Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | NSK |
| Bearing Type | Miniature Deep Groove Ball Bearing |
| Material | High Carbon Chrome Steel |
| Seal Type | ZZ (Metal Shield) |
| Precision Class | P0 (ABEC-1) |
| Cage Material | Steel |
| Lubrication | Pre-lubricated with Grease |
| Country of Origin | Japan |
| Application | Robotics, Drones, Precision Instruments |
| Package Quantity | 10 Pieces per Pack |
Anonymous
Apr 17, 2026
Rating: 5/5
Smooth Rotation
Very quiet operation. I use them in small electric motors for hobby projects. Spin freely with minimal resistance.
Anonymous
Feb 28, 2026
Rating: 4/5
Good but Pricey
The bearings work excellently and fit perfectly. Only giving 4 stars because the price is a bit higher than local suppliers, but you pay for import quality.
Anonymous
Feb 26, 2026
Rating: 5/5
Perfect Fit for Drone Motors
Used these for upgrading my racing drone motors. The smoothness is noticeable and they handle high RPMs without heating up. Genuine NSK quality.
Anonymous
Feb 18, 2026
Rating: 5/5
Genuine Quality
Verified the markings on the bearings. They are authentic. Very low noise operation compared to generic brands I tried before.
Anonymous
Feb 08, 2026
Rating: 5/5
Bulk Order Success
Ordered multiple packs for our assembly line. Consistency across all units is great. No defects found in the batch.
Q: Is the grease suitable for high temperatures?
A: The pre-lubricated grease is standard industrial grade. For extreme heat applications, we recommend re-lubricating with high-temp grease.
Q: What is the maximum RPM for the 619/5 model?
A: The limiting speed varies by lubrication and load, but generally, this series supports high speeds up to 30,000 RPM under light load.
Q: Are these bearings authentic NSK products?
A: Yes, all our bearings are imported directly from authorized NSK distributors and are 100% genuine.
Q: Can I purchase single pieces instead of a pack?
A: Currently, these miniature bearings are sold in packs of 10 to ensure safe packaging and handling.
Q: What is the shelf life of these bearings?
A: If stored in a cool, dry place in original packaging, the shelf life is typically 5 years from the manufacturing date.
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