Pack age included: 10 PCS
Features:
1. Deep groove ball bearings.
2. Made of carbon steel.
3. Easy to install and replace.
4. Durability and insulation.
5. Less friction, faster speed.

Specifications:
Model: Bearings
Material: carbon steel
Size:
604ZZ 4x13x4mm

608ZZ 8x22 x7mm

608RS 8x22x7mm

623ZZ 3x10x4mm

624ZZ 4x13x5mm

625ZZ 5x16x5mm

683ZZ 3x7x3mm

685ZZ 5x11x5mm

688ZZ 8x16x5mm

693ZZ 3x8x4mm

There may be small size differences(tolerance scope 0.01-0.06mm).which is a normal acceptable phenomenon.
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