Tag Archives: Drive Chain Replacement

China Roller chain and sprocket manufacturer High for replacement of tsubaki chain germany China in Asuncion Paraguay Quality Conveyor Roller Non Drive Gravity Light Duty Roller with ce certificate top quality low price

China Roller chain and sprocket manufacturer High  for replacement of tsubaki chain germany China in Asuncion Paraguay  Quality Conveyor Roller Non Drive Gravity Light Duty Roller with ce certificate top quality low price

We – EPG Team the greatest Chain and agricultural gearbox manufacturing facility in China with 5 various branches.

we provide a single-cease resolution for the purchase of mechanical chain,power transmission parts and pto shaft, agricultural gearboxes merchandise in China. Our items are used in a lot of fields.EPT chains, each regular and non-normal, are created of: ○ Large good quality steels: dimensions and tailored chemical composition for the diverse chain elements ○ The most efficient manufacturing procedures: • Special strategy for the creation of bushes strengthening the chain wear resistance ( EPT know-how) • Plates produced by multi-phase processing instruments making certain a regular pitch ( EPT engineering) ○ Satisfactory mechanical and heat therapies of chain parts: • Shot peening • Surface area finishing • Scenario hardening, carbonitriding, quenching, tempering … • EPT®treatment • Freezing treatment • Corrosion safety coatings (GEOMET, zinc, nickel plating, …) EPG roller chain satisfies or exceeds ANSI requirements and is made in ISO licensed factories. As is the scenario with our pillow block bearings and ball bearings, our roller chain components are tested prior to shipment to insure quality. The roller chain areas and roller chains we provide are pre-stretched to insure you have constrained sag. It also arrives with solid rollers, guaranteeing that it is of the greatest good quality.

                                   PH gravity roller light-weight duty roller

Item Description

PH gravity roller light-weight obligation roller

Gravity Roller (Light Responsibility Roller) is broadly employed in all types of industry, like producing line, assembly line, packaging line, conveyor equipment and logistic strore.
PH: Precision Bearing (spring loaded)
 

Model

Tube Diameter

D (mm)

Tube Thickness

T (mm)

Roller Length

RL (mm)

Shaft Diameter

d (mm)

Tube Materials

Surface area

PH28
 

φ 28

T=2.75

a hundred-2000

φ twelve

Carbon Metal

Staineless Steel 
Aluminium

Zincorplated

Chromeorplated

PH38
 

φ 38

T=1.2, 1.five

a hundred-2000

φ twelve, φ 15

PH42
 

φ forty two

T=2.

a hundred-2000

φ 12

PH48
 

φ forty eight

T=2.seventy five

100-2000

φ twelve

PH50
 

φ 50

T=1.2, 1.5

100-2000

φ 12, φ 15

PH57

φ 57 

T= 1.2, 1.5, 2.

a hundred-2000

φ 12, φ 15

PH60
 

φ 60 

T= 1.5, 2.

100-2000

φ twelve, φ 15

PH63.five
 

φ sixty three.5 

T= 3.

a hundred-2000

φ fifteen.8 

PH76
 

φ 76 

T=1.5, 2., 3.

100-2000

φ twelve, φ 15, φ 20

PH89
 

φ 89 

T=2., 3.

100-2000

φ twenty

 

About roller,we can make gravity conveyor roller,steel conveyor roller,driving roller,light middle responsibility conveyor roller,o-belt tapered sleeve roller,gravity tapered roller,polymer sprocket roller and so on. Much more information,make sure you contact us


 

Very hot Sale

 

Company Details

Contact us

 

The use of original equipment manufacturer’s (OEM) component quantities or logos , e.g. CASE® and John Deere® are for reference functions only and for indicating merchandise use and compatibility. Our firm and the detailed alternative elements contained herein are not sponsored, approved, or manufactured by the OEM.

