637 2rs
600 Series Miniature Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
637 2rs Bearing Product Overview & Core Advantages
The 637 2RS is a single row deep groove ball bearing designed for exceptional reliability in demanding applications. Featuring integrated rubber seals (2RS) on both sides, this metric bearing provides robust protection against contaminants while retaining lubrication. Engineered with chrome steel rings and balls combined with a stainless steel cage, it delivers high durability and consistent performance under radial loads. Its compact design and ABEC1 precision make it suitable for applications requiring smooth operation and extended service life.
637 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 637 | Standard bearing series designation with 7mm bore diameter |
| 2RS | Double rubber seals providing effective protection against dust and moisture |
637 2rs Bearing Structural Features & Performance Benefits
Sealed Protection: The nitrile rubber seals (2RS) effectively shield the bearing interior from contaminants while retaining lubricant, making it ideal for dirty environments.
Load Capacity: With a dynamic radial load rating of 873 lbf and static radial load rating of 357 lbf, this bearing handles significant radial loads with reliability.
Precision Engineering: Manufactured to ABEC1 tolerance class with MC3 radial internal clearance (0.002mm to 0.013mm), ensuring consistent performance and smooth operation.
High-Speed Capability: The stainless steel cage and optimized design enable operation at limiting speeds up to 28,000 rpm.
Temperature Resilience: Suitable for operating temperatures from -30°C to 110°C, accommodating various industrial environments.
637 2rs Bearing Typical Application Areas
This versatile bearing finds applications across multiple industries including:
- Electric motors and generators
- Power tools and handheld equipment
- Automotive components (alternators, water pumps, fans)
- Industrial gearboxes and transmission systems
- Medical equipment and small machinery
- Office automation devices (printers, scanners, copiers)
