626-2RS Deep Groove Ball Bearing Technical Documentation
1. Product Overview
- Model: 626-2RS
- Type: Double Sealed Deep Groove Ball Bearing
- Seal Material: Nitrile Rubber (NBR)
- Precision Grade: Standard (P0)
2. Detailed Parameters
| Model |
d (mm) |
D (mm) |
B (mm) |
Cr (kN) |
Cor (kN) |
Speed (rpm) |
| 623-2RS |
17 |
40 |
11 |
5.9 |
2.8 |
16,000 |
| 624-2RS |
20 |
47 |
14 |
7.8 |
3.6 |
14,000 |
| 625-2RS |
25 |
52 |
15 |
9.2 |
4.5 |
12,000 |
| 626-2RS |
30 |
62 |
16 |
11.5 |
5.8 |
10,500 |
| 627-2RS |
35 |
72 |
17 |
13.8 |
7.2 |
9,000 |
| 628-2RS |
40 |
80 |
18 |
16.5 |
8.9 |
8,000 |
| 629-2RS |
45 |
85 |
19 |
18.7 |
10.2 |
7,000 |
3. Technical Characteristics
- Load Capacity:
- Dynamic load rating (Cr): ~1.8 kN
- Static load rating (Cor): ~0.8 kN
- Speed Limits:
- Grease lubrication: ~25,000 RPM
- Oil lubrication: ~30,000 RPM
- Precision: ABEC-1 standard (for general applications)
4. Applications
- Industrial Equipment:
- Small motors (e.g., fans, pumps)
- Printers and paper handling machinery
- Medical devices (e.g., dental tools, lab instruments)
- Consumer Electronics:
- Hard disk drives (HDD)
- Optical drives
- Low-power robotics
- Automotive Components:
- Window regulators
- Seat adjusters
5. Advantages
- Sealed Design: Protects against dust and moisture, extending service life.
- Compact Size: Ideal for space-constrained applications.
- Low Friction: Ensures smooth operation in high-speed scenarios.
6. Compatible Models
- Equivalent: 626-RZ (double-side seal), 626-2RS (double-side seal)
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