A
Anonymous
Apr 01, 2026
Rating: 4/5
Good quality
Works well but shipping took a bit long.
Description
Japanese Imported Bearings 603 Micro, 604 Mini, 605 Small, Complete Range 606 High-Speed, 607 Motor, 608/609
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand Origin | Japan |
| Material | Chrome Steel GCr15 |
| Seal Type | ZZ (Metal) / 2RS (Rubber) |
| Precision Class | ABEC-1 to ABEC-7 |
| Cage Material | Steel Ribbon |
| Lubrication | Pre-greased High-Speed |
| Inner Diameter | 3mm - 9mm |
| Outer Diameter | 10mm - 24mm |
| Width | 4mm - 7mm |
| Application | Motors, Drones, Robotics |
5 reviews
A
Anonymous
Feb 02, 2026
Rating: 5/5
Great bulk buy
Bought the set for various projects. All good.
A
Anonymous
Feb 01, 2026
Rating: 5/5
Exact sizing
Measured perfectly with calipers. Very accurate.
A
Anonymous
Jan 28, 2026
Rating: 5/5
Perfect for my drone
Smooth operation and very quiet. Genuine feel.
A
Anonymous
Jan 22, 2026
Rating: 5/5
High speed confirmed
Using in a high RPM motor, no heat issues.
5 FAQ
Q: Do I need to add more grease?
A: They come pre-greased, but you can add more for specific uses.
Q: Can I use 2RS in high heat?
A: Rubber seals have lower heat tolerance than metal ZZ shields.
Q: Are these genuine Japanese brands?
A: Yes, these are imported directly from Japanese manufacturers.
Q: What is the max RPM for size 608?
A: Depending on lubrication, typically up to 30,000 RPM.
Q: Is there a warranty?
A: Yes, we offer a 6-month warranty against defects.
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