NTN Koyo Timken NSK 608 6204 6308 6309 6318 Zz 2RS Small and Big Size Deep Groove Ball Bearing for Motorcycle Parts NSK 608 DDU, 608-2rsr

• Bearing Type: Deep Groove Ball Bearing
• Precision Rating: P0 P6 P5 P4 P2 or ABEC1 ABEC3 ABEC5 ABEC7 ABEC9
• Bearing Clearance: C0/C3/C4
• Vibration: Z1V1, Z2V2, Z3V3; Z4V4
• Seals Type: Zz- 2RS Open
• Hardness: 58-62 HRC
• Model NO.: 608(18)/ 608-Z(60018)/608-ZZ(80018)/608-RS(160018)
• Bearing Material: Chrome Steel Gcr15 / Carbon Steel
• Bearing Cage: Steel Cage/Copper Cage/Nylon Cage
• Bearing Stock: Large Stock
• Certificate: ISO/Ts 16949
• Delivery Time: 2-15 Days
• Transport: by Sea/Air/DHL, UPS, FedEx
• OEM Service: Custom Bearing′s Size, Logo, Packing
• Lubrication: Oil Grease Dry
• Bearing MOQ: 10PCS
• Transport Package: Cartons+Pallets
• Specification: 8x22x7mm
• Trademark: JDZ
• Origin: China
• HS Code: 84821020
• Production Capacity: 500000/Month

Product Description

 

Product Description

Specifications

Category	Metric Ball BearingsMetric Ball Bearings
Part Number	608ZZ
Enclosure	Shielded
Flanged	No
Material	Chrome Steel
Bore Diameter [in]	0.315
Outside Diameter [in]	0.8661
Width [in]	0.2756
Bore Diameter [mm]	8
Outside Diameter [mm]	22
Width [mm]	7
Dynamic Load Rating (Cr) [N]	3297
Static Load Rating (Cor) [N]	1368
Fillet Radius (rsmin) [in]	0.012
Fillet Radius (rsmin) [mm]	0.425
Reference Diameter Inner (Li) [in]	0.752
Reference Diameter Outer (Lo) [in]	0.3
Reference Diameter Inner (Li) [mm]	10.8
Reference Diameter Outer (Lo) [mm]	19.1
Ball Size (DW) [in]	0.1563
Ball Size (DW) [mm]	3.969
Ball Complement (Z)	7
Dynamic Load Rating (Cr) [N]	3297
Static Load Rating (Cor) [N]	1368

 

The 6 of the 608 bearing represents the 6 series of deep groove ball bearings, 0 is the size series, and 8 is the inner diameter of 8mm.

608 bearing size. If the bearing is a standard part, the outer size is usually one type, and the size specifications are: outer diameter 22mm, height 7mm, and inner diameter 8mm. There are 7 steel balls with a diameter of 3.969mm. However, there are non-standard ones whose sizes are manufactured according to user specifications. There are few on the market and the cost is relatively high.

 

 

 

608 bearing advantages
Very durable, no need for frequent maintenance, simple structure, low manufacturing cost, and easy to achieve high manufacturing accuracy. It is a type of bearing widely used in the machinery industry.
608 bearing feature
The friction coefficient is small, the limit speed is high, and it is suitable for high-speed operation and the occasions requiring low noise and low vibration.
 

The 608 bearing finds its applications in a wide range of industries due to its simple design, high reliability, and cost-effectiveness.608 bearings can also be used in motors, electronic accessories, trolleys, roller skates, single-stage reducers, plastic welders, lace machines, sliding guides, flotation equipment, automatic sandblasting machines, creasing machines, rubber cutting machines, Drop pill machine, braiding machine, drainage and irrigation machinery, reaction kettle, concrete mixer, ironing equipment washing equipment, automatic pump, bottle blowing machine, steel rolling equipment, radial drilling machine, etc.


(1). Skateboard and Roller Skates
One of the most common uses of 608 bearings is in skateboards and roller skates.  These bearings provide smooth and low-friction rotation for the wheels, allowing skaters to move effortlessly and maintain speed.