China Roller chain and sprocket manufacturer High  for replacement of tsubaki chain germany China in Asuncion Paraguay  Quality Conveyor Roller Non Drive Gravity Light Duty Roller with ce certificate top quality low price

China Roller chain and sprocket manufacturer High  for replacement of tsubaki chain germany China in Asuncion Paraguay  Quality Conveyor Roller Non Drive Gravity Light Duty Roller with ce certificate top quality low price

China Roller chain and sprocket manufacturer High  for replacement of tsubaki chain germany China in Asuncion Paraguay  Quality Conveyor Roller Non Drive Gravity Light Duty Roller with ce certificate top quality low price

China Roller chain and sprocket manufacturer High  for replacement of tsubaki chain germany China in Asuncion Paraguay  Quality Conveyor Roller Non Drive Gravity Light Duty Roller with ce certificate top quality low price

Best made in China – replacement parts – pintle Chain & sprocket manufacturer : Hot converting chain drive to belt drive garage door in Madrid Spain Selling Gold Mining Dredge Mini Bucket Chain Dredger for Sale with ce certificate top quality low price

Best  made in China - replacement parts - pintle Chain & sprocket manufacturer : Hot converting chain drive to belt drive garage door  in Madrid Spain  Selling Gold Mining Dredge Mini Bucket Chain Dredger for Sale with ce certificate top quality low price

We – EPG Group the largest Chain and agricultural gearbox manufacturing unit in China with 5 distinct branches. For more specifics: Cell/whatsapp/telegram/Kakao us at: 0086-13083988828

Our goods are utilized in a lot of fields.industrial PersonnelOur income individuals are effectively educated to accommodate your requests and communicate English for your usefulness. factors which includes roller chains. Roller chains are offered in normal, nickel plated & stainless steel resources in pitch dia. ranging from 1/4 in. to 3 in. Sorts incorporate leaf chains in lacing configurations ranging from 2 x 2 to 8 x 8. Leaf chains are available in pitch sizes ranging from 1/2 in. to 2 in., pin dia. ranging from .156 in. to .687 in. & tensile strengths ranging from 4,000 lbs. to 156,000 lbs. Purposes include agricultural, conveyors, drilling, electronics assembly, foodstuff processing, fork carry vans, hoists, packaging & textile equipment. Producer & distributor of roller & wire rope finish chains. Kinds of chains contain alloy, substantial tensile transportation, large take a look at & proof coil chains. Apps consist of log chains, cargo lashings, pipe line handing, tailgates, guard rails & switch chains.

 

Substantial good quality mining chain with inexpensive price:
Dimensions: 6mm-42mm

Substance: Alloy metal, higher tensile, heat treated.

Surface area therapy: Galvanized, Black painted, Self colour, Sharpening, Powder coated

Coloration: Self color, Pink , gray, inexperienced, as to your request

Software: Ship, iron and metal industry, petroleum chemical market, coal mine

 

Packaging & Shipping and delivery:

Packing details: 
Bulk packing
Packed in wooden situations
Packed in Iron drum, then in pallets
According to your demands

Shipping and delivery Depth: Normally 30 times right after obtaining your irrevocable L/C or advance payment. 

 

The use of first products manufacturer’s (OEM) part quantities or logos , e.g. CASE® and John Deere® are for reference functions only and for indicating solution use and compatibility. Our firm and the listed substitute parts contained herein are not sponsored, accepted, or manufactured by the OEM.

Best  made in China - replacement parts - pintle Chain & sprocket manufacturer : Hot converting chain drive to belt drive garage door  in Madrid Spain  Selling Gold Mining Dredge Mini Bucket Chain Dredger for Sale with ce certificate top quality low price

Best  made in China - replacement parts - pintle Chain & sprocket manufacturer : Hot converting chain drive to belt drive garage door  in Madrid Spain  Selling Gold Mining Dredge Mini Bucket Chain Dredger for Sale with ce certificate top quality low price

Best  made in China - replacement parts - pintle Chain & sprocket manufacturer : Hot converting chain drive to belt drive garage door  in Madrid Spain  Selling Gold Mining Dredge Mini Bucket Chain Dredger for Sale with ce certificate top quality low price

Best  made in China - replacement parts - pintle Chain & sprocket manufacturer : Hot converting chain drive to belt drive garage door  in Madrid Spain  Selling Gold Mining Dredge Mini Bucket Chain Dredger for Sale with ce certificate top quality low price

Best made in China – replacement parts – Chain & sprocket manufacturer : a compare belt and chain drive in Meerut India Series Roller Chain for Transmission System 25-1 with ce certificate top quality low price

Best  made in China - replacement parts - Chain & sprocket manufacturer : a compare belt and chain drive  in Meerut India  Series Roller Chain for Transmission System 25-1 with ce certificate best high quality minimal cost

