Notes: 129908-77730 BEARING, BALL RR is original YANMAR product. 129908-77730 BEARING, BALL RR5 is commonly used in transmissions/axles/engines 3TNV76-KAZ, 4TNV88-BKNKR2, 4TNV84T-ZMTR, 4TNV86CHT-MAW, 4TNV86CT-DVF, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849