Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	C&U
Material	Chrome Steel (GCr15)
Precision Rating	ABEC-1 (ISO Class Normal)
Seal Options	Open, Metal Shield (ZZ), Rubber Seal (2RS)
Cage Type	Steel Riveted
Lubricant	Standard Industrial Grease
Noise Level	Low Noise (Z1 Group)
Hardness	HRC 60-65
Country of Origin	China
Package Quantity	10 Units per Box

5 reviews

Anonymous

Mar 14, 2026

Rating: 5/5

Exact fit for 688 model

Ordered the 688 size for my rotary tool. Dimensions are accurate and installation was easy.

Anonymous

Mar 12, 2026

Rating: 4/5

Good value

Works well for general power tool maintenance. Packaging was a bit basic but the bearings are fine.

Anonymous

Mar 03, 2026

Rating: 5/5

High speed performance

Running these at high speeds in my grinder and they hold up well without overheating.

Anonymous

Feb 11, 2026

Rating: 5/5

Perfect for my drill press

These bearings fit perfectly into my drill press spindle. Very smooth operation and no wobble.

Anonymous

Jan 25, 2026

Rating: 5/5

Smooth rotation

Excellent quality for the price. The rotation is silky smooth right out of the box.

5 FAQ

Q: Are these compatible with Dremel tools?

A: Yes, specifically models requiring 688 or 693 sizes. Please check your tool's manual.

Q: What is the maximum RPM?

A: Depends on size, but generally rated up to 30,000 RPM for miniature sizes under proper load.

Q: Is the grease food safe?

A: No, this is industrial grade grease intended for power tools and machinery.

Q: Can I use these for skateboards?

A: We recommend skateboard specific bearings; these are designed for power tool applications.

Q: Do you offer bulk discounts?

A: Yes, please contact sales for orders over 100 packs.

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