626zz aluminum window roller automatic door wheel ball bearing 30mm plastic nylon sheave

Products Details

Quick Details
Deep Groove
Applicable Industries:
Manufacturing Plant
Bore Size:
3 - 10 mm
Model Number:
608( 625, 626, 606, 694, 695, etc)
Precision Rating:
P0 P6 P5 P4 P2
Seals Type:
Number of Row:
Single row
Place of Origin:
Hebei, China
Roller Plastic Material:
POM/ Nylon/ Delrin
Roller Plastic Color:
White, Black, Yellow, Red per Requested
Rolller Design:
Roller Moulds:
Lots of Exisint Moulds Already
Roller Bearing Material:
Carbon Steel/ Chrome Steel
Bearing Ball Class:
Class 100
Bearing Grease:
Mobil Brand
Bearing Vibration Level:
V1, V2, V3, V4
Bearing Clearance:
C2 C0 C3 C4 C5
Bearing Noise Level:
Z1, Z2, Z3, Z4

626zz aluminum window roller automatic door wheel ball bearing 30mm plastic nylon sheave  


1). Material: Carbon Steel/ Chrome Steel Bearing + Plastic( POM/ NYLON) Injection;

2). Application: for Aluminium Door and Windows; Aluminium Hardware Accessories and other sliding applications;

3). Plastic Color: Various, as per Request;


-- For any detailed inquiry of non-standard bearing rollers, pls contact us freely. We will make a response within 12 hours.


Product Description

626zz aluminum window roller automatic door wheel ball bearing 30mm plastic nylon sheave

1).General Introduction

Products Name

Plastic Roller/ Sliding Window & Door Roller/ Bearing Roller

Brand name

NMN or OEM Brand, According to customers’ requirements

ID size

As per the customer's technic drawing


Pom, pp, poly, nylon wheels, chrome steel, carbon steel


all colors available


many different types with various sizes and customized

Delivery Date

Normally ready goods and stock within 30 days



A:100% TT

B: 30% T/T in advance .70% against copy of  B/L

C.30% T/T in advance .70% against L/C at sight

D. Western union

E. Paypal


caster wheel , small pulley , window , sliding door ,...


Industrial package or according to buyers’ requirement


feel good, clearance of small, low-noise, competitive price with good quality




2). Roller Benefits:

626zz aluminum window roller automatic door wheel ball bearing 30mm plastic nylon sheave

1). Sliding roller for sliding door & window of PVC profile;

2). Nylon wheels for smooth rolling movement; 

3). Copper wheels available for high strength and durability;

4). Zinc plated iron basement for corruption resistance and durability;

5). Customed types and sizes of window & door rollers available.



3). Structrue of Inner Bearing:

626zz aluminum window roller automatic door wheel ball bearing 30mm plastic nylon sheave

Bearing rings: Dimension tolerance, geometric tolerances, and surface quality of bearing’ s working surface will influent the operating noise. Naimei Bearing adopts precision CNC machining to dimension precision,  geometric tolerances, design drawing, mold making, grinding, cleaning,  assembly, testing, every link of strict checks, so as to ensure all our products are tested by our strict criteria.

Balls:  The balls evenly with by the cage, often make rolling movement between 2 rings. The shape, size and number will directly influent bearing’s load tolerance and operating capability. We use high precision, small vibration steel ball. It’s surface must be strengthened, no bumps scratches, lacerations, pitting and notch.

Cage: Enclose and move with all or part of the balls. It also be used to insulate the balls, guide the balls’ movement and to improve lubrication performance inside the bearing., etc. Naimei Bearing’s cage is commonly made of cold rolling carbon steel. But in the corrosiveness environment, nonparallel or high-speed situation, stainless steel, engineering plastics cagecan be decided on request.

Shield: Naimei Bearing’s shield, taking the carbon steel material, if necessary,taking stainless steel or other material.

Seal: Naimei Bearing adopts different kind of seal material to meet the requirement of their operating in high temperature and being compatible with grease. Acrylonitrile-butadiene rubber is our standard material. but in high temperature environment ,often adopt fluorocarbons, silicone , PTFE shield.

Grease: The shield and seal were filled with standard grease. We can use different grease as request. High Quality Grease is very crucial in plastic injection process. 

