Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	KIF
Country of Origin	Japan
Precision Grade	P5 (ABEC-5)
Material	Chrome Steel
Seal Type	Open, Z, or ZZ (Model Dependent)
Cage Material	Steel
Lubrication	Pre-greased
Flange Design	Integrated Outer Ring
Noise Level	Low Noise Operation
Warranty	30-Day Manufacturer Defect

5 reviews

Anonymous

Mar 21, 2026

Rating: 5/5

Genuine KIF Quality

Smooth rotation out of the box. Packaging was secure and prevented any damage during transit. Highly recommended for precision apps.

Anonymous

Mar 15, 2026

Rating: 5/5

Very Quiet Operation

No vibration detected under load. These are definitely superior to generic alternatives I have used in the past.

Anonymous

Mar 10, 2026

Rating: 4/5

Good Value

Bearings are top notch. Shipping took slightly longer than expected but the product quality makes up for it.

Anonymous

Feb 26, 2026

Rating: 5/5

Excellent Precision

Used these for a robotic arm project. The runout is minimal and they fit the housing perfectly. Genuine KIF quality.

Anonymous

Jan 26, 2026

Rating: 5/5

Perfect Fit for F6900

Replaced old bearings in my drone motor with these. The integrated flange sits flush and vibration is almost non-existent.

5 FAQ

Q: Can I use these in high RPM applications?

A: Yes, the P5 grade and steel cage support high-speed operation, provided load limits are respected.

Q: Are these authentic KIF Japan bearings?

A: Yes, all bearings are sourced directly from authorized distributors in Japan.

Q: What is the dimensional tolerance for the 6903-Z model?

A: They adhere to standard ISO dimensions for the 6903 series with P5 precision tolerances.

Q: Do you offer bulk discounts for orders over 50 units?

A: Yes, please contact our sales team directly for volume pricing inquiries.

Q: Is the pre-applied grease food safe?

A: No, the standard industrial grease is not certified for food contact applications.

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