We – EPG Group the greatest Chain and agricultural gearbox factory in China with 5 various branches. For far more details: Mobile/whatsapp/telegram/Kakao us at: 0086-13083988828

In this way, our merchandise have continued to achieve market acceptance and consumers satisfaction above the previous handful of many years.roller Our merchandise are manufactured by contemporary computerized machinery and tools.a specialized provider of a entire assortment of chains, sprockets, gears, gear racks, V-belts, couplings and reducers, pto shaft, agricultural gearboxes….chains. Conveyor chains, engineered chains, silent chains, and tabletop chains are also offered. Other electricity transmission merchandise consist of pillow blocks, conveyor idlers, conveyor pulleys, travel shafts, gear racks, equipment reducers, gears, overrunning clutches, motor bases, pulleys, screw conveyors, shaft couplings, sheaves, pace reducers, sprockets, tapered bushings, tensioners, torque limiters, and common joints. Providers this sort of as bearing reconditioning and repair, ball screw fix, personalized agreement machining, gearbox mend and overrunning clutch repair companies are available. Roller chains can be used in conveyor and equipment manufacturing, industrial processing, device rebuilding, waste h2o, sand and gravel, tool and die, steel, metals and scrap processing industrial apps. The continued enlargement of our ball bearings, mounted models and electricity transmission product lines, alongside with our focus to detail and high quality, has permitted EPG to obtain broad acceptance to a diverse buyer base.

OUR Goods Record:
A and B collection solitary/double/triple stHangZhourd roller chain and no-stHangZhourd roller chain

DIN/ISO ANSI Pitch Roller Width Pin Pin Lnner Plate Final Common excess weight
KIN/ISO ANSL     among diameter length plate thick tensile tensile per
Chain Chain     inner plates       depth -ness power toughness meter
No. No. P d1 b1 d2 L Lc h2 T Q Q0 q
    max min max max max max max min
    mm mm mm mm mm mm mm mm kN/LB kN kg/m
*03C *15 four.7625 two.48 two.38 1.sixty two 6.one six.nine four.three .six 1.80/409 two .08
*04C-1 *twenty five six.35 three.three three.18 two.31 7.nine 8.four six .8 3.fifty/795 4.six .15
*06C-1 *35 nine.525 5.08 4.seventy seven 3.58 12.four thirteen.seventeen 9 one.3 seven.ninety/1795 ten.8 .33
085-1 41 12.seven 7.seventy seven 6.25 3.fifty eight 13.seventy five fifteen nine.91 1.3 6.67/1516 12.6 .41
08A-1 40 12.7 seven.95 7.85 3.ninety six sixteen.6 seventeen.eight 12 one.five fourteen.ten/3205 seventeen.five .sixty two
10A-1 50 15.875 ten.sixteen nine.four 5.08 20.7 22.2 15.09 two.03 22.twenty/5045 29.four 1.02
12A-one 60 19.05 eleven.ninety one twelve.fifty seven five.ninety four 25.nine 27.7 18 two.42 31.80/7227 forty one.5 one.five
16A-1 eighty twenty five.4 fifteen.88 fifteen.75 7.92 32.seven 35 24 3.twenty five fifty nine.70/12886 sixty nine.four two.six
20A-one 100 31.seventy five 19.05 eighteen.9 9.53 forty.four 44.7 30 4 88.fifty/20114 109.two three.ninety one
24A-one 120 38.one 22.23 25.22 11.one 50.3 fifty four.3 35.7 four.8 127.00/28864 156.3 5.sixty two
28A-1 one hundred forty 44.forty five 25.four twenty five.22 12.7 54.4 fifty nine 41 5.6 172.40/39182 212 7.five
32A-one 160 fifty.8 28.fifty eight 31.fifty five 14.27 sixty four.eight sixty nine.6 47.8 six.4 226.eighty/51545 278.9 1.one
36A-1 one hundred eighty fifty seven.fifteen 35.71 35.48 seventeen.forty six 72.eight 78.6 53.6 seven.2 280.20/63682 341.8 thirteen.45
40A-one two hundred 63.5 39.sixty eight 37.85 19.85 80.3 87.2 60 eight 353.eighty/80409 431.6 sixteen.fifteen
48A-1 240 76.two 47.sixty three 47.35 23.81 ninety.five 103 seventy two.39 nine.five fifty one.30/115977 622.5 23.two