Packaging & Shipping

With Hebei Naimei, all bearings are:

1). Packed in good and safe industrial packages, either in plastic bag, or plastic tube, or white box, or colored box. Customized package, pls contact us freely.

2). Shipped on time and handled carefully to ensure perfect package upon customers' receiving.

Our Services

Hebei Naimei Bearing Co., Ltd.

√ OEM Service: We are a company specialzing in producing deep groove ball bearings & miniature bearings & plastic pulleys. We prodcue in accordance with customers' samples or drawings or applicaitons. Customers' brand is avaible on the bearings.

Various existing moulds: We have our own mould factory. Now with years' production, we have lots of existing moulds for customer's choice. If not, new moulds can also be produced out within 15 days.

 Authentications: Our products have passed related authentications and have been widely adopted and favored by domestic and overseas customers.

 Lead Time: To save lead time, the production, inspection and packaging is doing at the same time.

 Machining Workshop: We keep introducting advanced equipments from Germany to meet customers' requirements for precision and production capacity.


Honors & Certificates


Exibition Show


Company Information

Hebei Naimei Bearing Co., Ltd. is a specialized manufacturer of ball bearings for about 20 years. Our main products include:

Supplier Deep Groove Ball Bearing with Cheap Ball Bearing Prices and All Ball Bearing Sizes

60 Series Bearings: 604/ 605/ 606/ 607/ 608/ 609/ 6000/ 6001/ 6002/ 6003/ 6004 /6005/ 6006/ 6007/ 6008/ 6009/ 6010/ 6011/ 6012/ 6013/ 6014/ 6015 Bearings;

62 Series Bearings:  624/ 625/ 626/ 627/ 628/ 629/ 6200/ 6201/ 6202/ 6203/ 6204 /6205/ 6206/ 6207/ 6208/ 6209/ 6210/ 6211/ 6212/ 6213/ 6214/ 6215 Bearings;

63 Series Bearings:  6300/ 6301/ 6302/ 6303/ 6304 /6305/ 6306/ 6307/ 6308/ 6309/ 6310/ 6311/ 6312/ 6313/ 6314/ 6315 Bearings;
68 Series Bearings:  684/ 685/ 686/ 687/ 688/ 689/ 6800/ 6801/ 6802/ 6803/ 6804 /6805/ 6806/ 6807/ 6808/ 6809/ 6810/ 6811/ 6812/ 6813/ 6814/ 6815 Bearings;
69 Series Bearings:  694/ 695/ 696/ 697/ 698/ 699/ 6900/ 6901/ 6902/ 6903/ 6904 /6905/ 6906/ 6907/ 6908/ 6909/ 6910/ 6911/ 6912/ 6913/ 6914/ 6915 Bearings;

16000 Series Bearings: 16001/ 16002/ 16003/ 16004/ 16005/ 16006/ 16007/ 16008/ 16009/ 10610 Bearings;

Inch Series Bearings: R2/ R4/ R6/ R8/ R10/ R12/ R14/ R16 BearingS;

Non-Standard Bearings: Double Grooved/ Slotted Bearings, Bearings with Extended Inner Rings, U Grooved Bearing, V Grooved Bearings;

Plastic Roller with Bearings: Nylon/ Pom Concave/ Convex Rollers/ Pulleys.

Factory Show


1. Is Hebei Naimei the factory or trading company?

------Hebei Naimei Bearing is the manufacturer. Welcome your audit at any time.


2. What is the MOQ? Can you accept small sample order?

------Our company MOQ is 1pc and we can accept sample order.


3. Can you do OEM/ ODM Service?

------Yes, we can.customize in accordance with clients' requirements or drawings.


4. Can you supply door to door service?

------By air or express(DHL, FEDEX, EMS etc.)


5. What's the material of Naimei Bearings?

------Chrome steel, carbon steel, and stainless steel.


6. Is there a special discount?

------Since we're factory, our policy is the bigger order quantity, the lower quotation will be. 


Contact US


Contact US

If you have any question about our bearing products, pls contact us directly.

Contact Person: Jack Zhang

Mob/ Wechat/ Whatsapp: +86-18932901798

Email: sale(at)hbdlbearing.com

We will responde to you within 12 hours and there are our technical team to assit you all the time.

If convenient, scanning me to your address book for better communication:

Contact us

Please feel free to give your inquiry in the form below We will reply you in 24 hours