Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	KIF
Country of Origin	Japan
Precision Grade	P5 (ABEC 5)
Material	High Carbon Chrome Steel
Shield Type	ZZ (Double Metal Shield)
Cage Material	Steel Ribbon
Lubrication	Pre-greased with Low Noise Grease
Noise Level	Z1 Group
Hardness	60-64 HRC
Package Quantity	10 Pieces per Pack

5 reviews

Anonymous

Apr 17, 2026

Rating: 5/5

High precision confirmed

Used these for a small robotics project. The tolerances are tight and there is no lateral play. Highly recommend for precision applications.

Anonymous

Apr 14, 2026

Rating: 5/5

Perfect for my RC car upgrade

These bearings are incredibly smooth. I noticed an immediate difference in wheel spin and overall efficiency. Genuine KIF quality as described.

Anonymous

Mar 29, 2026

Rating: 4/5

Good quality but pricey

The bearings work great and seem very durable. Only giving 4 stars because they are a bit more expensive than domestic alternatives, but you get what you pay for.

Anonymous

Mar 13, 2026

Rating: 5/5

Fast shipping and genuine product

Arrived quickly and were properly sealed in anti-corrosion paper. Markings on the bearing match the KIF standards. Will buy again.

Anonymous

Mar 07, 2026

Rating: 5/5

Smooth operation

Very low friction. I lubricated them further for my specific use case, but out of the box they were ready to install. Packaging protected them well.

5 FAQ

Q: Can I clean these with solvent if needed?

A: It is not recommended as it will remove the factory lubrication. If cleaned, you must re-lubricate immediately.

Q: Is there a warranty included?

A: Yes, all KIF bearings come with a 6-month manufacturer warranty against defects.

Q: Are these bearings compatible with standard 628 series housings?

A: Yes, these follow standard ISO dimensions for the 628 series miniature bearings.

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

A: Yes, please contact our sales department directly for volume discount inquiries.

Q: What type of grease is pre-applied?

A: We use a proprietary low-noise lithium-based grease suitable for high-speed miniature applications.

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