 

 DIN/ISO Pitch Roller Width Pin Pin Lnner Plate Supreme Common fat
KIN/ISO     amongst diameter length plate thick tensile tensile per
Chain     inner plates       depth -ness power power meter
No. P d1 b1 d2 L Lc h2 T Q Q0 q
  max min max max max max max min
  mm mm mm mm mm mm mm mm kN/LB kN kg/m
04B-1 6 four two.8 1.eighty five six.eight 7.eight five .six three.2/682 three.2 .eleven
05B-1 eight 5 three two.31 8.two eight.9 seven.one .8 five./1136 five.nine .2
*06B-1 9.525 six.35 five.72 three.28 thirteen.fifteen 14.one eight.2 1.3 nine./2045 ten.four .41
08B-1 twelve.7 eight.51 7.seventy five 4.forty five 16.seven 18.2 eleven.eight 1.six eighteen./4091 19.four .sixty nine
10B-1 15.875 ten.16 nine.65 5.08 19.5 twenty.nine fourteen.7 one.7 22.4/5091 27.five .93
12B-1 19.05 12.07 11.68 five.seventy two 22.five 24.two 16 1.85 29./6591 32.two one.15
16B-one twenty five.four fifteen.88 17.02 8.28 36.one 37.4 21 four.15/3.one sixty./13636 72.8 two.71
20B-1 31.seventy five 19.05 19.fifty six ten.19 41.three 45 26.4 4.5/3.five ninety five./21591 106.7 3.7
24B-one 38.one twenty five.four 25.4 14.63 fifty three.four 57.eight 33.two 6./4.eight a hundred and sixty./36364 178 7.1
28B-one forty four.forty five 27.94 thirty.ninety nine 15.9 65.one 69.5 36.7 7.5/6. two hundred./45455 222 8.5
32B-1 fifty.8 29.21 thirty.ninety nine 17.eighty one sixty six seventy one forty two seven./6. 250./56818 277.five ten.twenty five
40B-1 63.5 39.37 38.one 22.89 eighty two.two 89.two 52.96 eight.5/8. 355./80682 394 sixteen.35
48B-1 76.2 forty eight.26 forty five.seventy two 29.24 99.1 107 63.8   560./127272 621.6 twenty five

Products demonstrate
 
 

  
  

    

Our workshop

  

Our hot treatment method products
    
 

   FAQ

Q1. What is your phrases of packing?
A: Generally, we pack our goods in one colour box. If you have special reque EPT about packing, p EPT negotiate with us in advance, we can pack the merchandise as your ask for.

Q2. What is your phrases of payment?
A: T/T thirty% as deposit, and 70% ahead of delivery. We will show you the images of the products and packages 
just before you shell out the stability. EPT payments conditions, p EPT negotiate with us in progress, we can examine.

Q3. What is your conditions of supply?
A: EXW, FOB, CFR, CIF.

This autumn. How about your delivery time?
A: Generally, it will consider twenty five to 30 times after getting your advance payment. The certain shipping and delivery time depends 
on the things and the amount of your order.

Q5. Can you create according to the samples?
A: Yes, we can make by your samples or technological drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can source the sample if we have ready parts in stock, but the customers have to spend the sample co EPT and 
the courier value.We welcome sample get.

Q7. Do you te EPT all your products just before shipping?
A: Of course, we have one hundred% te EPT just before delivery

Q8: How do you make our enterprise extended-phrase and very good connection?
one. We hold excellent top quality and aggressive cost to make certain our clients gain
2. We respect each and every customer as our friend and we sincerely do company and make pals with them, 
no make a difference in which they arrive from.

 

The use of unique tools manufacturer’s (OEM) component quantities or emblems , e.g. CASE® and John Deere® are for reference purposes only and for indicating item use and compatibility. Our business and the shown replacement elements contained herein are not sponsored, approved, or made by the OEM.

