Attributes

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

5 reviews

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.

5 FAQ

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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