The 61904-2RSR from FAG is a thin-section deep groove ball bearing, engineered for high performance in limited space thanks to its compact profile and narrow width of just 9 mm. Equipped with rubber seals on both sides (2RSR), it offers effective protection against dust, moisture, and contaminants, while ensuring smooth and quiet operation.
This bearing is ideal for applications that demand high precision, low weight, and reliability, such as medical devices, robotics, electronics, and sporting equipment.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | 61904-2RSR |
| Type | Thin-section deep groove ball bearing |
| Brand | FAG |
| Inner Diameter (d) | 20 mm |
| Outer Diameter (D) | 37 mm |
| Width (B) | 9 mm |
| Seals | 2RSR – Rubber seals on both sides |
| Material | Chrome steel |
| Lubrication | Grease (pre-lubricated) |
| Operating Temperature | -30 °C to +110 °C |
| Speed Limit | High |
Key Features
✔ Slim and compact design → Perfect for space-constrained applications
✔ 2RSR seals → Excellent protection from dust and moisture
✔ Low friction and quiet performance
✔ Wear-resistant materials → Long service life
✔ Permanently lubricated → Minimal maintenance required
Typical Applications
🔹 Precision and electronic instruments
🔹 Robotics and light automation
🔹 Medical and scientific equipment
🔹 Cycling, skating, and sports equipment
🔹 Mini motors and compact fans
📦 Choose the FAG 61904-2RSR bearing for high performance, lasting protection, and reliability in tight-space applications! ⚙️
