This is a replacement Align Main Shaft Bearing ...
Block, intended for use with the T-Rex 300X electric helicopter kit. Includes: (2) 300 Main Shaft Bearing Block (2) Bearing MR84ZZ x 2 (4x8x3mm) (2) Socket Screw x 8 (M2x4mm) (2) Socket ...
Bearing Support Set, and is intended for use with the SAB Goblin 500 helicopter. Includes: (1) Aluminum Main Shaft Bearing Support (1) ABEC-5 Bearing 10x19x5mm (3) DIN 12.9 Socket Head Cap 3x10mm ...