Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	VNK
Series	MR Series Miniature
Material	Chrome Steel GCr15
Precision Grade	ABEC-7 / P4
Seal Type	Metal Shield (ZZ)
Cage Material	Steel
Lubrication	High-Speed Grease
Hardness	HRC 60-62
Country of Origin	Japan
Package Quantity	10 Pieces per Pack

5 reviews

Anonymous

Mar 14, 2026

Rating: 4/5

Fast shipping and well packed

Bearings arrived quickly and were well protected against moisture. Performance is solid, though I wish the packaging included more technical sheets.

Anonymous

Feb 28, 2026

Rating: 4/5

Good precision, slightly pricey

We use these for small assembly machinery. The tolerance is excellent and they fit perfectly. Only giving 4 stars because bulk pricing could be better.

Anonymous

Feb 13, 2026

Rating: 5/5

Exact fit for MR85

Ordered the 5mm bore size. Fits my RC car wheels perfectly without any wiggle room. Highly recommend for precision models.

Anonymous

Feb 06, 2026

Rating: 5/5

Genuine Japanese quality

You can feel the difference in build quality. The wire-cut precision is evident. No noise or vibration during operation.

Anonymous

Jan 26, 2026

Rating: 5/5

Perfect for my racing drone

These bearings are incredibly smooth. I noticed a significant improvement in motor spin-down time compared to my previous brand. High quality for the price.

5 FAQ

Q: What is the exact tolerance for the 3mm bore size?

A: The bearings adhere to ABEC-7 standards, ensuring tight tolerance suitable for precision instruments. Please refer to the technical diagram for specific micron measurements.

Q: Can I use these in wet environments?

A: These feature metal shields (ZZ) which offer some protection, but they are not fully sealed against water. For wet environments, we recommend our 2RS rubber sealed series.

Q: Are these bearings suitable for high RPM applications?

A: Yes, the MR Series is designed for high-speed precision applications, typically supporting high RPMs common in drones and small machinery.

Q: Is the origin verified as Japan?

A: Yes, these are imported directly from Japan. Each package includes documentation verifying the country of origin.

Q: Do these come pre-lubricated?

A: Yes, all VNK MR Series bearings come pre-lubricated with high-speed grease suitable for most standard operating conditions.

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