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6404-ZZ Deep Groove Ball Bearing
The 6404-ZZ is a double metal-shielded deep groove ball bearing with a 20 mm bore, 72 mm outside diameter and 19 mm width. It is designed for general machinery where a shielded bearing configuration is preferred.
Key Features
Double metal-shielded configuration
20 mm bore and 72 mm outside diameter
19 mm width
Helps limit ingress of larger contaminants
Suitable for motors, fans, pumps and rotating equipment
Practical option for general industrial applications
OEM and private-label programs available
Technical Specifications
| Model | 6404-ZZ |
|---|---|
| Type | Shielded Deep Groove Ball Bearing |
| Bore Diameter (d) | 20 mm |
| Outside Diameter (D) | 72 mm |
| Width (B) | 19 mm |
| Reference Weight | 0.40 kg |
| Shield | Double Metal Shields |
Applications
6404-ZZ bearings can be used in electric motors, fans, pumps, conveyors and industrial machinery. The metal-shielded construction provides a practical balance between bearing protection and the requirements of general rotating equipment.
Related 6400 Series Models
| Model | d | D | B | Versions |
|---|---|---|---|---|
| 6403-ZZ | 17 | 62 | 17 | Open / 2RS / ZZ |
| 6405-ZZ | 25 | 80 | 21 | Open / 2RS / ZZ |
| 6406-ZZ | 30 | 90 | 23 | Open / 2RS / ZZ |
| 6407-ZZ | 35 | 100 | 25 | Open / 2RS / ZZ |
Service & OEM Support
DBS Bearing can supply 6404-ZZ bearings for distributors and equipment manufacturers. OEM services include customized packaging, private labeling and logo marking, subject to project requirements.
FAQ
What does ZZ mean?
ZZ commonly refers to double metal shields.
What is the size of 6404-ZZ?
The dimensions are 20 × 72 × 19 mm.
Should I choose ZZ or 2RS?
ZZ uses metal shields, while 2RS uses rubber seals. The choice depends on the required contamination protection and operating conditions.
Request a Quote
Contact DBS Bearing for 6404-ZZ pricing and OEM supply.
