Main Rotor Holder bearings (8x14x4)

ABEC-3 Bearings (8x14x4) MR148ZZ (4pcs) - T-REX 600

High Quality ABEC-3 bearings for T-REX 600

Replace stock one-way bearings by these high quality ABEC-3 bearings with much higher tolerance and smoothness and feel a much difference in response.

Specifications:

• Bearings MR148ZZ (8x14x4mm)
• Quantity: 4 pieces
• Use in T-REX 600 helicopters main rotor holders

If it doesn't specify which ABEC rating, it's likely that's it's ABEC-1.  ABEC-3 bearings are much tighter in tolerance than ABEC-1 bearings, thus provide much higher accuracy and smoothness.