30pcs/Lot 693ZZ 693 ZZ 3x8x4mm Mini Ball Bearing Miniature High quality Deep Groove R830ZZ bearing | Обустройство дома

30pcs/Lot 693ZZ 693 ZZ 3x8x4mm Mini Ball Bearing Miniature High quality Deep Groove R830ZZ bearing | Обустройство дома

Product Details：

Quality grade: The quality grades of our bearings are ABEC-1, ABEC-3, ABEC-5, etc.

1. ABEC-1: The basic level of the national standard. The dimensional accuracy is less than ±0.05mm, and the speed is less than 500rpm, which is suitable for low-speed and low-requirement environments. Such as: low-speed transmission equipment, casters, baby carriages, toy cars, etc.

2. ABEC-3: National standard P0Z2 level or above. The dimensional accuracy is less than ±0.01mm, the hand feels smooth, the speed is less than 6000rpm, the noise is low, and the service life is long. Suitable for motors, toy models, automobiles, electric tools, pneumatic tools, telecommunications equipment, fitness equipment, sports equipment, etc.

3. ABEC-5: National standard P6 or above. The dimensional accuracy is less than ±0.005mm [can replace imports], the hand feels smooth, the speed is greater than 6000rpm, low noise, and long service life. It is suitable for high-speed motors, high-speed models, instruments, precision equipment, high-end toys and other fields with higher requirements.

Buyers are requested to purchase suitable bearings according to actual needs. If you have any questions, please consult customer service at any time.
For bearings with higher requirements, please consult customer service.