6702 2RS Deep Groove Ball Bearings 15mm × 21mm × 4mm Thin Section Robot Bearing 61702 2RS
Product Overview
The 6702 ZZ deep groove ball bearing, with dimensions of 15mm inner diameter × 21mm outer diameter × 4mm width, is renowned for its compact size, high-speed capability, and low noise characteristics.
Technical Specifications
| Bearing Number |
Inner Diameter (d) |
Outer Diameter (D) |
Width (B) |
Chamfer (r min) |
Dynamic Load (Cr) |
Static Load (Cor) |
Grease Speed |
Oil Speed |
Weight (Wt ≈) |
| 61700 ZZ |
10 |
15 |
3 |
0.1 |
800 |
390 |
34000 |
40000 |
0.00190 |
| 61701 ZZ/2RS |
12 |
18 |
4 |
0.2 |
910 |
530 |
32000 |
38000 |
0.00310 |
| 61702 ZZ/2RS |
15 |
21 |
4 |
0.2 |
850 |
490 |
28000 |
32000 |
0.00360 |
| 61703 ZZ/2RS |
17 |
23 |
4 |
0.2 |
960 |
610 |
26000 |
30000 |
0.00400 |
6702 ZZ Ball Bearings Specifications
Type
Deep Groove Ball
Inner/Outer Ring/Ball Material
Chrome Steel
Cage Material
Steel
Cage Type
Punching
Precision
P0, P6
Inner Dimension d(Ø)(mm)
15
Outer Dimension D(Ø)(mm)
21
Width B (or T)(mm)
4
Lubrication
Grease
Load Direction
Radial
Specifications/Environment
Standard
Number of Raceway Ring Rows
Single Track
Size Standards
Metric Series
Applications
The 6702 2RS deep groove ball bearing with double-sided rubber seals is widely used across various fields due to its specific design and performance characteristics.
- Home Appliances: Used in washing machines, air conditioner pumps, fans, and soy milk makers for quiet operation and dust protection. Also fits into small devices like smart locks.
- Industrial Machinery: Suitable for CNC machines, textile equipment, and power tools (drills, grinders) where it handles moderate radial loads at high speeds.
- Precision Instruments: Ideal for model aircraft, micro motors, and medical diagnostic devices thanks to its small size (15×21×4mm) and high precision.
- Special Environments: Employed in food processing and wastewater treatment equipment, the sealed design prevents contamination.