Miniature Bearings

Miniature deep groove ball bearings refer to metric series, with an outer diameter of less than 9mm; inch series, 605 606 606-RS 606-2RS 607 607-Z 607-RZ 607-2RS 607-2RZ 608 608-Z 608-2Z 608-RS 608-RZ 608-2RS 608-2RZ 608-2RZ/C3LHT 609 609-Z 609-2Z 623 624 625 626 628 629 634 635 638 609-RS MR52zz MR62zz MR72zz MR82X MR63zz MR83zz MR93zz MR74zz MR84zz MR104zz MR85zz MR95zz MR105zz MR115zz MR106zz MR126zz MR117zz MR137zz MR128zz MR148zz R1212 2RS R8 2RS RLS4 2RS RMS4 2RS R1458 2RS R10 2RS RLS5 2RS RMS5 2RS R1634 2RS R12 2RS RLS6 2RS RMS6 2RS R14 2RS RLS7 2RS RMS7 2RS R16 2RS RLS8 2RS RMS8 2RS R1212ZZ R8ZZ RLS4ZZ RMS4ZZ R1458ZZ R10ZZ RLS5ZZ RMS5ZZ R1634ZZ R12ZZ RLS6ZZ RMS6ZZ R14ZZ RLS7ZZ RMS7ZZ R16ZZ RLS8ZZ RMS8ZZ R18ZZ RLS9ZZ RMS9ZZ R20ZZ RLS10ZZ RMS10ZZ R22ZZ RLS11ZZ R24ZZ RLS12ZZ R1212 2RS R8 2RS RLS4 2RS RMS4 2RS R1458 2RS R10 2RS RLS5 2RS RMS5 2RS R1634 2RS R12 2RS RLS6 2RS RMS6 2RS R14 2RS RLS7 2RS RMS7 2RS R16 2RS RLS8 2RS RMS8 2RS R18 2RS RLS9 2RS RMS9 2RS R20 2RS RLS10 2RS RMS10 2RS R22 2RS RLS11 2RS R24 2RS RLS12 2RS DDRI-2 DDRI-3 DDRI-4 DDRI-3332 DDRI-5 DDRI-418 DDRI-518 DDRI-618 DDR-2 DDRI-5532 DDRI-5632 DDRI-6632 DDR-3 DDRI-614 DDRI-814 DDR-4 DDRI-1214 DDRI-8516 DDRI-1038 DDRI-1438 DDRI-1212 DDRI-1812 DDRI-1458 DDRI-1634 F602zz F603zz F604zz F605zz F623zz F624zz F625zz F635zz F682zz F683zz F685zz F686zz F687zz F692zz F693zz F694zz F695zz F696zz DDRF-720ZZ DDRF-1240ZZ DDRF-1450ZZ DDRF-1030ZZ DDRF-1340ZZ DDLF-520ZZ DDLF-730ZZ DDLF-1150ZZ DDLF-1360ZZ DDLF-1470ZZ DDRF-620ZZ DDRF-830ZZ DDRF-1140ZZ DDRF-1560ZZ MF52zz MF62zz MF63zz MF72zz MF74zz MF82ZZ MF84zz MF85zz MF93zz MF95zz MF104zz MF105zz MF106zz MF115zz MF117zz MF126zz MF137zz DDLF-520WO2ZZ DDLF-630ZZ DDRF-720Y52ZZ DDLF-740ZZ DDLF-840ZZ DDLR850ZZ DDRF-930Y52ZZ DDLF-950ZZ DDLF-1040ZZ DDLF-1050ZZ DDLF-1060ZZ DDLF-1170ZZ DDLF-1260ZZ DDLF-1370ZZ

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Deep Groove Ball Bearings

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Miniature deep groove ball bearings refer to metric series, with an outer diameter of less than 9mm; inch series, of various types of bearings with an outer diameter of less than 9.525mm, the main materials are carbon steel, bearing steel, stainless steel, plastic, ceramics, etc., of which the smallest inner diameter can be achieved 0.6mm, generally with an inner diameter of 1mm. Miniature deep groove balls are suitable for all kinds of industrial equipment, small rotary motors and other fields with high speed and low noise.

