Attributes

Brand	-
Category	Root / Industrial Small Parts
Origin	-
Material	Chrome Steel GCr15
Country of Origin	Germany
Bearing Type	Flanged Miniature Ball Bearing
Precision Grade	ABEC-7
Seal Type	Double Shielded (ZZ)
Cage Material	Steel Riveted
Lubrication	High-Speed Grease
Maximum RPM	30,000 RPM
Hardness	HRC 60-65
Package Quantity	10 Units per Box

5 reviews

Anonymous

Apr 09, 2026

Rating: 5/5

Genuine German steel

I have been using these for industrial machinery maintenance. The longevity is superior to standard bearings. Highly recommended for critical applications.

Anonymous

Apr 09, 2026

Rating: 5/5

Perfect fit for my drone project

These bearings are incredibly smooth. I used the 4mm inner diameter series for my custom FPV drone build. The German quality is evident in the precision.

Anonymous

Apr 02, 2026

Rating: 5/5

High speed confirmed

Ran these at near max RPM in a test rig. No overheating or noise issues. The flanged design made installation very secure.

Anonymous

Mar 21, 2026

Rating: 3/5

One defective unit

9 out of 10 worked perfectly, but one had a slight grind noise. Contacted support and they replaced it quickly. Overall decent experience.

Anonymous

Feb 07, 2026

Rating: 4/5

Good quality but pricey

They work exactly as described and handle high speeds well. The only downside is the price compared to domestic options, but you get what you pay for.

5 FAQ

Q: Are these suitable for 3D printer motor shafts?

A: Yes, provided the shaft diameter matches the inner diameter selection (2mm to 12mm). They are commonly used in precision motor applications.

Q: Is this shipped directly from Germany?

A: These are German-imported parts, but they are warehoused locally to ensure faster shipping times for our customers.

Q: What is the operating temperature range for the grease?

A: The standard high-speed grease supports temperatures between -20°C to 120°C. For extreme heat, please contact us for specialized options.

Q: Do you offer bulk discounts for orders over 100 boxes?

A: Yes, we offer tiered pricing for bulk industrial orders. Please reach out to our sales department for a custom quote.

Q: What is the warranty policy on these bearings?

A: We offer a 30-day replacement warranty for manufacturing defects. Please retain your order number for any claims.

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