Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | NSK |
| Model Number | 6804Z |
| Inner Diameter | 20 mm |
| Outer Diameter | 32 mm |
| Width | 7 mm |
| Material | Stainless Steel |
| Seal Type | DDU (Non-Contact Rubber) |
| Cage Material | Polyamide |
| Country of Origin | Japan |
| Precision Class | ABEC-5 |
Anonymous
Apr 18, 2026
Rating: 4/5
Good but pricey
Works well and seems authentic. Price is a bit higher than generic brands but worth it for reliability.
Anonymous
Mar 26, 2026
Rating: 5/5
Fast Shipping
Genuine product arrived quickly. Packaging was secure and the bearing markings match NSK standards.
Anonymous
Feb 24, 2026
Rating: 4/5
Solid Bearing
No noise during operation at high speeds. Would recommend for industrial applications.
Anonymous
Feb 16, 2026
Rating: 5/5
Great Quality
Runs very smooth and quiet. Installed it in my spindle motor and noticed immediate improvement in vibration levels.
Anonymous
Feb 11, 2026
Rating: 5/5
Perfect Fit
Exactly as described. Dimensions are precise and it fit into the housing without any forcing.
Q: Is this bearing pre-lubricated?
A: Yes, this bearing comes pre-lubricated with standard grease suitable for general industrial use.
Q: Is the outer ring stainless steel as well?
A: Yes, both the inner and outer rings are made of high-grade stainless steel for corrosion resistance.
Q: Can I return this if it does not fit my machine?
A: Yes, we accept returns within 30 days provided the item is unused and in original packaging.
Q: How can I verify this is an original NSK product?
A: Original products feature laser-etched markings on the ring and come in branded packaging with a hologram seal.
Q: What is the maximum RPM for this model?
A: The limiting speed depends on lubrication and load, but it typically supports up to 20,000 RPM under optimal conditions.
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