One of the world's top quality bearings (Japanese brand), highly recommended by the best F2D engine's mechanics and tuners. The same bearing as used in FORA and MS motors. The bearing comes with larger balls size and able to carry more load than a regular bearing.

To be used as rear bearing for the following F2D engines: Profi, FORA, MS, ZALP-K, AKM, Buran, Zorro and other motors and applications



Specifications
Brand: SPB (Saporro Precision Bearings)
Type of bearing: OPEN
Tolerance (precision): ABEC-3 (P6)
Balls and rings material: Chrome steel alloy
Cage (separator) material: Fiberglass re-enforced polyamide
Ball clearance: C3
Raceway: offset