Mr137 Mr137zz Mr137-2RS 2rz Miniature Deep Groove Ball Bearing for Toys

• Customization: Available
• Place of Origin: Shandong China (Mainland)
• Usage: Fishing Reel
• Model NO.: Mr137zz
• Application: Skateboard
• Sample: Ok
• Transport Package: According to Per Client′s Requirements
• Specification: Mr137zz
• Trademark: Netural
• Origin: China
• HS Code: 8482109000
• Production Capacity: 50000 Pieces/Month
• Package Size: 5.00cm * 5.00cm * 5.00cm
• Package Gross Weight: 5.000kg

Product Description

Miniature Ball Bearing For Electronics Industry/Medical Equipment/Toys And Models/Home Appliances

1. Miniature bearing in metric desings(d=1mm--9mm) 681 691 681X 681XZZ 691X 691XZZ 601X 601XZZ 682 682ZZ MR52 MR52ZZ 692 692-2RS 692ZZ MR62 MR62ZZ MR72 MR72-2RS MR72ZZ 602 602-2RS 602ZZ 682X 682XZZ 692X 692X-2RS 692XZZ MR82X 602X 602XZZ MR63 MR63ZZ 683 683-2RS 683ZZ MR83 MR83ZZ 693 693-2RS 693ZZ MR93 MR93ZZ 603 603ZZ 623 623-2RS 623ZZ 633 633-2RS 633ZZ...
2. Miniature bearing in inch designs(d=1.984mm--9.525mm) R09 R0 R0ZZ R1 R1ZZ R1-4 R1-4-2RS R1-4ZZ R1-5 R1-5-2RS R1-5ZZ R133 R133ZZ R144 R144-2RS R144ZZ R2 R2-2RS R2ZZ R2-5 R2-5-2RS R2-5ZZ R2-6 R2-6-2RS R2-6ZZ R2A R2AZZ R155 R155ZZ R156 R156-2RS R156ZZ R166 R166-2RS R166ZZ R3 R3-2RS R3ZZ R3A-2RS R3AZZ R168 R168-2RS R168ZZ R4 R4-2RS R4ZZ R4A R4A-2RS R4AZZ R1810 R1810-2RS R1810ZZ R6 R6-2RS R6ZZ...
1'miniature flanged bearings in metric desings(d=1mm--12mm) F681 F691 MF41X F681X F681XZZ F691X F691XZZ F601X F601XZZ F682 F682ZZ MF52 MF52ZZ F692 F692-2RS F692ZZ MF62 MF62ZZ MF72 MF72-2RS MF72ZZ F602 F602ZZ F682X F682XZZ F692X F692X-2RS F692XZZ MF82X F602X F602X-2RS F602XZZ MF63 MF63ZZ F683 F683-2RS F683ZZ MF83 MF83ZZ F693 F693-2RS F693ZZ MF93 MF93ZZ F603 F603ZZ F623 F623-2RS F623ZZ MF74 MF74ZZ...
2'miniature flanged bearings in inch desings(d=1.984--9.525) FR0 FR0ZZ FR1 FR1ZZ FR1-4 FR1-4-2RS FR1-4ZZ FR1-5 FR1-5-2RS FR1-5ZZ FR133 FR133ZZ FR144 FR144-2RS FR144ZZ FR2 FR2-2RS FR2ZZ FR2-5 FR2-5-2RS FR2-5ZZ FR2-6 FR2-6-2RS FR2-6ZZ FR155 FR155ZZ FR156 FR156-2RS R156ZZ R166 R166-2RS R166ZZ FR3 FR3-2RS FR3ZZ FR168 FR168-2RS FR168ZZ FR4 FR4-2RS FR4ZZ R4A R4A-2RS R4AZZ FR1810 FR1810-2RS FR1810ZZ FR6 FR6-2RS FR6ZZ...  
OEM :We can also make non-standard bearings according to your samples and drafts.  Application: home appliances,low noise and high speed electric motors;  automotive components, pumps,machinery.

