Классификация: Увенчанные и плоские ходовые ролики  904 подшипников

	Номер	Производитель	Внутренний	Наружний	Ширина
	CYR 3-1/2 S	Osborn Load Runners	28.58 mm	88.9 mm	52.39 mm
	PWTR20-2RS	INA (Schaeffler)	20 mm	47 mm	24 mm
	YR-3-1/2-X	Smith Bearing Company	28.58 mm	88.9 mm	52.39 mm
	YCR-14	Koyo NRB	6.35 mm	22.23 mm	12.7 mm
	CYR 1-1/8	Osborn Load Runners	7.93 mm	28.58 mm	17.46 mm
	YR-1-1/8	Smith Bearing Company	7.94 mm	28.58 mm	17.46 mm
	CYR 1	Osborn Load Runners	7.93 mm	25.4 mm	17.46 mm
	Y28	RBC Bearings	6.35 mm	22.23 mm	12.7 mm
	YR-1	Smith Bearing Company	7.94 mm	25.4 mm	17.46 mm
	CYRD 3 1/4	McGill	25.4 mm	82.55 mm	46.03 mm
	CRBY 3	RBC Bearings	25.4 mm	76.2 mm	46.03 mm
	305706 C-2Z	SKF	30 mm	72 mm	23.8 mm
	SRF80	RBC Bearings	57.15 mm	101.6 mm	31.62 mm
	. CDCY-3.25	PCI Procal Inc	25.4 mm	82.55 mm	44.45 mm
	YCR-56	Koyo NRB	28.58 mm	88.9 mm	52.39 mm
	. YCCF-3.50-S	PCI Procal Inc	28.58 mm	88.9 mm	50.8 mm
	NA 2207.2RS	SKF	35 mm	72 mm	22.7 mm
	PLRY-3-1/4	Osborn Load Runners	25.4 mm	82.55 mm	44.45 mm
	CCYR 3 1/4 S	McGill	25.4 mm	82.55 mm	46.03 mm
	STO12ZZ	Koyo NRB	12 mm	32 mm	16 mm