Description
Reviews
| 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 |
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.
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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