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Home / Bearings & Bushings / Miniature Deep Groove Ball Bearings 682 683 684 685 686 687 688 689-ZZ 2RS
Bearings & Bushings

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Chrome Steel (GCr15)
Seal Configuration ZZ (Metal) or 2RS (Rubber)
Precision Rating ABEC-1 / ISO P0
Cage Material Stamped Steel
Lubrication Type Standard Grease
Operating Temperature -20°C to 120°C
Dynamic Load Capacity Model Specific
Static Load Capacity Model Specific
Limiting Speed Up to 40,000 RPM
Quantity Per Pack 10 Pieces

5 reviews

A

Anonymous

Apr 07, 2026

Rating: 5/5

Perfect for Drone Motors

These bearings fit my brushless motors perfectly. Very smooth rotation with no play.

A

Anonymous

Feb 28, 2026

Rating: 5/5

High Quality Miniature Bearings

I use these for my RC car wheels. They have significantly reduced friction compared to stock.

A

Anonymous

Feb 20, 2026

Rating: 5/5

Accurate Dimensions

Measured with calipers and the 688ZZ specs were spot on. Great for precision projects.

A

Anonymous

Feb 04, 2026

Rating: 5/5

Smooth Operation

Using these in a 3D printer idler setup. Quiet and reliable so far.

A

Anonymous

Jan 31, 2026

Rating: 4/5

Good Value Pack

Most were great, one felt slightly gritty out of the box but the rest are excellent.

5 FAQ

Q: Is the grease suitable for high temperatures?

A: Standard grease is rated up to 120°C. For higher temps, special lubrication is required.

Q: Can I use these in water exposure?

A: 2RS rubber seals offer better protection than ZZ, but prolonged water exposure is not recommended.

Q: What are the dimensions for the 685 model?

A: The 685 bearing measures 5mm bore, 11mm OD, and 5mm width.

Q: Are these compatible with ceramic hybrids?

A: These are standard steel bearings. Ceramic hybrids are a different product line.

Q: Do you sell individual sizes or mixed packs?

A: This listing is for specific sizes. Please select the model number from the dropdown menu.

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