Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material Composition	Chrome Steel GCr15
Precision Rating	ABEC-7
Seal Configuration	ZZ Metal Shield
Lubrication Type	Pre-lubricated High-Speed Grease
Available Inner Diameters	6, 8, 10, 12, 20 mm
Cage Material	Steel Retainer
Operating Temperature	-20°C to +120°C
Noise Classification	Low Noise Z1 Group
Design Origin	German Engineering Standards
Package Quantity	10 Pieces per Pack

5 reviews

Anonymous

Apr 10, 2026

Rating: 5/5

Perfect Fit for 3D Printer

Exactly what I needed for my 3D printer upgrade. The 8mm inner diameter fit perfectly on the shaft.

Anonymous

Mar 28, 2026

Rating: 5/5

Durable and Reliable

Been using for 3 months in a small machinery project. No signs of wear yet. Highly recommend.

Anonymous

Mar 04, 2026

Rating: 4/5

Good Value for Money

Quality is good for the price. Shipping took a bit longer than expected but the product itself is solid.

Anonymous

Feb 21, 2026

Rating: 5/5

High Speed Ready

Spins very fast without overheating. I use them in high RPM applications and they hold up well.

Anonymous

Jan 21, 2026

Rating: 5/5

Smooth Operation for Drones

Used these for my drone motors and the difference is night and day. Very smooth spinning with minimal friction.

5 FAQ

Q: Are these bearings made of stainless steel?

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

Q: Can I re-lubricate these bearings later?

A: Since these have ZZ metal shields, re-lubrication is difficult. We recommend replacing them when grease degrades.

Q: What is the maximum RPM for the 10mm size?

A: The maximum RPM varies by load, but they are rated for high-speed applications up to 30000 RPM under light load.

Q: What is the return policy if the size is wrong?

A: We offer a 30-day return policy for unused items in original packaging.

Q: Do you offer bulk discounts for over 50 packs?

A: Yes, please contact our sales team directly for bulk pricing options on large orders.

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