624-2RS Deep Groove Ball Bearing Technical Documentation
1. Product Overview
- Model: 624-2RS
- 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. Key Features
- Dual Rubber Seals (2RS): Effective protection against dust, moisture, and contaminants, extending service life in harsh environments.
- High-Speed Performance: Low-friction design ensures smooth operation at high rotational speeds.
- Versatile Mounting: Compatible with standard 20mm shafts (tolerance: 19.95–20.05mm).
- Wide Temperature Range: Operates reliably from -30°C to +120°C.
4. Applications
- Industrial Equipment: Small motors, pumps, and conveyor systems.
- Automotive Components: Alternators, HVAC fans, and wheel hubs.
- Precision Devices: Office automation (printers, scanners) and medical instruments.
5. Brand Equivalents
- SKF: 624-2RS1
- NSK: 624DD
- FAG: 624-2RSR
- KOYO: 624-RS
6. Maintenance Notes
- Avoid over-lubrication (seals retain grease).
- Ensure proper shaft alignment (max. misalignment: 2°).