Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	Chrome Steel GCr15
Origin	Imported (Germany)
Precision Class	ABEC-7
Seal Type	ZZ (Metal Shield) / 2RS (Rubber)
Inner Diameter Range	3mm - 9mm
Outer Diameter Range	7mm - 19mm
Width Range	2mm - 5mm
Lubrication	High-Speed Synthetic Grease
Cage Material	Steel Ribbon
Warranty	1 Year Manufacturer

5 reviews

Anonymous

Mar 28, 2026

Rating: 5/5

High speed confirmed

Running these at high RPMs on a custom motor setup. They stay cool and maintain smoothness. Genuine German feel.

Anonymous

Feb 23, 2026

Rating: 5/5

Great value for imports

Compared to other brands, these offer better longevity. The packaging was secure and each bearing was individually wrapped.

Anonymous

Feb 22, 2026

Rating: 5/5

Perfect for my drone build

These bearings are incredibly smooth. I used the 688 size for my motor bells and the noise reduction is noticeable. High quality import.

Anonymous

Feb 15, 2026

Rating: 4/5

Good quality but tight fit

The precision is definitely there. Had to press them in carefully as the tolerance is very strict. Works great once installed.

Anonymous

Feb 11, 2026

Rating: 5/5

Exact replacement

Fixed my motor noise issue immediately. The 685 size matched the specs perfectly. Will buy again for future projects.

5 FAQ

Q: Is the 688 size available in rubber sealed version?

A: Yes, please select the 2RS option from the variant dropdown menu for rubber seals.

Q: Can these handle water exposure?

A: For water exposure, we recommend the 2RS sealed version, but prolonged submersion is not advised.

Q: Do you offer bulk discounts?

A: Yes, for orders over 50 units, please contact us directly for a quote.

Q: What is the max RPM rating?

A: Depending on the specific size and load, these are rated up to 30,000 RPM.

Q: Are these compatible with skateboard wheels?

A: No, these are miniature bearings designed for motors and small machinery, not standard skateboards.

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