R2-5ZZ 3.175×7.938×3.571mm high Precision Inch size Miniature Ball Bearing

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R2-5ZZ 3.175x7.938x3.571mm high Precision Inch size Miniature Ball Bearing

Deep groove ball bearings are the most common type of rolling bearings.
The deep groove ball bearing of deep groove ball bearings is made up of an outer ring, an inner ring, a set of steel balls and a group of retaining structures. There are two types of deep groove ball bearings, single and double row, deep groove ball structure is also divided into two kinds of sealing and opening, the open type is the bearing without sealing structure, sealed type deep groove ball is divided into dust proof seal and oil proof seal. The material of the dust-proof sealing cover is steel stamping, and it only plays a simple way to prevent dust from entering the bearing raceway. The oil proof type is the contact type oil seal, which can effectively prevent the grease overflow in the bearing.

Brand:	TFL	Product class:	deep groove ball bearing
Bearing No.:	R2-5ZZ	Item colour:	natural colour
Inside Diameter:(mm)	3.175	Outside Diameter:(mm)	7.938
Width:(mm)	3.571	Weight:(g)	0.74
Bearing inner ring material:	stainless steel	Bearing outer ring material:	stainless steel
Rolling element materials:	stainless steel	Seal style:	zz
Ball No:	6	Ball diameter:(mm)	1.588
Bearing accuracy class:	ABEC-1, ABEC-3, ABEC-5, ABEC-7, ABEC-9

Bearing With Seals		d (mm)	D (mm)	B (mm)
685ZZ	685-2RS	5	11	3
695ZZ	695-2RS	5	13	4
686ZZ	686-2RS	6	13	3.5
696ZZ	696-2RS	6	15	5
626ZZ	626-2RS	6	19	6
687ZZ	687-2RS	7	14	3.5
697ZZ	697-2RS	7	17	5
627ZZ	627-2RS	7	22	7
688ZZ	688-2RS	8	16	4
698ZZ	698-2RS	8	19	6
608ZZ	608-2RS	8	22	7
628ZZ	628-2RS	8	24	8
689ZZ	689-2RS	9	17	4
699ZZ	699-2RS	9	20	6
629ZZ	629-2RS	9	26	8