(2). Electric Motors
In various electric motors, such as those used in power tools, small appliances, and industrial machinery, 608 bearings are used to support shafts and reduce rotational friction, thereby improving the efficiency and longevity of the motors.


(3). Handheld Power Tools
The 608 bearings are commonly found in handheld power tools like drills, grinders, and sanders.  These bearings help reduce heat and friction during high-speed operations, ensuring smoother and more reliable tool performance.

 


(4). Conveyor Systems
In material handling and conveyor systems, 608 bearings are utilized to support rotating components, such as rollers and pulleys, ensuring smooth and efficient movement of goods in factories, warehouses, and distribution centers.

 


(5). Bicycle 
The 608 bearing is a commonly used bearing in bicycle frames. Its purpose is to provide smooth motion and support, enhancing comfort and maneuverability during cycling. The 608 bearing plays a crucial role in bicycle frames, ensuring smooth and stable movement of the rear swing arm.

More series of Roller bearing

     Tip: Here are only part of the model numbers. Please contact us for full catalog.

Model Number	Inner Diameter	Outer Diameter	Width	Weight
604	4 mm	12 mm	4 mm	0.0023 kg
605	5 mm	14 mm	5 mm	0.0037 kg
606	6 mm	17 mm	6 mm	0.0069 kg
607	7 mm	19 mm	6 mm	0.0082 kg
608	8 mm	22 mm	7 mm	0.0129 kg
609	9 mm	24 mm	7 mm	0.016 kg
6000	10 mm	26 mm	8 mm	0.019 kg
6001	12 mm	28 mm	8 mm	0.022 kg
6002	15 mm	32 mm	9 mm	0.03 kg
6003	17 mm	35 mm	10 mm	0.039 kg
6004	20 mm	42 mm	12 mm	0.069 kg
6005	25 mm	47 mm	12 mm	0.08 kg
6006	30 mm	55 mm	13 mm	0.116 kg
6007	35 mm	62 mm	14 mm	0.155 kg
6008	40 mm	68 mm	15 mm	0.192 kg
6009	45 mm	75 mm	16 mm	0.245 kg
6010	50 mm	80 mm	16 mm	0.261 kg
6011	55 mm	90 mm	18 mm	0.362 kg
6012	60 mm	95 mm	18 mm	0.385 kg
6013	65 mm	100 mm	18 mm	0.41 kg

 

 

Packaging & Shipping

Please contact us for more pictures of different packing.

Universal Packing	Without any logo on bearings or packing.
JDZ Packing	With our brand JDZ on bearings and packing.
Customized Packing	Depends on buyer's requirements.
Original Brand Packing	Bearing and packing are both original. Please contact us for pictures.

 

QUALITY ASSURANCE

100% Quality inspection to ensure the bearings are with good quality before shipping. 

Company Profile

 

 

Shandong Hongye Precision Bearing Co.,Ltd. was founded by Hebei Defa Bearing Co.,Ltd, factory is located in Hebei province, China. 
We are a bearing manufacturer integrating the research, development and sales of bearings, with a floor area of 18,000 square meters and a plant area of 8,800 square meters. Equipped with modern production equipment and advanced detection instruments. 

We can provide all types bearings and OEM service according to customers' requirements. 

Our products are widely used in the automobile, agricultural, textile production, mining, printing and packing industries, in addition to various applications at airports, in air-conditioning systems, conveying devices, ships ad so on. Our products are being exported to more than 50 countries and regions overseas including Singapore, Thailand, Iran, Turkey, Poland, Italy, England, France, Russia, Germany, the United States, Australia, Argentina, Brazil as well as other countries and regions all over the world.

We are a trusted and reliable bearing supplier, choose us to be your good partner!

Quality Inspection

 

 

 

 

FAQ

1. Q: Are you trading company or manufacturer ?
   A: We have our own factory , our type is factory + trade.

2. Q: Could you accept OEM and customize?
    A: Yes, we can customize products according to your sample or drawing.

3. Q: How long is your delivery time? 
    A: If stock, within 7 days to ship or based on your order quantity.

4. Q: Could you supply sample for free? 
    A: Yes, we can offer the sample for free,do you mind to buy a "ticket" for her?


More details, please contact with us. Thanks for your time!