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Home / Bearings & Bushings / Smooth Outer Diameter Mini Precision High-Speed Small Bearings: Inner Diameters 1, 1.5, 2, 2.5, 3/4/5/6mm, Micro Sizes 7, 8, 9

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Chrome Steel GCr15
Precision Rating ABEC-7
Seal Type Double Metal Shield (ZZ)
Cage Material Steel Riveted
Lubrication Pre-greased
Max Speed Up to 30,000 RPM
Dynamic Load 0.5 - 2.5 kN
Temperature Range -20°C to 120°C
Package Quantity 10 Pieces
Application RC Models, Drones, Instruments

5 reviews

A

Anonymous

Apr 21, 2026

Rating: 5/5

Perfect for Drones

Replaced stock bearings on my racing drone. Flight time improved due to less friction. Highly recommend for high RPM motors.

A

Anonymous

Mar 10, 2026

Rating: 5/5

Very Smooth

Used these for a miniature projector fan. They are incredibly quiet and spin freely right out of the pack.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Fast Shipping

Product arrived well packaged. Bearings are high quality and handle high speeds without overheating.

A

Anonymous

Mar 05, 2026

Rating: 4/5

Good Value

Overall great bearings. One out of ten felt slightly gritty but the rest were perfect. Good price for the quantity.

A

Anonymous

Jan 28, 2026

Rating: 5/5

Exact Fit

Ordered the 3mm bore for a hobby motor. Measurements were spot on with my calipers. No wobble at all.

5 FAQ

Q: Is there a warranty?

A: Yes, we offer a 30-day return policy for defective items.

Q: Can I clean the grease out?

A: Yes, the shields can be carefully removed to clean or re-lubricate.

Q: What size grease is pre-applied?

A: Standard lightweight bearing grease suitable for high speeds.

Q: Do you sell single units?

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

Q: Are these bearings stainless steel?

A: No, these are made of Chrome Steel for maximum hardness and speed.

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