Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	Chrome Steel GCr15
Country of Origin	Japan
Precision Grade	ABEC-7
Seal Type	Metal Shield (ZZ)
Inner Diameter Options	1.5mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm
Cage Material	Pressed Steel
Lubrication	High-Speed Grease
Maximum RPM	20,000 - 50,000 (Size Dependent)
Package Quantity	10 Pieces per Pack
Warranty	6 Months Manufacturer Warranty

5 reviews

Anonymous

Apr 07, 2026

Rating: 5/5

Perfect for RC Motors

Used these on my drone build. Smooth rotation and very quiet operation even at high speeds.

Anonymous

Mar 29, 2026

Rating: 4/5

Good Quality

Slightly tighter fit than expected but the quality is undeniable. Good for precision instruments.

Anonymous

Mar 28, 2026

Rating: 5/5

High Speed Performance

Handles high RPMs without heating up. Exactly what I needed for my spindle project.

Anonymous

Mar 07, 2026

Rating: 4/5

Value for Money

Good price for imported bearings. One had slight grease excess but cleaned up easily.

Anonymous

Feb 19, 2026

Rating: 5/5

Exact Specifications

Measured exactly 5mm inner diameter with calipers. Great precision and consistent sizing.

5 FAQ

Q: Can I use this in water?

A: Not recommended, standard grease washes out. Please look for our waterproof series.

Q: Do you offer bulk pricing?

A: Yes, contact support for orders over 100 packs for discounted rates.

Q: Do you have 2.5mm size available?

A: Currently we stock 1.5, 2, 3mm and up. Please check back later for intermediate sizes.

Q: What is the outer diameter for 5mm inner?

A: Depends on model, usually 16mm for 625 series. Please check the specific model chart.

Q: Is this stainless steel?

A: No, this is Chrome Steel for hardness and durability. Stainless models are sold separately.

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