‑shielded version (628‑2Z / 628ZZ) is also available.

"The 628‑2RS is a versatile miniature bearing that combines high‑speed capability with reliable sealing, ideal for compact drives and precision mechanisms where space is at a premium."