Feature(may vary by option.)

●1. Low friction, reduce energy loss and extend life.
●2. Easy installation and replacement, efficient operation and high durability.
●3. Widely used in a variety of small mechanical applications, including skateboard wheels, in-line skates and electric motors.

[2Pcs 15x30x7]

[2Pcs 15x30x9]

Description

1. Long service life, smooth surface polishing, high efficiency, low noise.
2. With uniform hardness and wear resistance, high temperature resistance.
3. Bearing steel, durable, resistant to heavy deformation.
Inner diameter 15mm
Outer diameter 30mm
Thickness 7mm
Material: Chrome steel GCR15 with Rubber seal
.15x30x9
Inner diameter 15mm
Outer diameter 30mm
Thickness 9mm
Material: Chrome steel GCR15 with Steel seal