Miniature Ball Bearing

Applications of Miniature Ball Bearings
1. Electronics Industry
1.1 Mobile Devices
1.2 Laptop Computers
2. Watches and Clocks
2.1 Mechanical Watches
3. Medical Equipment
3.1 Dental Handpieces
3.2 Infusion Pumps
4. Toys and Models
4.1 RC (Remote Control) Toys
4.2 Model Trains
5.Home appliances
6.Sports equipment

Product Description

High Surface Finish in Miniature Ball Bearings

1. Reduced Friction
A high surface finish in miniature ball bearings significantly reduces friction between the balls and the raceways. 
 2. Enhanced Wear Resistance
The smooth surface of a miniature ball bearing with high (surface finish) helps to distribute the load more evenly across the contact area between the balls and the raceways. 
3. Lower Noise and Vibration
A superior surface finish contributes to quieter and smoother operation of the miniature ball bearing.
4. Improved Lubrication Performance
The smooth surface of a miniature ball bearing with good surface finish provides an ideal condition for lubricant to function effectively. 
5. Higher Precision
High surface finish is closely related to the precision of miniature ball bearings. 

Roundness Detection of Miniature Ball Bearings

1. Importance of Roundness Detection
The roundness of miniature ball bearings is a critical factor that significantly influences their performance, lifespan, and reliability. Precise roundness ensures smooth rotation, reduces vibration and noise during operation, and evenly distributes loads across the bearing components. Deviations from perfect roundness can lead to increased friction, premature wear, and even failure of the bearing, affecting the functionality of the entire mechanical system in which it is installed.
2. Detection Methods
2.1. Using a Roundness Tester
2.2. Coordinate Measuring Machine (CMM) Inspection
2.3. Optical Measurement Techniques
3. Tolerance Standards
4. Quality Control and Process Improvement

Benefits of Salt Spray Testing for Miniature Bearings

1. Assessing Corrosion Resistance
One of the primary benefits of salt spray testing for miniature ball bearings is to evaluate their corrosion resistance. 
2. Quality Assurance
Salt spray testing serves as an important quality control measure in the production of miniature ball bearings. It allows manufacturers to ensure that their products meet the required standards of corrosion resistance. 
 3. Product Design and Improvement
The results of salt spray testing can provide valuable insights for product design and improvement. Based on the test findings, manufacturers can determine if a particular design or material is suitable for a specific application. 
4. Meeting Industry Standards and Customer Requirements
Many industries have specific requirements regarding the corrosion resistance of components, including miniature ball bearings. Salt spray testing helps manufacturers ensure that their products meet these industry standards and customer expectations. 
5. Predicting Service Life
The duration that a miniature ball bearing can withstand in a corrosive environment can be estimated through salt spray testing. 

Inventory Advantages of Over 3,000 Models

1. Comprehensive Product Range
Our extensive inventory of over 3,000 models of miniature ball bearings offers an unparalleled product range.  
2. Quick Response to Customer Demands
With such a large inventory, we can provide a rapid response to customer orders. Our well - stocked inventory allows us to dispatch orders promptly, reducing lead times significantly.  
3. Cost - Effective Solution
Our inventory serves as a one - stop - shop, providing cost - effective solutions without compromising on quality.  
4. Product Availability and Continuity
The large number of models in our inventory ensures product availability even during periods of high demand or supply chain disruptions.
5. Flexibility in Order Quantities
Our inventory advantage allows for flexibility in order quantities.

Specification

PART NUMBER	SEAL TYPE	Bore diameter(d)	Outer diameter(D)	Width(B)	BALL SIZE(mm)	BALL QTY	weight(g)
606	open	6	17	6	3.5	6	5.94
606ZZ	Shield	6	17	6	3.5	6	6.89
606-2RS	Rubber seal	6	17	6	3.5	6	6.89
626	open	6	19	6	3.5	6	8.12
626ZZ	Shield	6	19	6	3.5	6	8.65
626-2RS	Rubber seal	6	19	6	3.5	6	8.65
636	open	6	22	7	3.969	7	13.9
636ZZ	Shield	6	22	7	3.969	7	14.5
636-2RS	Rubber seal	6	22	7	3.969	7	14.5
MR117	open	7	11	2.5	1.2	9	0.59
MR117ZZ	Shield	7	11	3	1.2	9	0.71
MR117-2RS	Rubber seal	7	11	3	1.2	9	0.71
MR137	open	7	13	3	1.2	12	1.52
MR137ZZ	Shield	7	13	4	1.2	12	2.01
MR137-2RS	Rubber seal	7	13	4	1.2	12	2.01
687	open	7	14	3.5	2	9	2.03
687ZZ	Shield	7	14	5	2	9	2.95
687-2RS	Rubber seal	7	14	5	2	9	2.95
MR62ZZ	Shield	2	6	2.5	1.2	6	0.33