6xx Series Bearings

Model Number	d/mm	D/mm	B/mm
605	5	14	5
606	6	17	6
606-RS	6	17	6
606-2RS	6	17	6
607	7	19	6
607-Z	7	19	6
607-RZ	7	19	6
607-2RS	7	19	6
607-2RZ	7	19	6
608	8	22	7
608-Z	8	22	7
608-2Z	8	22	7
608-RS	8	22	7
608-RZ	8	22	7
608-2RS	8	22	7
608-2RZ	8	22	7
608-2RZ/C3LHT	8	22	7
609	9	24	7
609-Z	9	24	7
609-2Z	9	24	7
609-RS	9	24	7

Bearing Number	d/mm	D/mm	B/mm
623	3	10	4
624	4	13	5
625	5	16	5
626	6	19	6
628	8	24	8
629	9	26	8
634	4	16	5
635	5	19	6
638	9	17	4

MR Series

Bearing Number	d mm	D mm	B mm
MR52zz	2	5	2
MR62zz	2	6	2.5
MR72zz	2	7	2.8
MR82X	2	8	2.5
MR63zz	3	6	2
MR83zz	3	8	2.5
MR93zz	3	9	2.5
MR74zz	4	7	2
MR84zz	4	8	2
MR104zz	4	10	3
MR85zz	5	8	2
MR95zz	5	9	2.5
MR105zz	5	10	3
MR115zz	5	11	-
MR106zz	6	10	2.5
MR126zz	6	12	3
MR117zz	7	11	2.5
MR137zz	7	13	3
MR128zz	8	12	2.5
MR148zz	8	14	3.5

R Series

Bearing Number	d mm	D mm	B mm
R1212 2RS	12.7	19.05	3.967
R8 2RS		28.575	7.938
RLS4 2RS		33.338	9.525
RMS4 2RS		41.275	15.88
R1458 2RS	15.875	22.225	3.967
R10 2RS		34.925	8.733
RLS5 2RS		39.688	11.11
RMS5 2RS		46.038	15.88
R1634 2RS	19.05	25.4	3.967
R12 2RS		41.275	11.11
RLS6 2RS		47.625	14.29
RMS6 2RS		50.8	17.46
R14 2RS	22.225	47.625	12.7
RLS7 2RS		50.8	14.29
RMS7 2RS		57.15	17.46
R16 2RS	25.4	50.8	12.7
RLS8 2RS		57.15	15.88
RMS8 2RS		63.5	19.05

Bearing Number		d		D		B
steel shields	rubber seals	mm	in	mm	in	mm
		12.70	0.500
R1212ZZ	R1212 2RS			19.05	3/4"	3.967
R8ZZ	R8 2RS			28.575	1-1/8"	7.938
RLS4ZZ	RLS4 2RS			33.338	1-5/16"	9.525
RMS4ZZ	RMS4 2RS			41.275	1-5/8"	15.88
R1458ZZ	R1458 2RS	15.875	5/8"	22.225	7/8"	3.967
R10ZZ	R10 2RS			34.925	1-3/8"	8.733
RLS5ZZ	RLS5 2RS			39.688	1-9/16"	11.11
RMS5ZZ	RMS5 2RS			46.038	1-13/16"	15.88
R1634ZZ	R1634 2RS	19.05	3/4"	25.4	1"	3.967
R12ZZ	R12 2RS			41.275	1-5/8"	11.11
RLS6ZZ	RLS6 2RS			47.625	1-7/8"	14.29
RMS6ZZ	RMS6 2RS			50.8	2"	17.46
R14ZZ	R14 2RS	22.225	7/8"	47.625	1-7/8"	12.7
RLS7ZZ	RLS7 2RS			50.8	2"	14.29
RMS7ZZ	RMS7 2RS			57.15	2-1/4"	17.46
R16ZZ	R16 2RS	25.4	1"	50.8	2"	12.7
RLS8ZZ	RLS8 2RS			57.15	2-1/4"	15.88
RMS8ZZ	RMS8 2RS			63.5	2-1/2"	19.05
R18ZZ	R18 2RS	28.575	1-1/8"	53.975	2-1/8"	12.7
RLS9ZZ	RLS9 2RS			63.5	2-1/2"	15.88
RMS9ZZ	RMS9 2RS			71.438	2-13/16"	20.64
R20ZZ	R20 2RS	31.75	1-1/4"	57.15	2-1/4"	12.7
RLS10ZZ	RLS10 2RS			69.85	2-3/4"	17.46
RMS10ZZ	RMS10 2RS			79.375	3-1/8"	22.23
R22ZZ	R22 2RS	34.925	1-3/8"	63.5	2-1/2"	14.29
RLS11ZZ	RLS11 2RS	34.925	1-3/8"	76.2	3"	17.46
R24ZZ	R24 2RS	38.1	1-1/2"	66.675	2-5/8"	14.29
RLS12ZZ	RLS12 2RS	38.1	1-1/2"	82.55	3-1/4"	19.05