Best  made in China - replacement parts - Chain & sprocket manufacturer : a compare belt and chain drive  in Meerut India  Series Roller Chain for Transmission System 25-1 with ce certificate prime high quality low price tag

Best  made in China - replacement parts - Chain & sprocket manufacturer : a compare belt and chain drive  in Meerut India  Series Roller Chain for Transmission System 25-1 with ce certificate best good quality minimal price

Best  made in China - replacement parts - Chain & sprocket manufacturer : a compare belt and chain drive  in Meerut India  Series Roller Chain for Transmission System 25-1 with ce certificate best quality reduced price

Best  made in China - replacement parts - Chain & sprocket manufacturer : a compare belt and chain drive  in Meerut India  Series Roller Chain for Transmission System 25-1 with ce certification leading high quality lower price tag

Best made in China – replacement parts – Chain & sprocket manufacturer : Cc600 chain drive electric motor in Ipoh Malaysia Plastic Multiflex Chain for Conveyor with ce certificate top quality low price

Best  made in China - replacement parts - Chain & sprocket manufacturer : Cc600 chain drive electric motor  in Ipoh Malaysia  Plastic Multiflex Chain for Conveyor with ce certificate top quality low price

We – EPG Group the biggest Chain and agricultural gearbox factory in China with 5 different branches. For more specifics: Cell/whatsapp/telegram/Kakao us at: 0086-13083988828

In 2000, EPG took the guide in getting ISO14001 surroundings management certificate and thereafter handed the inspection of clean production and recycling economy, winning the title of “Zhejiang Green Business”.Manufacturer EPG is a skilled producer and exporter that is involved with the design, advancement and manufacturing.of roller drive chains for electrical power transmission applications from basic industrial to functions in specialised places such as foods processing, large design tools, and oil discipline providers. Offered in double pitch generate and standard roller chains with single and multiple strand configurations. Specs incorporate .twenty five to 3 in. chain pitch, .thirteen to 1.88 in. distance between sidebars, and .09 to .94 in. pin diameter. Available with attributes this sort of as circumstance-hardened and armor-cased pins, pre-stressed procedure, corrosion and shock resistance, and stainless steel materials. Gives submit-sale assist providers. Roller Chain ANSI Standard • British Normal • Large-Duty • Intense-Responsibility • Super Large Sequence • Cottered or Riveted • Several Strand • Stainless Metal • Nickel Plated • Dacroclad™ • Extended Pitch (Such as Massive Roller) • 81X, 81XH, 81XHH • Hollow Pin • Agricultural (CA550, CA620, and many others.) • Citrus Chain We can supply  CC600 Plastic multiflex chain for conveyor with large top quality and competitive price 

 
POM Substance CC600 Chain &commaCC600 Nylon chain &commaCC600 Tabless conveyor chain is utilized in  the meals and beverage sector on conveyors to transportation crates&period of time This acetal chain is accessible with galvanised metal pins or stainless metal pins&time period The chain is produced in accordance to client requirements and ask for&interval

We also source Chain varieties as adhering to&colon

820

820 K250
820 K325
820 K350
820 K400
820 K450
820 K600
820 K750

821
821 K750
821 K1000
821 K1200

880
880 K325
880 K450

880TAB

880 T EPT K325
880 T EPT K450

882 TAB
882 T EPT K500
882 T EPT K600
882 T EPT K750
882 T EPT K1000
882 T EPT K1200

880 T EPT Rt &lparSmall radius hinge chains &rpar
880 T EPT K325
880 T EPT K450

We are company professionally in modular belts&comma plastic best chains&comma stainless metal prime chains&comma and EPT conveyor components&time period We have abtained the top quality certification of ISO 9001&colon 2000&comma and our merchandise have been sold to Europe&comma Middle East&comma The us and many EPT coutries and locations&interval

The use of authentic equipment manufacturer’s (OEM) portion figures or logos , e.g. CASE® and John Deere® are for reference needs only and for indicating solution use and compatibility. Our business and the detailed substitute components contained herein are not sponsored, authorized, or created by the OEM.

