Anonymous
Mar 21, 2026
Rating: 5/5
Perfect fit for my motor project
Ordered the 608 ZZ bearings for a electric motor rebuild. They fit snugly and spin very smoothly. No noise at all under load. Great value for the price.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Chrome Steel (GCr15) |
| Seal Type | ZZ (Metal Shield), RS/2RS (Rubber Seal) |
| Precision Rating | ABEC-1, ABEC-3, ABEC-5, ABEC-7 |
| Cage Material | Steel or Nylon Reinforced |
| Lubrication | Pre-lubricated with High-Grade Grease |
| Inner Diameter Range | 3mm (602) to 45mm (609) |
| Outer Diameter Range | 10mm (602) to 80mm (609) |
| Width Range | 4mm (602) to 16mm (609) |
| Common Applications | Electric Motors, Robotics, Drones, Skateboards |
| Package Quantity | 10 Pieces per Pack (Select Size) |
Anonymous
Mar 21, 2026
Rating: 5/5
Perfect fit for my motor project
Ordered the 608 ZZ bearings for a electric motor rebuild. They fit snugly and spin very smoothly. No noise at all under load. Great value for the price.
Anonymous
Feb 14, 2026
Rating: 5/5
Smooth rotation for drone motors
Bought the 605 ZZ for custom drone builds. The ABEC-7 precision is noticeable. Spins freely and balances well. Will order again.
Anonymous
Jan 29, 2026
Rating: 5/5
Reliable for robotic arms
Using these 604 RS bearings in a small robotic arm. They handle the lateral load well and the rubber seals keep dust out effectively. Highly recommend.
Anonymous
Jan 28, 2026
Rating: 4/5
Good quality, slight grease smell
The bearings are well made and precise. There was a slight smell from the grease upon opening, but it dissipated after running them for a few minutes. Overall satisfied.
Anonymous
Jan 27, 2026
Rating: 4/5
Standard industrial quality
These meet standard specifications for deep-groove ball bearings. Dimensions were accurate when measured with calipers. Good for general machinery maintenance.
Q: Are these bearings suitable for high-speed applications?
A: Yes, depending on the precision rating selected. ABEC-5 and ABEC-7 are recommended for higher RPM applications such as drones or spindles.
Q: Is the inner diameter of the 608 bearing exactly 8mm?
A: Yes, the 608 series specifies an 8mm inner diameter, 22mm outer diameter, and 7mm width according to ISO standards.
Q: Can I purchase these in bulk quantities?
A: Yes, we offer bulk pricing for orders over 50 packs. Please contact our sales team through the store messaging system for a quote.
Q: Do these come pre-lubricated or do I need to add oil?
A: All bearings come pre-lubricated with high-grade grease suitable for general use. Additional lubrication is not required immediately.
Q: What is the difference between ZZ and 2RS seals?
A: ZZ denotes metal shields on both sides, offering less friction but less protection. 2RS denotes rubber seals on both sides, providing better protection against dust and moisture.