NMB DDRI Series

NMB Bearing Number	BORE d inch	O.D. D inch	WIDTH B inch
DDRI-2	0.04	0.125	0.0469
DDRI-3	0.0469	0.1562	0.0625
DDRI-4	0.0781	0.25	0.0937
DDRI-3332	0.0937	0.1875	0.0625
DDRI-5	0.0937	0.3125	0.1094
DDRI-418	0.125	0.25	0.0937
DDRI-518	0.125	0.3125	0.1094
DDRI-618	0.125	0.375	0.1094
DDR-2	0.125	0.375	0.1562
DDRI-5532	0.1562	0.3125	0.1094
DDRI-5632	0.1875	0.3125	0.1094
DDRI-6632	0.1875	0.375	0.125
DDR-3	0.1875	0.5	0.1562
DDRI-614	0.25	0.375	0.125
DDRI-814	0.25	0.5	0.125
DDR-4	0.25	0.625	0.196
DDRI-1214	0.25	0.75	0.2188
DDRI-8516	0.3125	0.5	0.1562
DDRI-1038	0.375	0.625	0.1562
DDRI-1438	0.375	0.875	0.2188
DDRI-1212	0.5	0.75	0.1562
DDRI-1812	0.5	1.125	0.25
DDRI-1458	0.625	0.875	0.1562
DDRI-1634	0.75	1	0.1562

F Series

Bearing Number		Size
F602zz	DDRF-720ZZ	2×7×2.8mm
F603zz		3x9x5 mm
F604zz	DDRF-1240ZZ	4x12x4mm
F605zz	DDRF-1450ZZ	5x14x5mm
F623zz	DDRF-1030ZZ	3x10x4 mm
F624zz	DDRF-1340ZZ	4x13x5 mm
F625zz		5x16x5mm
F635zz		5x19x6mm
F682zz	DDLF-520ZZ	2x5x2.3 mm
F683zz	DDLF-730ZZ	3x7x3mm
F685zz	DDLF-1150ZZ	5x11x5 mm
F686zz	DDLF-1360ZZ	6x13x5 mm
F687zz	DDLF-1470ZZ	7x14x5 mm
F692zz	DDRF-620ZZ	2x6x3 mm
F693zz	DDRF-830ZZ	3x8x4mm
F694zz	DDRF-1140ZZ	4x11x4mm
F695zz		5x13x4mm
F696zz	DDRF-1560ZZ	6x15x5mm

MF Series

Bearing Number		Size
MF52zz	DDLF-520WO2ZZ	2x5x2.3 mm
MF62zz		2x6x2.5 mm
MF63zz	DDLF-630ZZ	3x6x2.5 mm
MF72zz	DDRF-720Y52ZZ	2x7x3 mm
MF74zz	DDLF-740ZZ	4x7x2.5 mm
MF82ZZ		2.5x8x2.5mm
MF84zz	DDLF-840ZZ	4x8x3mm
MF85zz	DDLR850ZZ	5x8x2.5mm
MF93zz	DDRF-930Y52ZZ	3x9x10.2 mm
MF95zz	DDLF-950ZZ	5x9x3mm
MF104zz	DDLF-1040ZZ	4x10x4mm
MF105zz	DDLF-1050ZZ	5x10x4mm
MF106zz	DDLF-1060ZZ	6x10x3 mm
MF115zz		5x11x4mm
MF117zz	DDLF-1170ZZ	7x11x3 mm
MF126zz	DDLF-1260ZZ	6x12x4 mm
MF137zz	DDLF-1370ZZ	7x13x4 mm

Packaging and delivery

Shanghai Quelong Industrial Co., Ltd. is a professional manufacturer and seller of bearings of well-known domestic and foreign brands. The company is committed to becoming a benchmark for Chinese bearing companies, providing users with more cost-effective solutions with advanced and applicable technologies, stable and reliable products and professional and thoughtful services. Shanghai Quelon products have won the favor of many domestic and foreign customers.

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Deep Groove Ball Bearings

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