Miniature and small size deep groove ball bearings

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MR series of miniature deep groove ball bearing

miniature deep groove ball bearing

Small size of deep groove ball bearing with zz seals

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MR series of miniature deep groove ball bearing

Available base models: MR series
Available machining dimensions: Inner diameter≥4 mm / Outer diameter≤16 mm
Available product accuracy grades: P0, P6, P5, Z1V1, Z2V2
Available retainer types: Machined Brass Retainer / Steel Sheet Stamped Retainer
Available product structure: Open Type / With Dust Cover Type (Z , 2Z) / With Seal Ring Type (RS , 2RS

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MR series of miniature deep groove ball bearing

Available base models: MR series
Available machining dimensions: Inner diameter≥4 mm / Outer diameter≤16 mm
Available product accuracy grades: P0, P6, P5, Z1V1, Z2V2
Available retainer types: Machined Brass Retainer / Steel Sheet Stamped Retainer
Available product structure: Open Type / With Dust Cover Type (Z , 2Z) / With Seal Ring Type (RS , 2RS

Inquiry Now

Product Database

Product Detail

Materials and Accuracy

Material

JRZC Bearing ring and steel ball are adopted with GCr15 to be made.

The cage generally adopts 0.8F cold rolling steel strap. Punching to be made, also having plastics, phenol Aldehyde, and preserving shelf.

Accuracy

According to the international standard, the Accuracy of JRZC Bearing can be divided into five grades

Country	Standard	Accuracy Grade
China	Gb307.1	0	6	5	4	2
International Standard Organization	ISO	0	6	5	4	2
Sweden	SKF	P0	P6	P5	P4	P2
Germany	DIN	P0	P6	P5	P4	P2
Japan	JIS	P0	P6	P5	P4	P2
-	ANSI	ABEC1		ABEC5	ABEC7	ABEC9

Vibration Value：

Deep Groove Ball Bearing Accelerating Vibration Value(m/s).
Bore Diameter d/mm	Single Bearing Vibration speed Grade can not be over the following Values
	Diameter Series (0)				Diameter Series (2)				Diameter Series(3)
	Z	Z1	Z2	Z3	Z	Z1	Z2	Z3	Z	Z1	Z2	Z3
3	35	34	32	28	36	35	32	30	37	36	33	31
4	35	34	32	28	36	35	32	30	37	36	33	31
5	37	36	34	30	38	37	34	32	39	37	35	33
6	37	36	34	30	38	37	34	32	39	37	35	33
7	39	38	35	31	40	38	36	34	-	-	-	-
8	39	38	35	31	40	38	36	34	-	-	-	-
9	41	40	36	32	42	40	-	35	-	-	-	-

Bore Diameter d/mm	V0			V1			V2			V3			V4
Bore Diameter d/mm	Low Frequency	Medium Frequency	High Frequency	Low Frequency	Medium Frequency	High Frequency	Low Frequency	Medium Frequency	High Frequency	Low Frequency	Medium Frequency	High Frequency	Low Frequency	Medium Frequency	High Frequency
3	80	44	44	60	35	32	48	26	22	31	16	15	28	10	10
4	80	44	44	60	35	32	48	26	22	31	16	15	28	10	10
5	110	72	60	74	48	40	58	36	30	35	21	18	32	11	11
6	110	72	60	74	48	40	58	36	30	35	21	18	32	11	11
7	130	96	80	92	66	54	72	48	40	44	28	24	38	12	12
8	130	96	80	92	66	54	72	48	40	44	28	24	38	12	12
9	130	96	80	92	66	54	72	48	40	44	28	24	38	12	12

Rust resisting

Bearing should normally be put under the p protected condition then it is to be stored and preserved. The longest period is one year. If there is half a year over the preservation period . At the time before the expiring date of rust resisting you have to check it over according to the stipulation to berust resisted again so as to keep the bearing not rusty.

Model

Beanng No.	Bore d mmin		O.D D mm in		B mm in.				Chamfer r min mm	(KN) Load Ra-ng
Beanng No.	Bore d mmin		O.D D mm in		open		with seals		Chamfer r min mm	Dynamic Cr	Static Cor
MR84	4	0.1575	8	0.3150	2	0.0787	3	0.1181	0.1	181	78
MR85	5	0.1969	8	0.3150	2	0.0787	2.5	0.0984	0.008	181	78
MR95	5	0.1969	9	0.3543	2.5	0.0984	3	0.1181	0.15	332	142
MR104	4	0.1575	10	0.3937	3	0.1181	4	0.1575	0.15	715	265
MR105	5	0.1969	10	0.3937	3	0.1181	4	0.1575	0.15	460	196
MR106	6	0.2362	10	0.3937	2.5	0.0984	3	0.1181	0.1	460	196
MR115	5	0.1969	11	0.4331	4	0.1575	4	0.1575	0.15	735	284
MR117	7	0.2362	11	0.4331	2.5	0.0984	3	0.1181	0.1	450	206
MR126	6	0.3150	12	0.4724	3	0.1181	4	0.1575	0.15	774	329
MR128	8	0.2756	12	0.4724	2.5	0.0984	3.5	0.1378	0.1	510	255
MR137	7	0.3150	13	0.5118	3	0.1181	4	0.1575	0.15	715	265
MR148	8	0.2362	14	0.5512	3.5	0.1378	4	0.1575	0.15	715	265
MR166	6	0.2756	16	0.6299	6	0.2362	6	0.2362	0.15	1470	600