PART NUMBER	SEAL TYPE	Bore diameter(d)	Outer diameter(D)	Width(B)	BALL SIZE(mm)	BALL QTY	weight(g)
697	open	7	17	5	2	9	5.01
697ZZ	Shield	7	17	5	2	9	5.26
697-2RS	Rubber seal	7	17	5	2	9	5.26
607	open	7	19	6	3.5	6	7.8
607ZZ	Shield	7	19	6	3.5	6	8.24
607-2RS	Rubber seal	7	19	6	3.5	6	8.24
627	open	7	22	7	3.969	7	12.7
627ZZ	Shield	7	22	7	3.969	7	13.1
627-2RS	Rubber seal	7	22	7	3.969	7	13.1
637	open	7	26	9	4.762	7	24.2
637ZZ	Shield	7	26	9	4.762	7	25.8
637-2RS	Rubber seal	7	26	9	4.762	7	25.8
MR128	open	8	12	2.5	1.2	12	0.7
MR128ZZ	Shield	8	12	3.5	1.2	12	0.99
MR128-2RS	Rubber seal	8	12	3.5	1.2	12	0.99
MR148	open	8	14	3.5	1.588	10	1.9
MR148ZZ	Shield	8	14	4	1.588	10	2.19
MR148-2RS	Rubber seal	8	14	4	1.588	10	2.19

Application Fields

**Electronics**
In the electronics industry, miniature ball bearings are widely used in devices such as hard disk drives (HDDs), where they support the rotation of the disk spindle. Their precision and low friction characteristics ensure smooth and accurate data reading and writing. They are also used in small motors of smartphones, tablets, and cameras, enabling functions like autofocus and image stabilization.

**Medical Equipment**
Medical instruments, such as dental handpieces and surgical robots, rely on miniature ball bearings for their precise and reliable operation. The high precision of these bearings is essential for minimizing vibration and ensuring accurate movement during delicate medical procedures.

Packing & Delivery

Package & Shipping

package: 1)Neutral package + carton package 2)Carton package + pallet 3)Wood package + pallet
Delivery Time: 1-3 days after order
Shipping: by air to door address / by sea to sea port

Certifications

Company Profile

ZAOZHUANG YIDING BEARING CO.,LTD

ls specialized in bearings export production selling and after-service. In practice for many years,we established strict quality assurance system. Our products range covers Cylindrical Roller Bearing, Needle Roller Bearing, Tapered RollerBearing, Spherical roller bearing, Deep Groove Ball Bearing, Angular Contact Ball Bearing (single row& double row),Thrust Ball/Roller Bearing, Linear bearing,Plain shaft(Axis) series, Linear guide rail,Rod end bearing, Joint bearing, Stainless Steel Bearings, Ceramic bearings,Plastic bearing, Thinwall bearing, Excavator bearing, Rotor bearing and so on. They are widely used in applications likeAgriculture, Automotive, Steel industry, Pumps & Compressors, Railways, Mining & Construction,Motorcycles, Electric Motors,Printing and Power Tools, etc. We can do OEM products, and do following drawings. We are the agent of world famous brands:NSK NTN KOYO NACHI ASAHI KO THK UBC NMB DPI and so on. Our principle is service and quality Firstl! By ceaselessly improve our quality and, our products win highpraise for our favorable price...

Feedback

FAQ

Q1: What the MOQ of your company?

Our MOQ is normally 100pcs, anyway lower MOQ is also acceptable with a litter highercost,  the more you purchase the cheaper cost you could get.

Q2: Could you accept OEM and customize?

Yes,we can customize for you according to sample or drawing.

Q3: Could you supply sample for free?

Yes,we can supply sample for free,do you mind to buy her a ticket?

Q4: Dose your factory have any certificate?

Yes we have ISO 9001:2008,IQNET and SGS. If you want other like CE ,we can do for you.

Q5: IS you company factory or Trade Company?

We have our own factory ;our type is factory +trade.

Q6: Could you tell me the material of your bearing?

We have chrome steel, and stainless steel,ceramic and plastic material.

Q7: Could you offer door to door service?

Yes,by express(DHL,FEDEX,TNT,EMS,4-10 days to your city.)

Q8: Could you tell me the payment term of your company can accept?

T/T.Western Union,PayPal

Q9: Could you tell me the delivery time of your doors?

If stock,in 7days or base on your order quantity

Q10:Can you give me some discount?

Yes, you can, contact me immediately to get more discounts.