Best  made in China - replacement parts - Chain & sprocket manufacturer : Cc600 chain drive electric motor  in Ipoh Malaysia  Plastic Multiflex Chain for Conveyor with ce certificate top quality low price

Best  made in China - replacement parts - Chain & sprocket manufacturer : Cc600 chain drive electric motor  in Ipoh Malaysia  Plastic Multiflex Chain for Conveyor with ce certificate top quality low price

Best  made in China - replacement parts - Chain & sprocket manufacturer : Cc600 chain drive electric motor  in Ipoh Malaysia  Plastic Multiflex Chain for Conveyor with ce certificate top quality low price

Best  made in China - replacement parts - Chain & sprocket manufacturer : Cc600 chain drive electric motor  in Ipoh Malaysia  Plastic Multiflex Chain for Conveyor with ce certificate top quality low price

ISO made in China – replacement parts – bmw n47 drive belt China in Kayamkulam India High Quality Best 520h Roller Chain with ce certificate top quality low price

ISO  made in China - replacement parts - bmw n47 drive belt China in Kayamkulam India  High Quality Best 520h Roller Chain with ce certificate top quality low price

We – EPG Team the biggest Chain and agricultural gearbox factory in China with 5 distinct branches. For a lot more particulars: Cellular/whatsapp/telegram/Kakao us at: 0086-13083988828

Our goods are produced by modern day computerized equipment and gear.a specialised supplier of a full selection of chains, sprockets, gears, gear racks, V-belts, couplings and reducers, pto shaft, agricultural gearboxes….Normal Our business pays certain focus to customers’ wants, listening to the specific demands of each customer and guaranteeing overall gratification.strands have an even number of pitches, pin hyperlinks, and roller backlinks. A roller chain strand can be shortened by getting rid of hyperlinks and lengthened by incorporating total or a 50 % links (offset hyperlinks). ISO 9001 certified maker of precision roller chains. Kinds incorporate one and numerous strand, hollow pin, aspect bow, rollerless, self-lubricating, straight sidebar, double pitch, brushed, nickel plated, armor coated, 304 stainless steel, leaf, hoist and O-ring, citrus, sorting and caterpillar roller chains.

1)Type roller chain
2)Materials Grade A steel 
three)Chain No. 520H-O
4)Guarantee 30000KMs
five)Approach Sand blasting, heat remedy, High speed impact,
Four sides riveting, Pre-stretching and running, Lubricate with Grease
six)MOQ 500 Pcs
7) EPT Ability one hundred thousand Meter/Meters for each 12 months
8)Tensile Toughness/Hardness stHangZhourd or previously mentioned
9)Supply Time in 30 times right after getting your thirty% deposits
ten)Payment Conditions L/C,T/T
eleven)Packing chains packing in stHangZhourd export carton, also can packing as your prerequisite

Our Solutions

Pre-sales:
one. OEM &ODM provider
2. Any of your sort inquiry would be replied inside of 24 several hours.
3. Complete merchandise info will be offered
4. Cost-free sample will be sent if you require .
five. Any EPT reasonable specifications as for each requested
 
During creation ,we supply:
one. Timetable of generation
2. Mass creation photo will provided
three. Any EPT affordable requirements as per requested
 
Complete manufacturing:
1. Courier tracking variety
two. Documents you need 
three. Security of your product sales spot, suggestions of design and style and all your non-public data.

FAQ:

Q1: Do you inspect the concluded merchandise?
A: Yes, each and every phase of production and finished items will be carried out inspection by QC departing ahead of shipping and delivery.
Q2: What’s the warranty of your products?
A: Usually we guarantee one year after delivery date, but depending on the specified product.
Q3: Are you producer or Trade Company?
A: Each we are. We have been in motorbike parts for almost 20 a long time.
This autumn: How to visit factory?
A: Leave us a message, and we will pick you up by car for free.
Q5: Can you do custom logo on the chain?
A: Sure,we can do custom logos by molding. Need your Authorization Letter.

The use of original equipment manufacturer’s (OEM) element numbers or logos , e.g. CASE® and John Deere® are for reference purposes only and for indicating merchandise use and compatibility. Our business and the listed substitution areas contained herein are not sponsored, accepted, or manufactured by the OEM.

ISO  made in China - replacement parts - bmw n47 drive belt China in Kayamkulam India  High Quality Best 520h Roller Chain with ce certificate top quality low price

ISO  made in China - replacement parts - bmw n47 drive belt China in Kayamkulam India  High Quality Best 520h Roller Chain with ce certificate top quality low price

ISO  made in China - replacement parts - bmw n47 drive belt China in Kayamkulam India  High Quality Best 520h Roller Chain with ce certificate top quality low price

ISO  made in China - replacement parts - bmw n47 drive belt China in Kayamkulam India  High Quality Best 520h Roller Chain with ce certificate top quality low price