Product families（Materials by component）

Category		Outer race					Inner race				Retainer		Ball
		Plastic	Stainless steel	Steel	Ceramic	Rubber	Plastic	Stainless steel	Steel	Ceramic	Plastic	Stainless steel	Plastic	Stainless steel	Steel	Grease
Standard	DR-series	●							●		●				●	●
	DO-series	●							●		●				●	●
	DU-series	●							●		●				●	●
	DV-series	●							●		●				●	●
	DH-series	●							●		●				●	●
	DF-series	●							●		●				●	●
High speed rotation	DT-series	●							●		●				●	●
Plastic roller	DL-series	●							●
Conductivity	ER-series	●							●		●				●	●
Metal bearing insert	ID-series	●							●		●				●	●
	IDS-series	●							●		●				●	●
	IN-series	●							●		●				●	●
	A-series			●					●		●					●
High toughness	TAS-series			●					●		●					●
Anti-rust	DR-S-series	●						●				●		●		●
	S-series		●					●				●		●
Chemical resistance	PE-series	●					●				●		●			●
Chemical and heat resistance	PK-series	●					●						●			●
Chemical resistance・Non-magnetism	C-series				●					●	●
Rubber	UT-series					●			●							●
Door roller	Door roller-series	●

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