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VAFEM (Shang Hai) Bearing Technology Co.,Ltd

MR Series

MR Series Miniature Bearings

Our MR Series miniature bearings are designed to meet the high demands of precision equipment such as small motors, instruments, and industrial machinery. These bearings are characterized by their small size, high precision, and excellent performance under high speed and high temperature conditions.

Features:

- Minimal friction and excellent rotational performance

- High precision and low noise

- High load capacity and long service life

- Dust and water resistance to ensure reliable operation in harsh environments

- Available in various sizes and configurations to meet different application needs

Applications:

- Small motors and electric tools

- Instruments and meters

- Industrial machinery, including automation, robotics, and medical equipment

- Automotive and aerospace industries

Technical specifications:

- Size range: 1-12mm inner diameter

- Material: high-quality chrome steel or stainless steel

- Shield: open or sealed options available

- Lubrication: pre-lubricated with high-performance grease

- Operating temperature range: -20℃ to +120℃

Our MR Series miniature bearings are manufactured to strict quality standards and undergo rigorous testing to ensure consistent performance and reliability. Contact us today to learn more or to place an order.

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Verification:

Selezionare	Inchiesta	Designation	Principal dimensions（mm）	Basic load ratings(N)	Basic load ratings{kgf}	Speed ratings(rpm)	Abutment and fillet dimensions (mm)	Weight(g)
With shiled	Open type	With seal VV	With seal DD	d	D	B	B1	min	Cr	Cor	Cr	Cor	Grease	Oil	da(min)	db(max)	Da(Max)	Db(min)	ra(max)	rb(max)	Open type	With shiled
ZZ	D·D	Z
		MR31	-	-	-	1	3	15	-	0.05	80	23	8	2.5	130000	-	150000	1.4	-	2.6	-	0.05	-	0.04	-
		MR41X	MR41XZZ	-	-	1.2	4	1.8	2.5	0.1	138	35	14	3.5	110000	-	130000	2	1.9	3.2	3.5	0.1	0.1	0.1	0.14
		MR52B	MR52BZZ	-	-	2	5	2	25	0.1	187	58	19	6	85000	-	100000	2.8	2.7	4.2	4.4	0.1	0.1	0.16	0.23
		MR62	MR62ZZ	-	-	2	6	25	2.5	0.15	330	98	34	10	75000	-	90000	3.2	3	4.8	5.2	0.15	0.15	0.3	0.29
		MR72	MR72ZZ	-	-	2	7	25	3	0.15	385	127	39	13	63000	-	75000	3.2	3.8	5.8	6.2	0.15	0.15	0.45	0.49
		MR82X	-	-	-	2.5	8	25	-	2	560	179	57	18	60000	-	67000	4.1	-	6.4	-	0.2	-	0.56	-
		MR63	MR63ZZ	-	-	3	6	2	2.5	0.1	208	74	21	7.5	71000	-	80000	3.8	3.7	5.2	5.4	0.1	0.1	0.2	0.27
		MR83	-	-	-	3	8	2.5	-	0.15	560	179	57	18	60000	-	67000	4.2	-	6.8	-	0.15	-	0.54	-
		MR93	MR93ZZ	-	-	3	9	25	4	0.2	570	187	58	19	56000	-	67000	4.6	4.3	7.4	7.9	0.2	0.15	0.73	1.18
		MR74	-	-	-	4	7	2	-	0.1	310	115	32	12	60000	-	67000	4.8	-	6.2	-	0.1	-	0.22	-
		-	MR74ZZ	-	-	4	7	-	25	-	255	107	26	11	60000	-	71000	-	4.8	-	6.3	-	0.1	-	0.29
		MR84	MR84ZZ	-	-	4	8	2	3	0.15	395	139	40	14	56000	-	67000	5.2	5	6.8	7.4	0.15	0.1	0.36	0.56
		MR104B	MR104BZZ	-	-	4	10	3	4	0.2	710	270	73	28	50000	-	60000	5.6	5.9	8.4	8.8	0.2	0.15	1.04	1.42
		MR85	-	-	-	5	8	2	-	0.1	310	120	31	12	53000	-	63000	5.8	-	7.2	-	0.1	-	0.26	-
		-	MR85ZZ	-	-	5	8	-	2.5	-	278	131	28	13	53000	-	63000	-	5.8	-	7.4	-	0.1	-	0.34
		MR95	MR95ZZ1	-	-	5	9	2.5	3	0.15	430	168	44	17	50000	-	60000	6.2	6	7.8	8.2	0.15	0.15	0.5	0.58
		MR105	MR105ZZ	-	-	5	10	3	4	0.15	430	168	44	17	50000	-	60000	6.2	6	8.8	8.4	0.15	0.15	0.95	1.29
		-	MR115ZZ	MR115VV	-	5	11	-	4	-	715	276	73	28	48000	-	56000	-	6.3	-	9.8	-	0.15	-	1.49
		MR106	MR106ZZ1	-	-	6	10	2.5	3	0.15	495	218	51	22	45000	-	53000	7.2	7	8.8	9.3	0.15	0.1	0.56	0.68
		MR126	MR126ZZ	-	MR126DD	6	12	3	4	0.2	715	292	73	30	43000	40000	50000	7.6	7.2	10.4	10.9	0.2	0.15	1.27	1.74
		MR117	MR117ZZ	-	-	7	11	2.5	3	0.15	455	201	47	21	43000	-	50000	8.2	8	9.8	10.5	0.15	0.1	0.62	0.72
		MR137	MR137ZZ	-	-	7	13	3	4	0.2	540	276	55	28	40000	-	48000	8.6	9	11.4	11.6	0.2	0.15	1.58	2.02
		MR128	MR128ZZ1	-	-	8	12	2.5	3.5	0.15	545	274	56	28	40000	-	48000	9.2	9	10.8	11.3	0.15	0.1	0.71	0.97
		MR148	MR148ZZ	MR148VV	MR148DD	8	14	3.5	4	0.2	820	385	83	39	38000	32000	45000	9.6	9.2	12.4	12.8	0.2	0.15	1.86	2.16

MR Series

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