Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	Chrome Steel GCr15
Shield Type	Z (Single) / ZZ (Double)
Precision Grade	ABEC-1 / ABEC-3 / ABEC-5
Cage Material	Steel
Lubrication	Pre-greased
Inner Diameter	3.175mm - 25.4mm (Model Dependent)
Outer Diameter	9.525mm - 38.1mm (Model Dependent)
Width	3.967mm - 7.938mm (Model Dependent)
Recommended Use	Drones, Robotics, Fishing Reels, Small Motors
Package Quantity	10 Pieces per Pack

5 reviews

Anonymous

Apr 03, 2026

Rating: 5/5

Perfect for my drone build

Smooth rotation and fit perfectly in the motor mounts. Great value for the price.

Anonymous

Mar 24, 2026

Rating: 4/5

Works for fishing reel

Replaced old bearings in my reel. Spins much smoother now. One star off because packaging was basic.

Anonymous

Mar 20, 2026

Rating: 5/5

Fast shipping

Arrived quickly and packaged securely. No damage to the small parts.

Anonymous

Mar 15, 2026

Rating: 4/5

Good quality, slight grease smell

Bearings work well. Had to clean off some factory grease but otherwise solid.

Anonymous

Jan 25, 2026

Rating: 5/5

Exactly as described

Ordered the R6 size. Dimensions were accurate using calipers. Very happy.

5 FAQ

Q: Do you sell single pieces or only packs?

A: We sell them in packs of 10 to ensure value and availability.

Q: Are these stainless steel?

A: No, these are made of Chrome Steel GCr15 for durability.

Q: What is the tolerance on the R8 model?

A: The standard tolerance follows ABEC specifications for miniature bearings.

Q: Is the shield removable for cleaning?

A: The Z/ZZ shields are non-contact but not designed to be removed without damage.

Q: Can I use these in high temperature environments?

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

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